JW-520 Alkaline Zincate Eco-Friendly Process
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Detailed description:
01
This product is formulated with carefully selected imported raw materials, is free of aldehydes, exhibits excellent stability, and features extremely low consumption. Its outstanding performance rivals that of comparable products both domestically and internationally.
02
The coating is uniform, full and fine, with excellent deep‑plating and leveling capabilities, making it suitable for a wide range of passivation processes.
03
Depending on the workpiece requirements, the coating can achieve a mirror-like finish.
Process formulation and operating conditions
| Barrel plating | Hang plating | |
| Zinc oxide | 10–15 g/L | 10–12 g/L |
| Sodium hydroxide | 120–150 g/L | 110~130 g/L |
JW-520A (Tank Cleaning Agent) |
6-10ml/L | 6-10 ml/L |
| JW-520B (Brightener) | 4-6ml/L | 4-6 ml/L |
| JW-520C (Positioning Agent) | 2-4ml/L | 2-4 ml/L |
| JW-520D (Purifier) | 1-4ml/L | 1-4 ml/L |
| Temperature | 5~40℃ | 5~40℃ |
| Electric current | 0.2~4 A/dm² | 0.5~6 A/dm |
Consumption of brightener for rack plating: 520A: 80–120 ml/kAh, 520B: 40–80 ml/kAh, 520C: 20–40 ml/kAh.
Consumption of barrel‑plating brightener: 520: 80–120 ml/kAh, 520B: 80–100 ml/kAh, 520C: 40–60 ml/kAh.
Recommended daily replenishment ratio: 520A:520B = 2–3:1.
Keywords:
JW-520 Alkaline Zincate Eco-Friendly Process
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