AR-2 High Hardness Chromium Plating Additive For Hydraulic System Components
Applicable to decorative chromium and hard chromium plating, with built-in impurity removal function. It supports ultra-low chromic anhydride concentration, superior throwing power, minimal plating defects and easy operation; these unique advantages are unmatched by domestic counterparts.
Features excellent covering power, high current efficiency, high coating hardness, low chromic acid drag-out and vapor loss, reduced overall plating cost and fast deposition rate. It is an upgraded version of AR-1 chromium additive.
| Item | Working Range |
|---|---|
| Chromic Anhydride | 150–180 g/L |
| Sulfuric Acid | 0.45–0.8 g/L |
| Trivalent Chromium | 0.3–3 g/L |
| AR-2 Chromium Additive | 1.5–2.5 mL/L |
| Operating Temperature | 30–40 ℃ |
| Cathode Current Density | 10–20 A/dm² |
| Anode Material | Lead-tin alloy (10% tin content) |
| Anode-to-Cathode Area Ratio | 4–5 : 1 |
Mechanical wear-resistant parts, hydraulic system components, automotive functional parts, mold accessories, valve and pump parts, aerospace precision components, hardware tool parts, industrial shaft parts, corrosion-resistant mechanical parts, high-hardness metal fittings
AR-2 Chromium Plating Additive is a high-efficiency formula for industrial chromium plating. It forms uniform, high-hardness, wear-resistant and anti-corrosion chromium coatings. It is widely used for precision mechanical parts, auto parts and industrial hardware, improving surface durability and dimensional stability for industrial heavy-duty and precision scenarios.
Q1: What are the core features of AR-2 Chromium Plating Additive?
A1: It ensures uniform chromium deposition with low porosity, delivering high hardness, excellent wear resistance and anti-corrosion performance. It stabilizes plating solution performance, reduces defects, and improves workpiece surface finish and service life for mass production.
Q2: What workpieces is AR-2 additive suitable for?
A2: It fits mass plating of carbon steel and alloy steel workpieces, including mechanical shafts, molds, auto functional parts, hydraulic valves and hardware tools. It adapts to industrial precision and wear-resistant plating production requirements.
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