Technical Specification of-GF240B

Item             Factory Standard    Testing Standard

单位面积质量(Basic weight): 240±20g/㎡          GB451.2-89

厚度(Thickness):                2.0±0.2mm         GB451.4-89  

过滤效率(Filtration Efficiency):≥95.5 %                           /

透气率(Ventilation Property):    ≥1350L/㎡.s              GB/T5453.97

容尘量(Dust Holding):        ≥400g/㎡                     /

孔径(Pore diameter):           120-140μm             GB/T14799-94

拉伸强度(Tensile Strength):    ≥160N/5cm              GB/T13763.92

胀破强度(Bursting Strength):    >100N                      GB/T14800-93

耐热性(Heat Resistance):       >130℃