Technical Specification of-CAEN300 Item Factory Standard Testing Standard 单位面积质量(Basic weight): 430 ±30g/㎡ GB451.2-89 厚度(Thickness): 2.0 ±0.3mm GB451.4-89 过滤效率(Filtration Efficiency): ≥88% / 透气率(Ventilation Property): ≥1800L/㎡·s GB/T5453.97 容尘量(Dust Holding): ≥300g/㎡ / 孔径(Pore diameter): 110-130μm GB/T14799-94 拉伸强度(Tensile Strength): ≥120N/5cm GB/T13763.92 胀破强度(Bursting Strength): >65N GB/T14800-93 耐热性(Heat Resistance): >130℃