毛片在线观看AV_久久精品国产亚洲αV麻豆网站_在厨房被c到高潮_亚洲国产男人的天堂你懂的_国产极品粉嫩馒头一线天_最近更新中文字幕手机版_午夜视频等优质视频资源_亚州性夜夜射在线观看_高清无码人妻精品内射视频_2021中文字幕无码免费

Aluminum Chrome-Free passivation Solution,Chromium-Free passivation solution,Ash-Removing passivation solution

Aluminum Chrome-Free passivation Solution,Chromium-Free passivation solution,Ash-Removing passivation solution

1.Product number：Q/YS.201 (Yi Shun brand)

2.Product features：

This product is applicable to form chromium-free chemical conversion coating on the surface of aluminum and aluminum alloy, chromium-free chemical conversion coating to be obtained has excellent corrosion resistance, can be used as paint, coating pretreatment. This product do not contains chromium ion and any harmful substances such as heavy metals. Deactivation aluminum corrosion resistance is very strong. And it has a good appearance. White deactivation film is thick and firm, and can maintain long-term gloss of aluminum surface. This product is environment friendly. 

3.Product index：

⑴Performance: transparent, colorless liquid.

⑵Proportion: 1.1±0.02.

⑶PH value: acid 

⑷Temperature: at room temperature.

⑸Concentration: original solution

⑹ Processing time: 3-5 minutes.

4.Usage method:

Clean aluminum parts are immersed in the deactivation solution for 3~5 minutes, washing and drying. Do not overlap before the work piece dry, when the work piece is completely dry, it can be placed together.

Other processing：Aluminum surface treatment agent series、Environmental degreer and rust remover、Brass Green Chemical polishing Agent、Electroless plating of real gold on copper surface、Strong oil stain removal agent、Copper、chromium and nickel stripping agent