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FRS-20 初效過濾棉
·可清洗性強
·初阻力低
·阻燃性佳
·有彈性
·經濟實用
用途：主要過濾對象:≥5μm,粗塵過濾，尤其適用于空調、火車、
地鐵等空氣過濾系統預過濾
類型：過濾墊或過濾卷
濾料：密度逐級加高的合成纖維
可清洗2-3次
EN 779 級別：G2
平均計重效率：75%（ASHRAE52.1-1992）
EUROVENT4/5級別：EU2
DIN 53438 阻燃標準：F1
終阻力：（建議）100Pa-（較大）200Pa
容塵量：430g/㎡
耐溫：100℃
·Washable and reusable
·Low resistance
·Excellent flame retardant
·Flexible
·Economical and practical
Application: ≥5μm , Filter dust , (especial
used in the train or the subway, where the place
has air-conditioning), pre-filter through air filter program
Type: supply slices or rolls size
Media: synthetic fiber with gradual density,
Washable: about 2-3 times
EN779 class: G2
Average arrestance:75%（ASHRAE52.1-1992）
EUROVENT4/5 class: EU2
DIN53438 Non-flammability Standard: F1
Final resistance: (suggest) 100Pa-(max)200Pa
Max. Dust holding capacity: 430g/㎡
Temp. resistance: 100℃
