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What do "substrate adjustment" and "undercoat treatment" mean as written in the specification document?

What do "substrate adjustment" and "undercoat treatment" mean as written in the specification document?

"Surface adjustment" and "substrate treatment" (substrate adjustment) are often used with similar meanings, but they refer to different tasks in precise terms.

"Surface preparation" is the process of transforming the "substrate," which is in its uncoated state, into a surface suitable for painting. "Undercoat treatment" is the process of transforming the "undercoat," which has already been painted or treated, into a surface suitable for painting. Both involve the work of changing the "surface of the object to be painted into a state suitable for painting," but the condition before the work is different. Additionally, surface preparation primarily involves polishing and degreasing, while undercoat treatment includes repairing deteriorated surfaces with primer painting and putty. However, in practice, both "surface preparation" and "undercoat treatment" are often listed in specifications without distinction! It may be better not to overthink it and to understand both as meaning "transforming into a surface suitable for painting." For more details on "methods of surface preparation and undercoat treatment," "the importance of surface preparation and undercoat treatment," and "standards for surface preparation and undercoat treatment," please refer to the related links below.

  • Rust Inhibitor
  • paint
  • Exterior coating materials

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For surface preparation blasting, leave it to the professionals in Hiroshima.

For surface preparation blasting, leave it to the professionals in Hiroshima.

Harada Ironworks is an expert in surface preparation and painting! As a specialized factory for surface preparation and painting, we provide the highest quality through thorough management.

The products painted at Harada Iron Works are often used in environments that "cannot withstand normal painting." In environments such as offshore, underwater, and on the water, simply applying paint over metal will cause the coating to peel off within a few years. Corrosion progresses from the areas where the paint has peeled, rendering the product unusable almost immediately. Additionally, in such locations, it is difficult to perform repair painting, so a "protective coating" that can last as long as possible is required. Harada Iron Works has been providing "coatings that can withstand harsh environments" for 80 years. With our complete blasting facilities and indoor painting equipment, there is no need to worry about "return rust" after blasting treatment. Moreover, painting on stainless steel, which is considered difficult, becomes possible through blasting processing! By applying paint, we can enhance the characteristics and performance of stainless steel, add beautiful colors, and create "more rust-resistant, beautiful stainless steel." 【Is painting on stainless steel possible? Impossible? About that method】 https://www.nc-net.or.jp/company/98405/product/detail/197530/

  • Rust Inhibitor
  • paint
  • Exterior coating materials

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What is SSPC? List of SSPC standards.

What is SSPC? List of SSPC standards.

SSPC is a non-profit organization and a professional association specializing in coatings that protect industrial and marine structures.

List of SSPC Standards 'SSPC-SP5 / NACE No.1' White metal blast cleaning 'SSPC-SP10 / NACE No.2' Near-white metal blast cleaning 'SSPC-SP14 / NACE No.8' Industrial blast cleaning 'SSPC-SP6 / NACE No.3' Commercial blast cleaning 'SSPC-SP7 / NACE No.4' Brush-off blast cleaning 'SSPC-SP16' Brush-off blast cleaning 'SSPC-SP11' Power tool cleaning to bare metal 'SSPC-SP15' Commercial grade power tool cleaning 'SSPC-SP3' Power tool cleaning 'SSPC-SP2' Hand tool cleaning 'SSPC-SP1' Solvent cleaning For more details, please refer to the related links.

  • Rust Inhibitor
  • paint
  • Exterior coating materials

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Stubborn rust! Persistent rust! Rust removal by Harada Ironworks.

Stubborn rust! Persistent rust! Rust removal by Harada Ironworks.

Leave the removal of stubborn and persistent rust to Harada Ironworks! We will perfectly eliminate any rust and finish with a clean metal surface.

"How to Remove Rust" 1. Use a rust remover It can dissolve and reduce mild rust. It allows you to remove rust without scratching the surface, and it's easy since you just apply it and wipe it off afterward. Since it is a chemical product, be sure to thoroughly check the usage instructions and disposal methods before use. 2. Use sandpaper or a wire brush for polishing Mild to moderate rust can be removed or reduced by polishing with paper or a brush. It takes time and effort, but it is the most cost-effective way to remove rust. Be careful not to apply too much pressure, as it may cause significant scratches on the surface. 3. Use power tools for polishing Mild to moderate rust can be removed or reduced by polishing with power tools. This method allows you to remove rust more quickly and easily than rust removers or sandpaper. However, using power tools carries a higher risk of injury or accidents, so be sure to wear appropriate protective gear. However, methods 1, 2, and 3 can be quite labor-intensive for removing extensive or severe rust, so they are not recommended. So, how can you remove extensive or severe rust?↓↓

  • Rust Inhibitor
  • paint
  • Exterior coating materials

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Improvement of painting quality through blast treatment.

Improvement of painting quality through blast treatment.

By performing blast treatment, a significant improvement in the quality of the coating can be expected.

Blast treatment is a type of surface treatment technology used to remove dirt and old paint from surfaces such as metal, concrete, and wood. Media: The media used in blast treatment includes sand, beads, glass beads, steel shot, steel grit, alumina, and carbon steel. These media are ejected from blast treatment equipment and collide with the surface to remove dirt and old paint. Pre-treatment for painting: Blast treatment is also used for surface preparation before painting. As a pre-treatment for painting, blast treatment improves the adhesion of paint by removing surface dirt and old paint, enhancing the durability and rust resistance of the painted surface. Additionally, by changing the surface shape, it can increase the adhesive surface area for the paint, thereby improving painting quality. Blast treatment is one of the surface treatment technologies and is used in many industrial fields. By selecting the appropriate media, pressure, injection direction, and time, it efficiently removes surface dirt and old paint, and is widely utilized for applications such as pre-treatment for painting, surface modification, and metal processing.

  • Rust Inhibitor
  • Special Construction Method
  • paint

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Mechanism of the blast effect

Mechanism of the blast effect

The effects include the removal of dirt and oxide films, improved adhesion, and enhancements in strength and durability, among others.

What is blasting processing? Blasting is a type of surface treatment that involves projecting abrasive materials at high speed to process the surface. This changes and improves the condition and properties of the surface. Structure of blasting processing There are two methods of blasting processing: "air type" and "mechanical type." The air type uses compressed air to project the abrasive materials, while the mechanical type utilizes a rotating impeller to project the materials using centrifugal force. Effects of blasting processing Blasting processing grinds the surface and removes impurities. Additionally, fine irregularities are formed, which enhance the adhesion of paints and anti-corrosion treatments. The finish of the painting also becomes more uniform. Blasting processing is effective for metal anti-corrosion treatment and improving appearance. Summary Blasting processing is an important method of surface treatment and is essential for the success of metal anti-corrosion and painting. The structure is simple, but its effects are significant.

  • Rust Inhibitor
  • Special Construction Method
  • paint

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Received Rust!? How to Remove Rust from Stainless Steel

Received Rust!? How to Remove Rust from Stainless Steel

Rust removal from light to heavy levels is possible with blasting! Rust transfer can be easily prevented with paint!

At Harada Ironworks, we are equipped with large blast facilities. We also keep polishing materials that can be used on stainless steel, allowing us to remove rust even when it has spread extensively and deeply. The surface after blasting has a subdued luster without shine, making it less prone to reflections, fingerprints, and scratches. Mild rust can be easily removed at home! For more details, please see the related links below. Moreover, rust transfer can be easily prevented by painting! We have extensive experience in both stainless steel blasting and painting, so please feel free to consult us. For more details, please see the related links below.

  • Rust Inhibitor
  • paint
  • Exterior coating materials

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[Illustration] The Effects of Blast Treatment on Painting

[Illustration] The Effects of Blast Treatment on Painting

By performing blast treatment, the adhesion of the paint is greatly improved, resulting in a beautiful appearance.

Blasting processing is a type of "substrate adjustment" that involves simultaneously spraying compressed air and abrasives to collide the material and the abrasives at high speed. The abrasives that collide at high speed scrape away the surface of the material, exposing it. The surface of untreated materials often has a lot of oxidation films (mill scale), rust, and impurities attached. If these impurities are not removed, the paint will quickly peel off. Careful substrate adjustment can prevent painting defects in advance. Blasting does not use chemicals and offers a wide variety of abrasives, allowing processing regardless of the material type, which is a significant advantage. Additionally, it is very effective not only for painting but also as a pre-treatment for plating, lining, and coating. The countless irregularities created by the impact of the abrasives increase the contact area and allow for the 'anchor effect' where the material penetrates into the gaps and hardens. This effect significantly increases adhesion, resulting in a more beautiful finish for the paint. Paint that is free of impurities and strongly adheres is said to have a rust prevention effect that lasts 3 to 4 times longer compared to regular paint. This can reduce the frequency of repainting, repairs, and maintenance, extending intervals and thereby saving resources and costs.

  • Rust Inhibitor
  • paint
  • Exterior coating materials

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About substrate preparation using ISO Sa2.5 blasting.

About substrate preparation using ISO Sa2.5 blasting.

Sa2.5 (Near White Metal Blast Cleaning) is generally considered to be equivalent to the SSPC SP-10 standard.

"ISO Sa2.5" refers to one of the standards for surface preparation established by ISO (an international non-governmental organization based in Geneva, Switzerland, aimed at creating internationally common standards). It requires the removal of visible contaminants (such as oil, dirt, rust, and oxides) from the surface, allowing only minor stains in the form of spots or streaks. "The Benefits of Using ISO Sa2.5" ISO Sa2.5 is the second highest cleanliness standard in surface preparation. The top standard, ISO Sa3, requires the removal of almost 100% of surface contaminants, which poses issues of cost and time. ISO Sa2.5 allows for up to 5% of minor contamination, reducing costs while still ensuring sufficient cleanliness, making it a widely used standard. Surfaces prepared to Sa2.5 can maximize the performance of coatings, prevent early delamination of the paint film, and extend the product's lifespan. This specification is often chosen for harsh environments, such as coastal areas with high corrosion.

  • Rust Inhibitor
  • paint
  • Exterior coating materials

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