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1. product features ◆ take polypropylene special resin as raw material, the non-woven are made by gellec unique high temperature melting and spraying process. ◆ microfiber, lager specific surface area, high porosity, smooth, soft, good folding resistance. ◆ high filtration efficiency, good air permeability, small respiratory resistance. ◆ the electret is stable, the static electricity does not disappear in most applications, and the filtration performance is stable. ◆ has good thermal insulation performance, water and oil absorption, has a good flame retardant performance. ◆ non-toxic, tasteless, non-irritating, white and light. 2. product performance performance kn90 kn95 kn100 1 g/m2 40±50± 5%2 % 92.4 100 air resistance gb 2626 72 4 longitudinal 12.9 12.9 5 n 9.4 36.1 breaking elongation gb/t 24218.3 39
1. product features ◆ take polypropylene special resin as raw material, the non-woven are made by gellec unique high temperature melting and spraying process. ◆ microfiber, lager specific surface area, high porosity, smooth, soft, good folding resistance. ◆ high filtration efficiency, good air permeability, small respiratory resistance. ◆ the electret is stable, the static electricity does not disappear in most applications, and the filtration performance is stable. ◆ has good thermal insulation performance, water and oil absorption, has a good flame retardant performance. ◆ non-toxic, tasteless, non-irritating, white and light. 2. product performance performance test standard bfe95 bfe99 1 g/m2 25±7% 25 bacterial filtration efficiency - bfe yy0469 ≥96.8 3 % 30 97.8 air resistance yy0469 21 5 longitudinal gb/t 24218.3 12.1 6 n ≥6 8.9 breaking elongation gb/t 24218.3 34