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

Product list
Contact us

Tax Registration Number: 91440101552358350G

Bank:BANK OF CHINA GUANGZHOU ZENGCHENG ZHONGXIN SUB-BR

Account :705569418477

E-mail: gdyshg@163.com

Tel: 15118868698 020-87471488

Business address:The new town of Zengcheng District of Guangzhou Ctiy in Cunjing Fung pui road 30

Steel blackening agent at ambient temperature,Steel Blackening Agent,Environmental Blackening Agent

Product Name:Steel blackening agent at ambient temperature,Steel Blackening Agent,Environmental Blackening Agent

Price:


Steel blackening agent at ambient temperature,Steel Blackening Agent,Environmental Blackening Agent



Steel blackening agent at ambient temperature,Steel Blackening Agent,Environmental Blackening Agent



First, the product code: Q / YS.314 (Yi Shun brand)


Second, product performance:

This product is used for steel surface with a dense and wear-resistant black film, beautiful film, corrosion resistance, simple operation, non-toxic, odorless, heavy metals, black film adhesion, uniform color. Belong to matte black.


Third, product index:

1.Acid product

2.Specific gravity> 1.0

3.Tasteless


Fourth, the use of methods:

1. Iron pre-treatment: degreasing polishing (or sandblasting, grinding)

2. The surface of the iron clean invade the iron black agent, about 20 seconds -2 minutes after the iron surface can be found black, the soaking temperature can be 18-35 ℃

3. Do follow-up after washing, such as wire drawing, sealing oil


Fifth, note:

1. This product has a corrosive effect on the skin, please use plastic gloves operation.

2. Use the process and storage process, to avoid glare heat to prevent drug failure.

3. Blackening temperature control can be 18-35 ℃, do not be too low or too high.


Other processingSteel imitation gold liquid、Environmental degreer and rust remover、201#stainless steel chemical thicker liquid copper  plating、Stainless Steel phosphating AgentStrong oil stain removal agent、Steel passivation Agent