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Copper tarnish inhibitor×Daiwa Fine Chemicals Co., Ltd. - List of Manufacturers, Suppliers, Companies and Products

Copper tarnish inhibitor Product List

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[New Product] Heat-Resistant Copper Discoloration Preventive Agent VERZONE HC-1

It suppresses the discoloration of heated copper and improves moisture resistance. It is a water-soluble, non-chrome, environmentally friendly product.

【Discoloration Prevention Performance】 ■ Suppresses discoloration when copper materials are heated (140–200°C). ■ Suppresses discoloration at high temperatures and high humidity (>70°C, >80%RH). 【Other Features】 ■ A water-soluble, non-chrome, environmentally friendly product that contains no inorganic components. ■ Does not adversely affect the contact resistance of copper surfaces. 【Examples of Use】 ■ Copper-plated products, copper foil, copper wire. ■ Rolled copper foil, electrolytic copper foil (for printed circuit boards, lithium-ion battery anodes, etc.). ■ Alternative to chrome treatment for copper foil. ■ Suppresses discoloration during heating in post-processes such as reflow and soldering. ■ Further enhances discoloration prevention effects during heating by post-treating chromate coatings.

  • Printed Circuit Board
  • Non-ferrous metals

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Oil-soluble silver/copper discoloration inhibitor "New Dine Silver Oil-RD"

By adding it to silver paste or silver processing oils, it suppresses silver sulfide formation! It is also effective for various metals such as steel and tin.

"New Dine Silver Oil-RD" is a product that has a strong discoloration prevention effect on metals such as copper (alloy) and silver. It can be added to lubricants, cutting oils, and solvents such as mineral oils and hydrocarbons. Even when added to oils containing corrosive extreme pressure agents, it exhibits remarkable rust prevention capabilities. 【Features】 - Effective against other metals such as steel, zinc, aluminum, nickel, and tin - The rust prevention film on the metal surface is thin, preventing stickiness and adhesion to other items - By adding it to silver paste, it suppresses silver sulfide formation *For more details, please refer to the PDF document or feel free to contact us.

  • Other consumables

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[New Product] Heat-Resistant Copper Discoloration Preventive Agent VERZONE HC-3

It suppresses the discoloration of heated copper. It is a water-soluble, non-chrome, environmentally friendly product.

【Discoloration Prevention Performance】 ■ It suppresses discoloration when copper materials are heated (160–220℃). 【Other Features】 ■ It is a water-soluble, non-chrome, environmentally friendly product that does not contain inorganic components. ■ It does not adversely affect the contact resistance of copper surfaces. 【Examples of Use】 ■ Copper-plated products, copper foil, copper wire ■ Rolled copper foil, electrolytic copper foil (for printed circuit boards, lithium-ion battery anodes, etc.) ■ Alternative to chrome treatment for copper foil ■ Suppresses discoloration during heating in post-processes such as reflow and soldering ■ Further post-treatment of chromate coatings enhances the discoloration prevention effect during heating.

  • Printed Circuit Board
  • Non-ferrous metals

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Non-chrome heat-resistant copper discoloration inhibitor VERZONE HC series

Environmentally friendly, heat-resistant water-soluble copper discoloration inhibitor.

【Discoloration Prevention Performance】 ■ Suppresses discoloration when copper materials are heated (140–200℃). ■ Suppresses discoloration at high temperatures and high humidity (>70℃, >80%RH). 【Other Features】 ■ A water-soluble, non-chrome product that contains no inorganic components, making it environmentally friendly. ■ Does not significantly adversely affect the contact resistance of copper surfaces. 【Examples of Use】 ■ Copper-plated products, copper foil, copper wire. ■ Rolled copper foil, electrolytic copper foil (for printed circuit boards, lithium-ion battery anodes, etc.). ■ Alternative to chromium treatment for copper foil. ■ Suppresses discoloration during heating in post-processes such as reflow and soldering.

  • Non-ferrous metals
  • Printed Circuit Board

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