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Basic Property
 
Physical Properties
Raw material
PVA
 
C hardness
 
10-80
Gravity(Dry)
0.1~0.15
 
Tensile force(dry)
 
24kg/cm2
Porosity (%)
85~95
 
Tensile force(wet)
 
4 kg/cm2
Pore Diameter
30~250
 
Heat resistance
 
60
Water Retention (%)
500~1200
 
 
 
 
 
 
 
Chemical resistance:
H2SO4
< 5%
CCl4
OK
HCl
< 2%
CH3OH(50~80%)
NG
HNO3
NG
C2H5OH(50~80%)
NG
H3PO4
< 5%
(C2H5)2O
NG
CH3COOH<1%
OK
CH3COCO2H
NG
NaOH
OK
RCOOR
OK
NH3OH
< 10%
C7H8
OK
C6H6O
NG
CH3COCH2CH3
OK
H2OH
< 3%
T H F
OK
HOCl
NG
CITRIC ACID
<10%
CH3COOCH2CH3
OK
C8H10
OK
HF  
< 5%
H2C2O4
< 5%