USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $90.00-100.00 / Gram
USD $1.00-1.00 / Kilogram
polyvinyl alcohol:
pva, sometimes referred to as pvoh, pval, cas no. 9002-89-5) is one of the seldom high-molecular synthetic polymers with water soluble property, which is essentially made from polyvinyl acetate through hydrolysis. the main specification includes the degree of polymerization, the degree of hydrolysis and other special performance (including viscosity, volatile, ash, ph value and purity
service we provide:
type |
item |
hydrolysis%(mol/mol) |
viscosity mpa.s |
volatile(%)≤ |
ash (%)≤ |
ph value |
purity (%)≥ |
fully hydrolyzed grades |
pva04-99 |
98.0-98.8 |
4.0-5.0 |
5.0 |
0.5 |
5-7 |
93.5 |
|
pva05-99 |
98.0-99.0 |
5.0-6.5 |
5.0 |
0.7 |
5-7 |
93.0 |
|
pva10-99 |
98.0-99.0 |
9.0-11.0 |
5.0 |
0.5 |
5-7 |
93.0 |
|
pva17-99 |
98.0-99.0 |
23.0-29.0 |
5.0 |
0.5 |
5-7 |
93.5 |
|
pva20-99 |
98.0-99.0 |
34.0-39.0 |
5.0 |
0.5 |
5-7 |
93.5 |
|
pva24-99 |
98.0-99.0 |
55.0-65.0 |
5.0 |
0.5 |
5-7 |
93.5 |
|
pva26-99 |
99.0-100.0 |
68.0-78.0 |
5.0 |
0.5 |
5-7 |
93.5 |
medium hydrolyzed grades |
pva17-92 |
91.0-93.0 |
21.0-27.0 |
5.0 |
0.5 |
5-7 |
93.5 |
partially hydrolyzed grades |
pva04-88 |
86.0-89.0 |
4.0-4.5 |
5.0 |
0.7 |
5-7 |
93.0 |
|
pva05-88 |
87.0-89.0 |
4.0-6.0 |
5.0 |
0.7 |
5-7 |
93.0 |
|
pva17-88 |
87.0-89.0 |
20.5-24.5 |
5.0 |
0.7 |
5-7 |
93.5 |
|
pva20-88 |
87.0-89.0 |
29.0-34.0 |
5.0 |
0.5 |
5-7 |
93.5 |
|
pva24-88 |
87.0-89.0 |
45.0-55.0 |
5.0 |
0.5 |
5-7 |
93.5 |