Powder coatings×川口化成品 - List of Manufacturers, Suppliers, Companies and Products

Powder Coating Troubleshooting: Bubbles

Introducing measures to address the adhesion of rust-preventive oils and silicone-based oils that cannot be completely removed even in the degreasing process!

We will introduce troubleshooting for the phenomenon of "hajiki," where areas on the coating appear to have a thinner film thickness or where patterns in patterned powder coatings become flattened. If dirt caused by conveyor chain oil or lubricants is the issue, it can be addressed by thoroughly cleaning the equipment. Additionally, there are measures for issues caused by the adhesion of rust-preventive oils or silicone-based oils that cannot be completely removed during the degreasing process. 【Causes and Measures】 ■ Due to dirt from conveyor chain oil or lubricants → Thoroughly clean the equipment ■ Due to the adhesion of rust-preventive oils or silicone-based oils that cannot be completely removed during the degreasing process → Reconsider the method of the pretreatment (degreasing) process ■ Due to the mixing of different types of powder coatings → Review the painting environment and cleaning procedures when using different types of powder coatings *For more details, please refer to the PDF document or feel free to contact us.

Company：川口化成品
Price：Other

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Powder Coating Troubleshooting: Drips

We will introduce measures to address the issue of excessive film thickness caused by the substrate temperature being too high before painting!

We will introduce troubleshooting for the phenomenon of "dripping," where powder coating adheres too much to the coated object and starts to drip. If the cause is excessive coating thickness during painting, it is possible to take measures by reconsidering the painting method (painting time, discharge amount, working method, etc.). Additionally, there are measures for cases where the temperature of the object to be coated is too high, resulting in excessive film thickness. [Causes and Measures (Excerpt)] ■ Due to excessive coating thickness during painting → Reconsider the painting method (painting time, discharge amount, working method, etc.) ■ Due to the temperature of the object to be coated being too high, resulting in excessive film thickness → Extend the cooling time between the water-cut drying oven and the painting booth → It is desirable for the object to be coated to be below 40°C *For more details, please refer to the PDF document or feel free to contact us.

Company：川口化成品
Price：Other

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Powder Coating Troubleshooting: Yuzu Skin

We also introduce measures taken due to the voltage of the electrostatic controller being too high!

We will introduce troubleshooting for the issue of poor leveling of the coating film (the surface of the coating film feels like it has waves of varying sizes), known as "yuzu skin." If the cause is that the rise in baking temperature of the object being coated is too slow, it is possible to take measures by measuring the heating conditions of the baking furnace and determining the appropriate temperature settings. Additionally, there are measures for cases where the paint has fallen due to physical factors such as wind before entering the baking and drying furnace. [Causes and Measures (Excerpt)] ■ The rise in baking temperature of the object being coated is too slow. → Measure the heating conditions (heating curve) of the baking furnace and determine the appropriate temperature settings. ■ The temperature of the object being coated before painting is too high, resulting in excessive film thickness. → Extend the cooling time between the water drainage drying furnace and the painting booth. ■ Insufficient film thickness during painting or excessive film thickness. → Reconsider the painting method (painting time, discharge amount, working method, etc.). *For more details, please refer to the PDF document or feel free to contact us.

Company：川口化成品
Price：Other

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Powder Coating Troubleshooting: Color Differences, Discoloration, Stains

Introduction of measures taken due to discoloration caused by gas during incomplete combustion in the drying furnace.

We will introduce troubleshooting for the phenomenon of "color differences, discoloration, and stains," which occurs when colors and patterns differ from the basic color samples or previous painted items. If the issue is caused by the adverse effects on the paint film due to the seepage of rust-proof oil that has entered the welded joint, it can be addressed by wiping off the rust-proof oil that has seeped from the heated joint during water drainage drying with thinner or similar substances. Additionally, there are measures for discoloration caused by gas during incomplete combustion in the baking drying oven. [Causes and Measures (Excerpt)] ■ Due to the adverse effects on the paint film from the seepage of rust-proof oil that has entered the welded joint → Wipe off the rust-proof oil that has seeped from the heated joint during water drainage drying with thinner or similar substances. ■ Discoloration occurred due to overbaking (burning too much) → Follow the recommended baking conditions for each type of powder coating. *For more details, please refer to the PDF document or feel free to contact us.

Company：川口化成品
Price：Other

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[EC Site Introduction] Powder Coating Market

Selling powder coatings from one case! A wide variety of powder coating colors can be searched for in stock on the web!

Our company operates an online marketplace for powder coatings where companies looking to buy and sell powder coatings can gather. You can search for a wide variety of powder coating colors in stock on the web, with sales starting from one case. We offer a range of products, including "polyester powder coatings." Please take this opportunity to make use of our services. 【Products We Handle (Partial)】 ■ Polyester Powder Coatings - 5Y7/1 Glossy 15kg R-5 - 5Y7/1 25-70B Semi-gloss 15kg R-9 - 2.5Y9/1 22-90B Semi-gloss 15kg R-10 *For more details, please refer to the related links or feel free to contact us.

Company：川口化成品
Price：Other

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Powder Coating Troubleshooting: Pinholes (Foaming)

We are introducing measures to address issues such as the residue of oils and other substances on the surface of coated items caused by poor degreasing!

This is a phenomenon where tiny holes appear on the surface of the paint film, resembling being poked with a needle, known as "pinholes (foaming)." We will introduce troubleshooting for this issue. If the cause is foaming from porous substrates, such as castings, zinc-plated materials, or aluminum die casts that have pinholes, it is possible to take measures by pre-baking the substrate or applying a solvent or powder primer before painting. Additionally, there are countermeasures for issues caused by the adhesion of foreign substances such as rust and dirt, or the residual oil on the substrate surface due to inadequate degreasing. [Causes and Countermeasures (Excerpt)] ■ Due to the adhesion of foreign substances such as rust and dirt → Thoroughly remove foreign substances ■ Due to air being trapped in the paint film → Check the temperature rise curve and slow down the temperature increase as much as possible ■ Due to residual oil on the substrate surface from inadequate degreasing → Strictly manage the concentration, temperature, spray pressure, and processing time of the degreasing agent *For more details, please refer to the PDF document or feel free to contact us.

Company：川口化成品
Price：Other

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Powder Coating Troubleshooting: Transparency (Sheen)

We are introducing measures to address issues such as the film thickness being too thin or insufficient hiding power of the paint itself.

We will introduce troubleshooting for the phenomenon of "sheerness" (suke), where the base material is visible due to insufficient film thickness, contrary to sagging. If the cause is the insufficient hiding power of the paint itself, it is possible to address this by improving the paint (enhancing hiding power). Additionally, in the case of reciprocating painting, there may be issues caused by settings that are not suitable for the shape of the object being painted and the line speed. [Causes and Countermeasures] ■ Film thickness is too thin (insufficient hiding) → Reconsider the painting method (painting time, discharge amount, work method, etc.) ■ Insufficient hiding power of the paint itself → Improve the paint (enhance hiding power) ■ In the case of reciprocating painting, settings are not suitable for the shape of the object being painted and the line speed → Adjust the conveyor speed to match the reciprocating speed *For more details, please refer to the PDF materials or feel free to contact us.

Company：川口化成品
Price：Other

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Powder Coating Troubleshooting: Decrease in Coating Performance

We also introduce measures related to not using powder coatings suitable for the intended purpose!

The powder coating film does not meet its original performance in terms of pencil hardness and chemical resistance. We will introduce troubleshooting for "decreased coating performance." If the cause is that the temperature during the curing process is too high or too low, it is possible to address this by adhering to the curing time and temperature recommended by the paint manufacturer. Additionally, there are measures to address the issue of not using the appropriate powder coating for the intended application. [Causes and Measures (Excerpt)] ■ Due to the temperature being too high or too low during the curing process → Adhere to the curing time and temperature recommended by the paint manufacturer ■ Due to issues in the pretreatment process → Conduct pretreatment properly *For more details, please refer to the PDF document or feel free to contact us.

Company：川口化成品
Price：Other

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Powder coatings×川口化成品 - List of Manufacturers, Suppliers, Companies and Products

Powder coatings Product List