点击图片查看大图·可清洗性强
·初阻力低
·容尘量高
·有弹性
·经济实用
用途：主要过滤对象:≥5μm,粗尘过滤（尤其适用于空调火 车，
地铁等），空气过滤系统预过滤
类型：过滤垫或过滤卷
滤料：密度逐级加高的合成纤维
可清洗2-3次
EN 779 级别：G2
平均计重效率：75%（ASHRAE52.1-1992）
EUROVENT4/5级别：EU2
DIN 53438 阻燃标准：F1
终阻力：（建议）100Pa-（最大）200Pa
容尘量：430g/㎡
耐温：100℃
技术参数Specification
FRS-20 Air inlet cotton
·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℃
