Technical Specification of-GH320B-T
Item              Factory Standard       Testing Standard
單位面積質(zhì)量(Basic weight):    320g/㎡±20g/㎡            GB451.2-89
厚度(Thickness):               5.0mm±0.4 mm             GB451.4-89    
過濾效率(Filtration Efficiency):    >94%                           /
透氣率(Ventilation Property):     ≥1400L/㎡.s                GB/T5453.97
容塵量(Dust Holding):          ≥600g/㎡                         /
孔徑(Pore diameter):            130-150μm                 GB/T14799-94
拉伸強度(Tensile Strength):      ≥140N/5cm                 GB/T13763.92
脹破強度(Bursting Strength):     >40N                       GB/T14800-93
耐熱性(Heat Resistance):         >120℃