Mask Filter Paper
They are one-off mask paper, and they are all imported slurry material, and the quality of paper is uniform, soft, and has high intensity on dry, and wet. They are green environment products which comply with Food Hygiene Law.
No. 	Name of index	Unit	Regulation
1	Ration	G/M2	13+-0.5	14+-0.5
2	Swelling and tightness resist	Longitudinal≥	Kn/m	0.40	0.45
3		transverse≥	Kn/m	0.06	0.08
4	Wet tensile strength Longitudinal≥	Kn/m	0.09	0.10
5	Air permeability	≥	Kore	7000	6000
6	Whiteness	≥	%	80	80
7	Moisture content of delivery	≤	%	8.0	8.0
Performance: Good tensile force, high air permeability, can be used in one-off mask, protective liner, isolated products.
Specification: 165X12.5g, 13G, 175X12.5g, 13G, 180X12.5g, 14G.