آنالیز پلی ایزوبوتیلن (Polyisobutylene) گرید 950 STANDARD METHOD ITEM TRANSPARENT NAKED EYE APPEARANCE 92500-98000 Q/SHR001-2009 MOLECULAR WEIGHT(g/mol) 0.5% MAX. Q/SHR001-2009 VOLITILE 3PPM MAX. GB/T5009.76-2003 As 3PPM MAX. GB/T5009.75-2003 Pb 20PPM MAX. GB/T5009.74-2003 HEAVY METAL (AS Pb) 10000 MAX. GB/T4789.2-94 TOTAL BACTERIA (CFU/G) 30 MAX. GB/T4789.28 COLIFORM BACTERIA (MPN/100g) (POLYISOBUTYLENE) گرید 950