SZN-90 Chemical Stripping Agent

1. Suitable for chemical Stripping to Cu, Ni plating deposits on Zinc Alloy parts,practically for pretreatment before direct plating

2. Excellent brightening skill to quick & clear

3. Direct clean & polish on Zinc Alloy parts with Mateys 90B

Specifications

	1. Stripping
	Material	Low Concentration		High Concentration
	SZN-90A	100ml/L		100ml/L
	Water	400ml/L		200ml/L
	68% HNO3	200ml/L		340ml/L
	95% H2SO4	300ml/L		360ml/L
	Temperature	70-80℃		70-80℃
	Time	1-3mins		1-3mins
	2. Filming & Polishing
	Material		Dosage
	SZN-90B		800ml/L
	Water		250g/L
	C8H14O3		200ml/L
	Temperature		20-40 ℃
	Time		0.5-2mins

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