Dec 29, 2012
Grade:A7-20,A6-40,A5-50,A5-60,A5-70,A4-30,A4-20 etc
Use:thermal insulation,rubber,brake,textile etc
asbestos Grade:A7-20,A6-40,A5-50,A5-60,A5-70,A4-30,A4-20 etc Use:thermal insulation,rubber,brake,textile etcasbestosAnalysis : Item No.6-40,5-50,5-60,5-70,4-30,4-20,3-60Asbestos...