97影院最新理论片,国产色爽,饥渴少妇av,少妇乱淫36部,一本大道一区二区,91原创国产视频,50岁老妇女一级毛片

PRODUCTS
產(chǎn)品展示
Contact Us
Order
Products
Your position : Home - Products

Zinc Sulphate,Monohydrate

 

Features: Soluble in water, slightly soluble in alcohol, insoluble in acetone, hygroscopic in the air

Use: As raw material for the production of zinc-barium power or other zinc salts, it is important auxiliary material of viscose and vinylon fiber. It can be used in electroplating, beneficiation, circulating cooling water treatment, etc. it can be used as fertilizer and feed additive in agriculture, etc. 

Packing: Inner plastic outer woven bag, net weight 25kg/bag or 50kg/bag or packed with ton bags.

 

[Back]

?
  林燕
  Call me