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

Copper Chemical polishing Agent,Red Copper Polishing liquid,Copper Brightening Agent,Copper Cleaning Brightener

Copper Chemical polishing Agent,Red Copper Polishing liquid,Copper Brightening Agent,Copper Cleaning Brightener

First, the product code: Q / YS.105 (Yi Shun brand)

Second, the product range: 

This product is suitable for brass, copper (copper) and beryllium copper surface finish.

Third, the advantages of this product:

1, the effect is stable and long.

2, the basic operation of smoke-free, is environmentally friendly products.

3, polished copper color, surface smooth, you can achieve the mirror effect.

Fourth, physical and chemical indicators:

1, this product is acidic.

2, the proportion: 1.4

3, the product was yellowish transparent.

4, this product does not add any heavy metals and nitrous acid and other harmful substances.

Fifth, use method:

1, the use of this product stock solution, can not bring water into the polishing liquid, room temperature use.

2, polishing operation: the surface of oil-free copper all immersed in the polishing liquid, soak for about 2 minutes -4 minutes after the removal, immediately rinse with clean water on the copper polishing liquid. One-time do not put too much work piece, there must be a certain distance between the work piece and the workpiece, and when the workpiece is to be flipped from time to time, the purpose is uniform polishing,

3, after using a certain time, if you find the brightness decreased, you can add a long-term additive 0.5% to 1%.

4, cleaned and air dried to the next step operation, such as passivation, welding and so on.

5, the product before and after use to cover the lid to prevent evaporation and failure.

Six, matters needing attention:

1, this product is acidic, corrosive to the skin, gently handle the operation, and wear rubber gloves. Should be poured slowly, to prevent splashing on people. If inadvertently contact with the skin, rinse immediately with water.

2, the use of stock solution, use to avoid water into the polishing solution.

3, the use of polishing fluid for a certain period of time, if the gloss copper pieces do not meet the requirements, when the extension of time is still not up to the polishing requirements, you should replace the cleaning tank cleaning solution.

Other processing：Stainless Steel Polishing Agentas、Brass Green Chemical polishing Agent、Electroless plating of real gold on copper surface、Strong oil stain removal agent、Copper chromium-free passivation agent、Environmental electric brush tin plating solution(bright type)、Environmental Copper、nickel removal liquidnew nickel deplating agent