一般來說,初效是(shi)指(zhi)粗效,也是(shi)初級過濾(lv)的(de)意(yi)思,一般過濾(lv)1.0um的(de)以(yi)上顆粒(li)30-35%;
中效過濾0.5um以上顆(ke)粒(li)80-85%,高效過濾0.3um以上顆(ke)粒(li)99.9%以上;
因為測試方(fang)法不(bu)同(tong)(tong)(tong),效率標(biao)準不(bu)同(tong)(tong)(tong),過濾的顆(ke)粒大小(xiao),等也不(bu)同(tong)(tong)(tong)的。