Introducing our "Chemical Treatment Agent for Zinc Plating Top Trinor Process" and "Black Dyeing Agent for Aluminum Alloys"!
The "Triner TR-173S1" is a chemical treatment agent for the triner process used on zinc-plated surfaces, which does not contain hexavalent chromium and can be used in zincate immersion baths. It features high corrosion resistance and a clean, uniform blue appearance. It has a wide management range, allowing the blue appearance to be maintained. It is a one-component treatment solution that makes management easy. The "Altynt AT-4500" is a black dye for aluminum and aluminum alloys that forms a black coating through immersion treatment. It can color various alloys and can also be used for coloring aluminum die castings. It does not require special equipment or devices, and it can treat items with complex shapes. [Image Descriptions] ■1st Image (TR-173S1) - Appearance of a surface treatment applied to a bolt that has been zinc-plated by our company on iron. ■2nd Image (AT-4500) - An aluminum extrusion treated with "AT-4500." - It is also possible to create a logo by masking. ■3rd Image (AT-4500) - An aluminum foil treated with "AT-4500." - It is possible to achieve a clean black appearance without melting the surface, even on thin sheets. *For more details, please download the PDF or feel free to contact us.
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【Usage Instructions】 <Triner TR-173S1> (1) Processing Steps Zinc plating → Water → Nitric acid immersion → Water → TR-173S1 → Water → Drying <Altynt AT-4500> Concentration: Altynt AT-4500A 25–100ml/L (Standard: 50ml/L) Concentration: Altynt AT-4500B 25–100ml/L (Standard: 50ml/L) Temperature: 45–55℃ (Standard: 50℃) pH: 9.5–10.5 (Standard: 10.3) Time: 1–5 minutes (Standard: 2 minutes) Processing tank: PE, PP, stainless steel, or lined tanks of these materials *For more details, please download the PDF or feel free to contact us.
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Nihon Surface Chemistry, with a history of over 50 years, has continued to earn the trust of many customers as a leading company in metal surface treatment, based on six key technologies: "cleaning," "polishing," "rust prevention," "coloring," "stripping," and "water treatment." In an era where balancing industry and environmental protection is essential, we will continue to contribute to society with cutting-edge technology. For anything related to metal surface treatment, please contact Nihon Surface Chemistry.



