一般來(lai)說,初(chu)效是(shi)(shi)指粗(cu)效,也是(shi)(shi)初(chu)級過濾(lv)的意思(si),一般過濾(lv)1.0um的以(yi)上顆(ke)粒(li)30-35%;
中(zhong)效過(guo)濾0.5um以上顆(ke)粒80-85%,高效過(guo)濾0.3um以上顆(ke)粒99.9%以上;
因(yin)為(wei)測(ce)試(shi)方法不(bu)同(tong)(tong)(tong),效(xiao)率標準不(bu)同(tong)(tong)(tong),過濾的(de)顆(ke)粒大小,等也不(bu)同(tong)(tong)(tong)的(de)。