Caustic soda

We are offering Caustic Soda/sodium Hydroxide.
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
caustic soda(99% min)(cas no:1310-73-2)
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
skype ruthwhite09
superchem9n(a)taixubio-tech dot com
here is the specification:
test item
unit
standard
results
zno (dry basis)
%≥
99.7
99.7
zn(metal)
%
0
0
pbo
%≤
0.037
0.015
mn
%≤
0.0001
0.0001
cupric oxide(counted by cu)
%≤
0.0002
0.0002
hcl insoluble matter
%≤
0.006
0.005
loss of ignition
%≤
0.20
0.18
residue on sieve 45μ
%≤
0.10
0.10
water insoluble matter
%≤
0.10
0.08
105℃ volatile content
%≤
0.30
0.24