日韩人妻无码一区二区三区俄罗斯_午夜AV免费播放不卡三区_亚洲日韩国产欧美一区二区三区_日本阿V视频高清在线中文

Design and Construct Hot Dip Galvanizing Plants both Domestically and Internationally

PRODUCTS RANGE

Add: Jinshan Bridge Zone, Xuzhou, Jiangsu, China
Mobile: 86-13805211808
Tel: 86-516-83168088
Email: xy-rjd@163.com

Current Position: Home> Products

Details

phosphating?solution
Name:
phosphating?solution
  • Model:
  • Uses:
  •  
Details

Phosphating solution process:
Oil remuving----rust removing(acid pickling)---rinsing---- parkerising---rinsing----closed----naturally airing
Notice:24 hours shall not touch!
Technical index:

Appearance

Specific gravity

Operating fluid 

Total acidity

Free acid

Clarification transparent liquid

1.2~1.3

1:10 in proportion dilution

40 point~60 point

10~17

返回頂部 電話