Black Top Coat 'TR-740'
Can be worked with a simple dipping process! A black topcoat that is highly safe and does not require exhaust measures.
"TR-740" is a water-based black topcoat treatment agent. By applying it to a trivalent chromium black conversion coating on zinc-based (including zinc alloy) plating, a deep black appearance can be achieved. In addition to normal corrosion resistance, high corrosion resistance is maintained even after heating. 【Features】 ■ Topcoat thickness of 1-2 μm, providing a glossy deep black appearance ■ High corrosion resistance even after heating ■ Overall friction coefficient of 0.2-0.25 (on zinc plating) ■ Can be easily applied through simple dipping treatment ■ High safety due to the absence of volatile solvents, eliminating the need for exhaust measures *For more details, please refer to the PDF document or feel free to contact us.
basic information
For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
For more details, please refer to the PDF document or feel free to contact us.
catalog（2）
Download All Catalogs
Recommended products
Distributors
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.