1. Dissolving softwood pulp
· The content of alphacellulose ≥ 91%
· Ash ≤ 0.15 mg /kg
· Iron content ≤ 2.0 mg/kg
· Viscosity 10 ± 1.4 mPas
· Whiteness ≥ 85%
· Moisture ≤ 13%
2. Dissolving hardwood pulp
· The content of alphacellulose ≥ 91%
· Ash content ≤ 0.18 mg/kg
· Iron content ≤ 20 mg/kg
· Intrinsic viscosity ≥ 350 mL/g
· Whiteness ≥ 85%
· Moisture ≤ 13%