一(yi)般來說,初(chu)效是指(zhi)粗效,也(ye)是初(chu)級過濾的(de)(de)意思,一(yi)般過濾1.0um的(de)(de)以上(shang)顆粒(li)30-35%;
中(zhong)效過濾0.5um以上顆(ke)(ke)粒80-85%,高效過濾0.3um以上顆(ke)(ke)粒99.9%以上;
因為測試方法不(bu)同(tong)(tong),效率標準不(bu)同(tong)(tong),過濾的顆粒(li)大小(xiao),等(deng)也不(bu)同(tong)(tong)的。