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The first number typically refers to the degree of polymerization (related to viscosity), while the second refers to the degree of hydrolysis.
You can find superfine powders (80 to 160 mesh) for applications requiring rapid, lump-free mixing. Where to Buy Polyvinyl Alcohol PVA Powder 1kg - High Viscosity Adhesive buy pva powder online
When sourcing PVA powder online, the most critical factor is selecting the correct grade, often identified by numerical codes like or 24-88 . The first number typically refers to the degree
A higher degree of hydrolysis (e.g., 98–99%) offers superior water resistance and chemical stability, whereas lower hydrolysis (e.g., 88%) allows for faster dissolution in water and better flexibility. whereas lower hydrolysis (e.g.