Product Main

Specifications

1.Caustic soda
2.solid; liquid; white or light blue
3.99.5% min ,99% min
4.Cas no.: 1310-73-2
5.25kgs per bag
            Caustic soda
Cas no.: 1310-73-2 
properties:solid; liquid; white or light blue; strong corrosion, water absorption from the air. uses: mainly used in the fields of metallurgy, petroleum, chemical industry, textile, papermaking, printing and dyeing pharmacy, soap, etc.
Standard of identity: Caustic Solid GB209-93
name of specification /grade
sodium hyroxide by ion membrance process
diaphragrn process
super
1st
super
1st
standard
NaOH %≥
99.5
99.0
96.0
96.0
95.0
Na2CO3 %≤
0.45
0.5
1.3
1.4
1.6
NaCl %≤
0.03
0.05
2.7
2.8
3.2
Fe2O3 %≤
0.004
0.006
0.008
0.01
0.02
Standard of identity of flaky caustic soda flakes:
name of specification\ grade
membrance process
diaphragrn process
NaOH %≥
99
96.0
Na2CO3 %≤
1.0
1.3
NaCl %≤
0.3
2.7
Fe2O3 %≤
0.01
0.008