Anti-Tarnishing Lacquer for Silver and Copper-based Alloys

Acces sibility Controls

Implementing Organization

National Metallurgical Laboratory (NML)

About

This one component acrylic resin lacquer is nontoxic (Lead and Cadmium free) when dry. The lacquer can be applied by spraying, brushing, or dipping and takes 10 minutes to dry. Post treatment like baking not required. The coating passes 500 hours of salt spray test (ASTM B 117) and 72 hours of flower of sulfur test (ASTM B 809). The product contains organic solvents/VOC. No liquid waste or gas emission during lacquer production.

Patents

IN295594

Outcome / Output

This one component acrylic resin lacquer is nontoxic (Lead and Cadmium free) when dry, The lacquer can be applied by spraying, brushing, or dipping and takes 10 minutes to dry. Post treatment like baking not required, The coating passes 500 hours of salt spray test (ASTM B 117) and 72 hours of flower of sulfur test (ASTM B 809),The product contains organic solvents/VOC. No liquid waste or gas emission during lacquer production.

Source

Source URL

technologies/anti-tarnishing-lacquer-silver-and-copper-based-alloys

Related Research

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Quick Information

Thrust Areas

Chemical Sciences

Focus Area

Metallurgy

Status

completed

Contact

director@nmlindia.org

Acces sibility Controls

Chemical Sciences