薄码毛片_国产高清a片_日韩无码a片免费无码

系統檢測到您還未安裝播放器,
Home Products Industrial grade

薄码毛片_国产高清a片_日韩无码a片免费无码 src="?UpLoadImg/2013-3-[12]/2013-3-12_3505533983.jpg" width=252 height=349>



Sodium Metabisulfite (Industrial grade):

Molecular formula: Na2S2O5
The national standard: HG/T 2826-1997;
Appearance: white or slightly yellow crystalline powder;
Packing: In 25kg net plastic lined plastic woven bags, or 1100kg net big bags;
Validity: 6 months from the date of production;

Specifications:

 Project

Indicators 

 Content(Na2S2O5), ω /%

  96.0

 Iron(Fe), ω /%

  0.005

Insoluble matter in water

 pass

 Heavy metal(Pb), ω /%

  0.05

 Arsenic(As), ω /%

  0.0001


Usage:
Used as a mordant dyeing,fabric antichlor after bleaching,paper fiber bleaching agents,chemical medicine by reducing agent and sulfonating agent,non-ferrous metal ore-dressing agent,waste water treatment agent,tanning agent for leather industries,natural rubber coagulant,additiver for building materials.

Recruitment    |    ContactUs

2009 薄码毛片_国产高清a片_日韩无码a片免费无码 Co.,Ltd.         Support: