Features: 1) Appearance: white granule 2) Molecular weight: 5 - 22 million minimum 3) Granule: 20 - 100 mesh 4) Solid content: 88% minimum 5) Hydrolyzing degree: 10 - 20%, 20 - 30% or 30 - 40% 6) Dissolving time: 2 hours maximum (10°C) 7) Insoluble: 0.5% maximum 8) Monomer free: 0.05% maximum Inner packing: 25kg/plastic enhanced paper bags with inner plastic bag, 25kg/PE bag