Crystal sodium sulfide

Time:2018-04-07 21:12  Author:admin  Click:

Product name: Crystal sodium sulfide (Na2S.5½H2O)
Properties: Appearance white granules.
Packaging: Net wt 25.0kg/bag. Inner bag is double-layer plastic bag, sealed by heat; Outer bag is woven bag, sewn by machine.
Cautions: avoid rain, moisture and heat, no breakage, no mix with acid and corrosive matter..
Uses: Mainly used in engineering plastics, rubber, silicone, chemical cleaning agents, medicines, health food and additive industry.
Technical index:

Item

Index

Top grade

First grade

Qualified grade

Na2S             £¨%£©     ≥

45.00

44.50

44.00

Na2SO3                £¨%£©     ≤

0.20

0.30

0.40

Na2S2O3              £¨%£©     ≤

0.40

0.50

0.60

Fe content,      £¨%£©     ≤

0.0003

0.0005

0.0010

Water insoluble  £¨%£©     ≤

0.03

0.05

0.05