whatman PM2.5檢測(cè)(監(jiān)測(cè))膜
濾膜基本參數(shù):
濾膜材質(zhì):聚四氟乙烯(PTFE)
濾膜直徑:46.2mm
濾膜孔徑:2um
濾膜厚度:40um
支撐環(huán)材質(zhì):聚丙烯
whatman PM2.5檢測(cè)(監(jiān)測(cè))膜
?松散、表面顆粒污染(loose, surface particle contamination.(Drop Test-Weight Loss Stability)
?溫度穩(wěn)定性(溫度—Weight Loss Stability) 均符合EPA標(biāo)準(zhǔn)
大量現(xiàn)貨供應(yīng)中,批發(fā)零售*