styleitemstandardBST7-85S120-6MMLOI,%≤3SiO2 content,%≥96linear density, Tex85±15.0breaking strength, N≥4.0Execute standard: GJB1679-93 silica fiberglass specification Silica fiberglass chopped stands is chopped from silica fiberglass staple yarn and used for silica fiberglass needled mat. The length and twist by customer’s order.