Products-Products-Wuhan Jinwu Surface Technology Co., Ltd.

Black (Black Pearl) Electroplating Additive

This process can produce a uniquely elegant electroplated finish on bright nickel or bright copper coatings, delivering distinctive decorative effects and finding widespread application in light‑industry products such as timepieces, lighting fixtures, and leather‑trim components.

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Light gun black electroplated “C” salt

Black gunmetal plating can be applied over bright nickel or bright copper layers to produce a distinctive, elegant finish with a unique decorative effect.

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Tin–Cobalt–Zinc Ternary Alloy Chrome‑Replacement Process: “Chrome‑Replacement‑90 Additive”

Conventional chrome plating suffers from low current efficiency, significant environmental pollution, and poor deep‑plating capability; in particular, small parts are difficult to barrel‑plate, resulting in extremely low production efficiency.

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JW-855 Acidic Degreaser

In the pickling tank, first add one-third of the volume in water, then slowly introduce a measured amount of sulfuric acid and hydrochloric acid. Once the pickling solution has cooled to approximately 20°C, add JW‑855 acidic degreaser, and finally top up with water to the specified volume before use.

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JW-856 Series Oil-Removal Powder

Our company’s 856 series degreasing powder has a pH of 10–12 and features rapid degreasing, high production efficiency, simple operation, ambient-temperature usability, energy savings, and strong specificity.

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JW-811 Trivalent Chromium Silver-White Passivation Agent

Does not contain hexavalent chromium or oxidizing agents. SGS-certified.

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JW-812B Trivalent Chromium Blue-White Passivation Agent

This product is formulated by blending multiple high-efficiency ionic surfactants, etchants, and other additives.

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JW-813 Trivalent Chromium Blue-White Passivation Agent

JW-813 trivalent chromium blue-white passivation agent is an environmentally friendly passivation product; the passivation solution contains no hexavalent chromium.

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JW-815 Trivalent Chromium Color Passivation Agent

W—815 trivalent chromium blue-white passivation agent is free of hexavalent chromium and oxidizing agents.

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JW-816 High-Corrosion-Resistant Trivalent Chromium Color Passivation Agent

JW-816 high-corrosion-resistant trivalent chromium color‑passivating agent is an environmentally friendly passivation product; the passivation solution contains no hexavalent chromium.

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JW-818 Trivalent Chromium Black Passivation Agent

This product is a single‑component, trivalent chromium black passivation agent suitable for potassium chloride–based acidic zinc plating. It is widely used in the automotive, electronics, and toy industries. The undiluted formulation contains no hexavalent chromium and complies with the IEC 62321 standard of the International Electrotechnical Commission.

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JW-819 Trivalent Chromium Black Passivation Agent

Excellent corrosion resistance; when used in conjunction with a sealant, it achieves a neutral salt spray test duration of over 96 hours.

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