Polyvinyl alcohol
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).
Polyvinyl Alcohol is classified into two groups, depending on the degree of its hydrolysis, one is fully hydrolyzed, and the other is partially hydrolyzed. Hydrolysis levels from 87% to more than 99%.
Polyvinyl Alcohol is odorless, tasteless, translucent, white or cream colored granular powder, it has substantial tensile strength, more flexibility, chemical resistance, water solubility, excellent film forming, biodegradability, stability to temperature variation, non-toxicity, resistance to organic solvents.
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Polyvinyl alcohol | 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 s... |
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PVA 088-50 | Item PVA088-50 Hydrolysis%(mol/mol) 86.0-90.0 Viscosity mpa.s 45.0-55.0 Volatile(%) ≤5.0 Ash (%) ≤0.5 pH value 5-7 Purity (%) ≥93.5 |
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PVA 088-20 | TDS of PVA 1788 (088-20) Item PVA 088-20 Hydrolysis%(mol/mol) Viscosity mpa.s Volatile(%) ≤5.0 Ash (%) ≤0.5 ... |
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Polyvinyl alcohol | 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 s... |
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