Specification: 297±3mm*210±2mm
Thickness: 0.35±0.04mm
Basis weight: 75±10g/m²
Porosity: 14-20 S/100ml/0.1sq.in
Tensile strength: Minimum 9.0 (in the longitudinal direction) N/15mm
Appearance: White, uniformly consistent, surface free of stains, imprints, black spots, yellowing, etc.