Specification: 300*200±1mm
Thickness: 0.43±0.08mm
Basis weight: 75±4g/m²
Air permeability: 2300-3300L/m²s
Tensile strength: 120 N/50mm (in the longitudinal direction)
Appearance: White, uniformly consistent, free from stains, imprints, black spots, yellowing, etc.