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Discoloration prevention agent×Daiwa Fine Chemicals Co., Ltd. - List of Manufacturers, Suppliers, Companies and Products

Discoloration prevention agent Product List

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Water-soluble discoloration inhibitor for copper and copper alloys 'VERZONE TT-250A'

Water-soluble discoloration inhibitor for copper and copper alloys 'VERZONE TT-250A'

Even when used with circulating water, it has excellent discoloration prevention effects! It exhibits remarkable rust prevention effects even in a strongly alkaline environment.

The "VERZONE TT-250A" is a discoloration prevention agent for copper and non-ferrous metals. It contains benzotriazole derivatives as the discoloration prevention component. This product is liquidized using a special method for benzotriazole derivatives, eliminating the need for dusting during addition and the process of confirming dissolution, making it easier to handle. 【Features】 ■ Being in liquid form, there is no dusting during addition, and the process of confirming dissolution is unnecessary. ■ It exhibits significant rust prevention effects even in strongly alkaline environments. ■ Excellent discoloration prevention effects can be achieved even when used in circulating water. ■ It contains benzotriazole derivatives as the discoloration prevention component. *For more details, please refer to the PDF document or feel free to contact us.

  • Rust Inhibitor

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

[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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Silver Plating Discoloration Preventive Agent New Dain Silver S-1

Silver Plating Discoloration Preventive Agent New Dain Silver S-1

Protects silver-plated surfaces from discoloration due to sulfide, oxidation, and other factors.

■ It exhibits strong effects in preventing discoloration of various silver-plated products. ■ It is ideal for surface treatment of electronic components and decorative items. ■ It does not affect the contact resistance or solder wettability of metal surfaces. ■ It forms a water-repellent film without stains or stickiness after treatment. ■ It does not contain heavy metals like chromium or organic solvents, and is not subject to the Poisonous and Deleterious Substances Control Law, the Industrial Safety and Health Law, the Fire Service Law, or the PRTR Law. ■ It is equivalent to thiol treatment.

  • Chemicals

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Discoloration Preventive Agent for Zinc Plating - VERZONE DA-3

Discoloration Preventive Agent for Zinc Plating - VERZONE DA-3

Suppress discoloration of tin plating with the formation of a water-repellent film! It is an acidic, immersion-type tin plating discoloration prevention agent.

"VERZONE DA-3" is a discoloration prevention agent for tin plating that exhibits a powerful discoloration prevention effect. This treatment solution is acidic and can be used with a simple immersion treatment. In constant temperature and humidity tests (85°C/85% RH), there is no discoloration after 120 hours, and there is almost no change in solder wettability before and after the discoloration prevention treatment. 【Example of Treatment Process】 ■ Tin and tin alloy plating ■ Rinsing ■ Discoloration prevention ■ Rinsing ■ Drying *For more details, please refer to the PDF document or feel free to contact us.

  • Plating Equipment

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

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

[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

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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