Technical Specification of-GH320B-T

Item              Factory Standard      Testing Standard

单位面积质量(Basic weight):    320g/㎡±20g/㎡            GB451.2-89

厚度(Thickness):               5.0mm±0.4 mm             GB451.4-89   

过滤效率(Filtration Efficiency):    >94%                           /

透气率(Ventilation Property):     ≥1400L/㎡.s                GB/T5453.97

容尘量(Dust Holding):          ≥600g/㎡                         /

孔径(Pore diameter):            130-150μm                 GB/T14799-94

拉伸强度(Tensile Strength):      ≥140N/5cm                 GB/T13763.92

胀破强度(Bursting Strength):     >40N                       GB/T14800-93

耐热性(Heat Resistance):         >120℃