Overview
PVOH 823T is a medium-molecular-weight polyvinyl alcohol (PVOH). A unique batch process effectively controls the degree of hydrolysis and particle size.
General properties
PVOH 823T is a partially alcoholized medium molecular weight polyvinyl alcohol, a high quality product with ultra-high purity and ultra-low ash content.
Applications
PVOH 823T can be used in adhesives, cosmetics, emulsion polymerization, oil well cementing, paper industry, etc.
PVOH 823T is suitable for the inkjet industry.
Possible applications: Coatings industry, photosensitive coatings, plant protective covers, PVA sponges, strippable protective coatings.
Package
Packed in 25 kg paper bags。
Storage
PVOH 823T should be stored away from moisture and open flame.
PVOH 823T should be used up within 12 months of delivery. It can still be used after storage for 12 months or more, but it is recommended to test before use.
PVOH 823T aqueous solution may become moldy or contaminated by bacteria if it is stored in high temperature and high humidity for a long time.
Technical Data
| Appearance | Nearly white spherical particle |
| Solid content(min)w/w% |
98.5
|
|
Alcoholysis (mole%)
|
85.0±2.5
|
| Viscosity @20℃/4% aqueous solution |
23.0±1.5
|
| PH |
5.0-7.0
|
| Ash content (Na2O) max% |
≤0.2
|
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IPv6 network supported