Polyvinyl alcohol particles 1788 
 One. Quality indicators 
 Specifications 17-8824-88 
 Viscosity (mpa.s) 20.0 ~ 26.5 44-50 
 Acid hydrolysis degree [% (mol / mol)] 86.0 ~ 90.0 86.0-90.0 
 Volatile (%) ≤ 7.0 <5.0 
 Sodium acetate (%) ≤ 2.8 ≤ 2.8 
 Ash (%) ≤ 1.0 <0.5 
 PH value of 5 ~ 75-7 
 Degree of polymerization 1650 18502400-2500 
 Molecular weight of 72,600 ~ 81,400 118000-124000 
 II. Applications 
 1. Warp 
 2. Paper processing 
 3. Adhesives 
 4. Film 
 5. Acetal derivatives 
 6. Fiber materials 
 7. Dry mortar 
 III. Packaging and storage 
 NW 25kg / bag or agreed packaging. And stored in well-ventilated place away from fire, cool and dry storage for at least 5 years.