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  • PBZn

PBZn

PBZn is a peak brightener (top brightener) specifically developed for alkaline non-cyanide zinc-nickel alloy plating baths. Its primary composition consists of heterocyclic salts, and it appears as a pale yellow liquid. In practical application, it effectively enhances both the brightness and leveling performance of the deposit in high-current-density areas, contributing to a uniform and high-quality alloy surface finish. The recommended make-up dosage is approximately 1.0 ml/L, with a replenishment consumption rate of roughly 0.6–1.0 L per 10 kAh, depending on the type of anode employed.

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Electroplating category

025-84823350

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  • Product Description
  • Physical properties
  • Product Advantages
  • Application
    • Commodity name: PBZn

    PBZn is a peak brightener (top brightener) specifically developed for alkaline non-cyanide zinc-nickel alloy plating baths. Its primary composition consists of heterocyclic salts, and it appears as a pale yellow liquid. In practical application, it effectively enhances both the brightness and leveling performance of the deposit in high-current-density areas, contributing to a uniform and high-quality alloy surface finish. The recommended make-up dosage is approximately 1.0 ml/L, with a replenishment consumption rate of roughly 0.6–1.0 L per 10 kAh, depending on the type of anode employed.

  • Appearance

    colorless-yellowish fluid

    Solid content

    38-40%

    pH-value(25℃)

    7.0-7.5

    Density

    1.1-1.2 g/mL

    Viscosity

    7 mPa∙s（25℃）

    Odour

    odourless

  • Product Advantages:

    Superior Brightness and Burn Prevention in High-Current-Density Areas: In synergy with the base brightener Zn87 and leveling agent Zn83, it effectively prevents "burning" in high-current-density regions while imparting a mirror-like brightness and exceptional leveling to the deposit.

    Low Decomposition Rate and Minimal Consumption: Compared to conventional alkaline zinc-nickel systems or competing products, the use of manganese alloy anodes results in significantly less accumulation of organic decomposition by-products under equivalent load conditions, thereby extending bath service life and reducing the frequency of activated carbon treatment.

    Stable Alloy Composition over a Wide Current Density Range: Within the complete formulation system, the nickel content remains consistently stable across a broad current density range, with little to no drift occurring upon the addition of the peak brightener.

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