日韩欧美三级片在线,久久99精品国产.久久久久,2020国产成人综合网,99国产精品久久久久久久久久久,中国免费高清在线观看_久久国产精品免费无码二区_日本一级黄片视频_日国产av自拍_妈妈用嘴巴帮我消火

Aluminum Brass(memory metal) chemical Polishing Agent,Memory Metal Polishing Agent,Memory Metal Brightening Agent

Aluminum Brass(memory metal) chemical Polishing Agent,Memory Metal Polishing Agent,Memory Metal Brightening Agent

First, the product code: Q / YS.132 (Yi Shun brand)

Second, the scope of products:

This product is only applicable to the chemical polishing of aluminum brass (memory metal). The polished aluminum brass has the bright mirror effect. The operation is simple and convenient, just soak it.

Third, product index:

① acidic transparent liquid, light yellow

② specific gravity> 1.0

③ product liquid use, non-add water

④ no heavy metals, no chromium

⑤ product room temperature (20 ℃ -30 ℃) use.

Fourth, the use of methods:

① pre-treatment: degreasing and pickling, remove surface dirt.

② aluminum brass polishing: the use of temperature 20-30 ℃, immersed in the polishing solution for 10-20 seconds, remove the water washed.

③ thoroughly cleaned aluminum brass pieces, immersed in copper-free passivation agent, soak for 5 minutes (30-60 ℃) for chromium-free environmental passivation.

④ after passivation of the workpiece, washed and dried.

Fifth, note:

① this product stock solution is strictly forbidden to add water.

② this product is used at room temperature.

③ this product is corrosive, do not contact with the skin.

Other processing：Chemical Plating Liquid Train、Environmental degreer and rust remover、Stainless Steel Polishing Agentas、Brass Green Chemical polishing Agent、Electroless plating of real gold on copper surface、Strong oil stain removal agent、Environmental non-cyanide gold removal liquid、Zinc alloy chemical copper plating liquid