... :98%min Model:6-40,5-50,5-60,5-70,4-30,4-20,3-60 asbestos fiber Asbestos content:98%min Model ... :6-40,5-50,5-60 ... ,5-70,4-30,4-20,3-60 ... ,brake,textile etcasbestos fiberasbestosAnalysis : Item No.6-40,5-50,5-60,5-70,4-30,4-20,3-60Asbestos content≥ 98 ...