BLYGOLD JAPAN List of Products and Services

The air conditioning systems of facilities, including office buildings around the world, play a very important role in ensuring the comfort of the people who work and use them. However, due to the increasing impact of outdoor air pollution, sea breezes, industrial exhaust gases, and other factors, the deterioration of outdoor units is progressing, leading to various problems such as a reduction in cooling effectiveness and an increase in energy consumption. With the "Polyual construction technology" provided by BLYGOLD, it is possible to prevent the deterioration of outdoor units. We have actual construction achievements in facilities around the world. [Adoption Examples] - Airports - Sports stadiums - Supermarkets - Data centers - Passenger ships - Hotels - Inspection transport railways - Military facilities, etc. Please feel free to download and view various achievement introduction materials.

• Anti-rot, anti-termite, anti-mold material

The air conditioning systems of facilities, including office buildings around the world, play a very important role in ensuring that the people working there and those using the facilities can be comfortable. However, due to the increasing external air pollution, sea breezes, industrial exhaust gases, and other factors, the deterioration of outdoor units is progressing, leading to various problems such as a halving of cooling effectiveness and an increase in energy consumption. With the "Polyual Construction Technology" provided by BLYGOLD, it is possible to prevent the deterioration of outdoor units. In fact, we have a proven track record of installations in facilities around the world. [Case Studies] - Office Buildings - Medical Facilities - Commercial Facilities - Museums - Power Generation Equipment - Palm Island, etc. Please feel free to download and view various achievement introduction materials.

• Anti-rot, anti-termite, anti-mold material

"Polyual" is a corrosion prevention coating for aluminum fins patented by Blygold. By applying this product, a coating film is formed on the surface of the aluminum fins, helping to prevent deterioration. We have answered questions regarding this product, and here are some examples. 【Q&A Examples (Excerpt)】 ■ Can it be applied to household or small air conditioners? ■ Where can I buy Polyual? ■ Can it be applied to new units as well? ■ Will it increase electricity consumption? ■ Can the air conditioner be used during application? And more. *For more details, please refer to the external link or feel free to contact us.

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"Polyual" is a corrosion prevention coating for aluminum fins patented by Blygold. In radiators used as cooling devices for diesel engines and other applications, as well as in industrial cooling systems and heat exchangers, pre-coated aluminum is commonly used. However, using pre-coated fins with a typical lifespan of about 5 years in equipment designed for over 20 years in salt-damaged areas poses significant risks. By applying this product, a coating film is formed on the surface of the aluminum fins, helping to prevent deterioration. 【Features】 - Suppresses the growth of bacteria and mold on aluminum fins in heat exchangers - Suitable for heat exchangers that cannot be protected even with cationic coatings - Protects outdoor units in salt-damaged areas where corrosion occurs even with heavy salt damage specifications - Provides semi-permanent protection for fins through touch-up repairs - Maintains high thermal conductivity, allowing for thick coating films and sustained heat exchange performance, among others *For more details, please refer to the PDF document or feel free to contact us.

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"Polyual" is a corrosion prevention coating for aluminum fins patented by Blygold. It is known that in work environments such as pickle manufacturing, seafood processing, cyanide fumigation warehouses, fermentation equipment for beer, sauce production, mushroom cultivation, photo development equipment, and hair salon permanents, the deterioration of indoor units is severe. Regular and careful maintenance of air conditioning indoor units primarily involves cleaning, and no preventive measures against salt or corrosive gases are taken. In such work environments, the generation of gases that corrode aluminum often leads to the resignation of users to replace fins every three years, with many opting for expensive stainless steel or copper fins. By applying our product, a coating film is formed on the surface of the aluminum fins, helping to prevent deterioration. [Features] - Suppresses the growth of bacteria and mold on heat exchanger aluminum fins - Addresses heat exchangers that cannot be protected even with cationic coatings - Protects outdoor units in salt-damaged areas where salt damage occurs even with heavy salt damage specifications - Repairs through touch-up, providing semi-permanent protection for fins - Maintains high thermal conductivity, allowing for thick coating films and heat exchange performance, among others *For more details, please refer to the PDF document or feel free to contact us.

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"Polyual" is a corrosion prevention coating for aluminum fins patented by Blygold. Deterioration of outdoor units caused by gases containing sulfur, such as sulfur dioxide, can lead to refrigerant leakage and, in extreme cases, can render the outdoor unit unusable within about two years, making it one of the most challenging issues for air conditioning systems. By applying this product, a coating film is formed on the surface of the aluminum fins, helping to prevent deterioration. [Features] ■ Suppresses the growth of bacteria and mold on aluminum fins of heat exchangers ■ Protects heat exchangers that cannot be safeguarded even with cationic coatings ■ Protects outdoor units in salt-damaged areas where salt damage occurs even with heavy salt damage specifications ■ Provides semi-permanent protection for fins through touch-up repairs ■ Maintains high thermal conductivity, allowing for thick coating films and sustained heat exchange performance, among others *For more details, please refer to the PDF document or feel free to contact us.

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"Polyual" is a corrosion prevention coating for aluminum fins patented by Blygold. In the management of air conditioning in hotels and inns, the stability of operation is the most important factor. However, many cases are located near the sea or hot springs, leading to significant differences in the rate of deterioration after about three years. This difference results in outdoor units that need to be replaced after about seven years and those that are still close to new, causing major issues in equipment management. By applying this product, a coating film is formed on the surface of the aluminum fins, helping to prevent deterioration of the air conditioning system. [Features] ■ Suppresses the growth of bacteria and mold on aluminum fins of heat exchangers ■ Addresses heat exchangers that cannot be protected even with cationic coatings ■ Protects outdoor units in salt-affected areas where salt damage occurs even with salt-resistant specifications ■ Provides semi-permanent protection for fins through touch-up repairs ■ Maintains high thermal conductivity, allowing for thick coating films and sustained heat exchange performance, among others. *For more details, please refer to the PDF document or feel free to contact us.

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"Polyual" is a corrosion prevention coating for aluminum fins patented by Blygold. Compared to standard air conditioning units that operate for 8 hours a day, those that run for 24 hours a day—regardless of being in a salt damage area—will unfortunately experience deterioration within about 5 years, which is a natural outcome. On the other hand, unexpected air conditioning failures due to aging deterioration are a significant issue in server centers, where stable operation is of utmost importance. By applying this product, a coating film is formed on the surface of the aluminum fins, helping to prevent deterioration of the air conditioning systems in server centers. [Features] ■ Suppresses the growth of bacteria and mold on aluminum fins of heat exchangers ■ Addresses heat exchangers that cannot be protected even with cationic coatings ■ Protects outdoor units in salt damage areas where corrosion occurs even with heavy salt damage specifications ■ Provides semi-permanent protection for fins through touch-up repairs ■ Maintains high thermal conductivity, allowing for thick coating films and heat exchange performance, etc. *For more details, please refer to the PDF document or feel free to contact us.

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"Polyual" is a corrosion prevention coating for aluminum fins patented by Blygold. In refrigerated warehouses, which are often located near the sea, the use of water-cooled outdoor units is common. However, there is an increasing trend to use dry outdoor units, which are cheaper and have lower running costs. The main drawback of dry units is salt damage. By applying this product, a coating film is formed on the surface of the aluminum fins. This supports the operation of dry outdoor units, allowing for low-cost operation without the hassle of water management or maintenance, as well as fine temperature control. 【Features】 - Suppresses the growth of bacteria and mold on aluminum fins of heat exchangers - Compatible with heat exchangers that cannot be protected even with cationic coatings - Protects outdoor units in salt damage areas where salt damage occurs even with heavy-duty salt damage specifications - Provides semi-permanent protection for fins through touch-up repairs - Maintains high thermal conductivity, enabling thick coating films and heat exchange performance, among others *For more details, please refer to the PDF document or feel free to contact us.

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"Polyual" is a corrosion prevention coating for aluminum fins patented by Blygold. In the management of air conditioning in nursing homes, the stability of operation is the most important factor. However, many cases are located near the sea, and after about three years, there can be a significant difference in the rate of deterioration. This difference leads to a situation where, after about seven years, some outdoor units may need to be replaced while others are still close to new, causing major issues in equipment management. By applying this product, a coating film is formed on the surface of the aluminum fins, helping to prevent deterioration of the air conditioning system. [Features] - Suppresses the growth of bacteria and mold on aluminum fins of heat exchangers - Addresses heat exchangers that cannot be protected even with cationic coatings - Protects outdoor units in salt-damaged areas where salt damage occurs even with heavy salt damage specifications - Provides semi-permanent protection for fins through touch-up repairs - Maintains high thermal conductivity, allowing for thick coating films and the preservation of heat exchange performance, among others *For more details, please refer to the PDF document or feel free to contact us.

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"Polyual" is a patented aluminum fin deterioration prevention coating owned by Blygold. In hospital air conditioning management, the stability of operation is the most important factor. However, differences in operating time can lead to significant differences in deterioration rates after about three years. This difference becomes apparent after around seven years, resulting in a distinction between outdoor units that are nearing replacement and those that are still close to new, causing major issues in equipment management. By applying this product, a coating film is formed on the surface of the aluminum fins, helping to prevent deterioration of the air conditioning system. 【Features】 ■ Suppresses the growth of bacteria and mold on aluminum fins of heat exchangers ■ Addresses heat exchangers that cannot be protected even with cationic coatings ■ Protects outdoor units in salt damage areas where salt damage occurs even with heavy salt damage specifications ■ Provides semi-permanent protection for fins through touch-up repairs ■ Maintains high thermal conductivity, allowing for thick coating films and preservation of heat exchange performance, etc. *For more details, please refer to the PDF materials or feel free to contact us.

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"Polyual" is a corrosion prevention coating for aluminum fins patented by Blygold. Under the revised Energy Conservation Act of 2010, building management operations are increasingly required to reduce energy consumption, making stable air conditioning and energy-saving operations more important. By applying this product, a coating film is formed on the surface of the aluminum fins, helping to prevent deterioration of the air conditioning system. 【Features】 - Suppresses the growth of bacteria and mold on aluminum fins of heat exchangers - Compatible with heat exchangers that cannot be protected by cationic coatings - Protects outdoor units in salt-affected areas where salt damage occurs even with heavy salt damage specifications - Provides semi-permanent protection for fins through touch-up repairs - Maintains thermal conductivity and heat exchange performance with a thick coating film, among others *For more details, please refer to the PDF document or feel free to contact us.

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This document is issued by Blygold Japan. It contains information about the construction technology "Blygold PoluAl XT." You can view details such as the types of coatings, the effects on temperature and refrigerant pressure, and chemical resistance. 【Contents (excerpt)】 ■ Types of coatings ■ Colors ■ Pre-treatment ■ Operating temperature ■ Target metals *For more details, please refer to the PDF document or feel free to contact us.

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We use cationic electrodeposition for rust prevention in unit coolers, but for those who have been replacing them every few years, we recommend the aluminum fin deterioration prevention paint "Polyual." It strongly protects refrigeration and air conditioning equipment from the atmosphere generated by salt, acid, hypochlorite, sulfur, ammonia, etc. 【Features】 ■ Protects heat exchangers from salt, acid, hypochlorite, sulfur, etc. ■ Flexibility to accommodate the expansion, contraction, and vibration of aluminum fins ■ Semi-permanent protection of fins through touch-up repairs ■ Protects the contact points between copper and aluminum, preventing electrocorrosion ■ Flexibility that prevents cracks and breaks due to physical damage ■ Salt damage countermeasures adopted at a power plant in Ishigaki Island *For more details, please refer to the PDF document or feel free to contact us.

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Unit coolers (refrigeration units) tend to deteriorate quite rapidly when there are degrading factors such as salt or acids present in the air, as they circulate large volumes of air within refrigerated warehouses and low-temperature workspaces. The aluminum fin deterioration prevention coating "Polyual" provides robust protection even in such environments, promising energy savings and longevity of the equipment with minimal maintenance. Additionally, while continuous operation of unit coolers is expected, they are not off-the-shelf products, so the business impact of a breakdown can be significant, and replacement can take time. In environments where it is particularly important to avoid such risks, we recommend using Polyual coating to ensure stable operation. 【Features of Polyual】 ■ Provides semi-permanent protection ■ Maintains and restores the initial performance of fins ■ Effectively protects the air conditioning unit's function from salt damage and polluted gases ■ Protects thoroughly from the inside of the fins to the ends ■ Shuts out the intrusion of salt damage and pollution *For more details, please refer to the PDF materials or feel free to contact us.

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Outdoor units in coastal and island areas are constantly exposed to sea breezes. Depending on their orientation and placement, we recommend measures for sites that have previously needed early replacement due to salt damage. The aluminum fin deterioration prevention coating "Polyual" robustly protects the fins, which are the main components of heat exchange, from strong salt damage that cannot be prevented even with heavy salt damage specifications. It can also be applied to replacement fins. 【Brigold's Solutions】 - A protective agent specifically for aluminum fins that reliably protects the fins. - High thermal conductivity that maintains the initial performance of aluminum fins. - Coating is possible for outdoor units currently in use. - Repairs through touch-up can protect the fins semi-permanently. *For more details, please refer to the PDF document or feel free to contact us.

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In Okinawa, a region affected by severe salt damage, neither salt-resistant nor heavy salt-resistant specifications are used. Instead, a special coating known as "Okinawa coating" is employed to protect aluminum fins. However, the thin salt-resistant and heavy salt-resistant specifications, which are only a few microns thick, deteriorate and peel off almost entirely within a year under direct sunlight. The aluminum fin deterioration prevention paint "Polyual" is 20 microns thick, similar to Okinawa coating, making it less susceptible to UV damage and providing long-lasting durability. **Brighgold's Solutions** - World-leading technology used in 50 countries for 30 years - A protective agent specifically for aluminum fins that reliably protects the fins - High thermal conductivity maintains and restores the performance of aluminum fins - Outdoor units in use can also be coated - Touch-up repairs provide semi-permanent protection for the fins *For more details, please refer to the PDF document or feel free to contact us.*

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In kitchens, food processing plants, and seafood processing warehouses, indoor units are also affected by salt damage. The aluminum fin deterioration prevention coating "Polyual" is effective for salt damage countermeasures for indoor units. Additionally, compared to general cationic electrodeposition, it maintains power consumption, has high flexibility and followability, and can be repaired through touch-up. 【Brighgold's Solutions】 ■ A protective agent specifically for aluminum fins that reliably protects the fins ■ High thermal conductivity that maintains the initial performance of aluminum fins ■ Outdoor units in use can also be painted ■ Touch-up repairs provide semi-permanent protection for the fins *For more details, please refer to the PDF materials or feel free to contact us.

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If you continue to use fins that have deteriorated due to salt damage, it can lead to unexpected increases in electricity consumption and sudden high-pressure cuts, resulting in operational losses. Issues with air conditioning and refrigeration equipment can significantly impact management. Microchannel heat exchangers have very fine piping through which the refrigerant passes, making it difficult to detect leaks when they occur, as small amounts of refrigerant leak slowly. By the time you notice it, there may already be an increase in electricity consumption and further operational losses. Therefore, we propose our aluminum fin deterioration prevention coating, "Polyual." 【Brighgold's Solution】 - World-leading technology used in 50 countries for 30 years - A protective agent specifically for aluminum fins, ensuring reliable protection - High thermal conductivity that maintains and restores the performance of aluminum fins - Repairs through touch-up, providing semi-permanent protection for the fins *For more details, please refer to the PDF materials or feel free to contact us.

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Brigold has established a coating method for MCHX-type heat exchangers through testing in the Netherlands. In Europe, there have been many cases of deterioration and unusability of MCHX over the years, so polyal coating for MCHX has now become a standard technology, and major manufacturers are recommending polyal coating. Additionally, the casing that is installed on standard products must be removed for painting, which significantly increases the construction time compared to heat exchangers without casing. 【Features of Polyal】 ■ Provides semi-permanent protection ■ Maintains and restores the initial performance of the fins ■ Effectively protects the air conditioning unit from salt damage and contaminated gases ■ Protects thoroughly from the inside of the fins to the ends ■ Shuts out the intrusion of salt damage and contamination *For more details, please refer to the PDF materials or feel free to contact us.

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Stainless steel fins deteriorate under severe salt damage conditions, and their low thermal conductivity is well known. Copper fins excel in thermal conductivity due to their close contact with copper tubes, but they are expensive, and the salt resistance of copper is not significantly different from that of aluminum, resulting in a deterioration rate that is said to be about half that of standard aluminum fins (deterioration between dissimilar metals can be avoided). Under conditions where standard aluminum fins deteriorate in three years, copper fins would deteriorate in about five to six years. Therefore, we propose our aluminum fin deterioration prevention coating, "Polyual." 【Features of Polyual】 ■ Provides semi-permanent protection ■ Maintains and restores the initial performance of fins ■ Effectively protects the air conditioning unit's function from salt damage and polluted gases ■ Thoroughly envelops and protects the fins from the inside to the ends ■ Shuts out the intrusion of salt damage and pollution *For more details, please refer to the PDF document or feel free to contact us.

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Cationic electrodeposition is an excellent rust prevention technology; however, in the case of heat exchangers, a film thickness of 20 microns, which is expected to provide sufficient rust prevention effect, can affect thermal efficiency, leading to an increase in electrical material quantity and potentially requiring larger equipment. Therefore, we propose our aluminum fin deterioration prevention coating "Polyual." 【Comparison】 <Cationic Electrodeposition / Polyual> ■ Application: At manufacturing / At manufacturing and installation site - Since thinner is used for Polyual application, if installed indoors, it will need to be painted outdoors before installation. ■ Film thickness: 8–30 microns / 20–25 microns ■ Thermal conductivity: Low / High - Polyual has thermal conductivity equivalent to aluminum. ■ Repairability: Not possible / Possible *For more details, please refer to the PDF document or feel free to contact us.

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Salt-resistant and heavy salt-resistant outdoor units use aluminum fins coated with a polymer known as pre-coat, which protects the aluminum from salt damage and other hazards. However, while the thickness of the Polyual membrane is 20 to 25 micrometers, the pre-coat is only about 2 to 3 micrometers thick. After 3 to 5 years of exposure to salt damage, rust can occur, and the pre-coat membrane may disappear due to ultraviolet rays. Additionally, since the pre-coat involves processing aluminum sheets coated with polymer, the cut surfaces, internal cutouts, and contact points with copper pipes are exposed to the outside air, becoming entry points for salt damage and corrosion. The aluminum fin deterioration prevention coating "Polyual" addresses these issues. [Overview] The Polyual coating membrane is applied after the heat exchanger assembly, ensuring thorough protection of both the contact points with the copper pipes at the fin tips and the internal cutout areas. In salt-resistant pre-coats, these areas are exposed to outside air. *For more details, please refer to the PDF document or feel free to contact us.

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Environmental factors that significantly affect the performance and lifespan of heat exchangers in outdoor units of air conditioning systems, in addition to salt damage and volcanic gases from hot springs, include acid rain, exhaust gases, and various air impurities from agricultural and industrial production. On the other hand, it is said that many malfunctions in air conditioning equipment originate from the heat exchanger and aluminum coils, and failures in components such as compressors are often caused by performance degradation of the heat exchanger or overload due to clogging. Maintaining the heat exchanger of the outdoor unit, which processes an amount of air equivalent to a full Tokyo Dome in a week, is directly linked to the lifespan of the air conditioning unit, especially when compared to the heat exchange device of the indoor unit that is protected by a filter. Therefore, we propose our aluminum fin deterioration prevention coating, "Polyual." 【Features of Polyual】 ■ Provides semi-permanent protection ■ Maintains and restores the initial performance of fins ■ Effectively protects the functionality of air conditioning units from salt damage and contaminated gases ■ Thoroughly envelops and protects fins from the inside to the edges ■ Shuts out the intrusion of salt damage and contamination *For more details, please refer to the PDF document or feel free to contact us.

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"Polyual" is a corrosion prevention coating for aluminum fins patented by Blygold. Developed in the Netherlands 30 years ago, it is widely used in air conditioning equipment exposed to salt damage in coastal cities in Europe, the United States, Hawaii, Hong Kong, and on ships. It protects air conditioners by forming a coating film on the surface of the aluminum fins. After thorough cleaning, this special coating product is applied to the aluminum fins to prevent deterioration. 【Features】 ■ Provides semi-permanent protection ■ Maintains and restores the initial performance of the fins ■ Effectively protects the air conditioning unit from salt damage and polluted gases ■ Protects thoroughly from the inside of the fins to the edges ■ Shuts out the intrusion of salt damage and pollution *For more details, please refer to the PDF document or feel free to contact us.

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Reliable technology to protect air conditioner aluminum fins from salt damage Here are some examples of the application of "Polyual." Due to frequent disinfection with sodium hypochlorite, the aluminum fins deteriorated, and it was applied to the indoor unit of a food factory. 【Overview】 ■ Application target: Indoor unit of a food factory ・ Application example: Aluminum fins deteriorated due to frequent disinfection with sodium hypochlorite ・ Remarks: Deterioration prevention through coating *For more details, please refer to the PDF document or feel free to contact us.

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Reliable technology to protect air conditioner aluminum fins from salt damage Here are some examples of the installation of "Polyual." To conduct comparative tests at the facilities of a coastal hotel in Okinawa, it was applied to an eco-cute outdoor unit. 【Overview】 ■ Installation target: Eco-cute outdoor unit ・ Installation example: Facilities of a coastal hotel in Okinawa ・ Remarks: Comparative test with Okinawa coating *For more details, please refer to the PDF document or feel free to contact us.

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Reliable technology to protect air conditioner aluminum fins from salt damage. Here are some examples of 'Polyual' installations. A cationic electrodeposition unit cooler needed to be replaced after three years, so it was installed in a pickling factory cooler. 【Overview】 ■ Installation target: Pickling factory cooler ・ Installation example: Cationic electrodeposition unit cooler needed replacement after three years ・ Notes: Coated in addition to cationic electrodeposition *For more details, please refer to the PDF document or feel free to contact us.

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Reliable technology to protect air conditioner aluminum fins from salt damage. Here are some examples of the application of "Polyual." For rust prevention measures on Okinawa Electric Power's large air-cooled radiator, it was applied to the power plant radiator. 【Overview】 ■ Application target: Power plant radiator ・ Application example: Rust prevention measures for Okinawa Electric Power's large air-cooled radiator ・ Remarks: No damage observed in the second year due to coating *For more details, please refer to the PDF document or feel free to contact us.

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We often receive inquiries about whether it is possible to apply a topcoat over cationic electrodeposition paint. The answer is yes, it is possible and there are proven results. However, when a topcoat is applied over cationic paint, the adhesion is dominated by the cationic layer. If the brittle cationic coating cracks or peels, the topcoat may also tear, and in such cases, it will not be covered by warranty. Using a thin pre-coat film with salt damage resistance reduces the risk, but the adhesion will still be weaker compared to direct painting on aluminum or copper. Considering the costs, we recommend painting directly on aluminum or copper. *For more details, please refer to the PDF materials or feel free to contact us.*

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About half of the heat exchangers we are currently painting are for the purpose of preventing refrigerant leakage. In an atmosphere containing acids, sulfur, and ammonia, corrosion occurs in the copper pipes of the vent section, leading to pinholes and resulting in refrigerant and Freon leakage. Polyurethane prevents the occurrence of corrosion, thereby preventing Freon leakage. Although measures against Freon leakage are being tightened, we recommend polyurethane for preventing leakage in heat exchangers, which are one of the components that are difficult to replace. Please note that copper pipes that have already begun to corrode may experience leakage during the painting process; therefore, as a general rule, we do not paint anything other than new parts. *For more details, please refer to the PDF materials or feel free to contact us.

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"Polyual" is a corrosion-resistant coating for heat exchangers patented by Blygold in the Netherlands. It was invented and improved 30 years ago in the Netherlands. It is widely used in air conditioning, refrigeration, and power generation equipment exposed to salt damage in coastal cities and islands in 80 countries, including Europe, the Middle East, Hawaii, and Hong Kong. It protects aluminum fins and copper pipes from contamination by the coating, preventing deterioration and refrigerant leakage. On-site painting is also available! When salt damage progresses on outdoor units of chillers near the sea, over 100 indoor units in hotels and accommodations may stop functioning… 【Features】 - Protects outdoor units in areas with severe salt damage, such as Okinawa, which deteriorate even with heavy salt damage specifications. - Protects indoor heat exchangers in environments that cannot be safeguarded by cationic coatings, such as food factories. - Repairs through touch-up can protect fins semi-permanently. - High thermal conductivity contributes to energy savings and maintenance of performance. 【Track Record】 Power plant radiators (Okinawa) / Air conditioning refrigerator outdoor units (Okinawa) / Cut vegetables (hypochlorite) / Egg processing (sulfur) / Bread making, rice cooking (organic acids, etc.) / Pickles, side dishes (salt) / Papermaking (sulfur) / Metal processing (acid, oil) *For more details, please contact us or view the PDF data available for download.

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