一般來說,初效(xiao)是(shi)指粗(cu)效(xiao),也是(shi)初級(ji)過濾的意(yi)思,一般過濾1.0um的以上顆粒(li)30-35%;
中(zhong)效過濾0.5um以上(shang)顆(ke)粒80-85%,高效過濾0.3um以上(shang)顆(ke)粒99.9%以上(shang);
因為測試方法不(bu)(bu)同(tong)(tong),效率標準不(bu)(bu)同(tong)(tong),過(guo)濾的(de)顆粒大小,等也不(bu)(bu)同(tong)(tong)的(de)。