... of -270; 2.high intensity and high elasticity module; 3.low ratio of booting heat, insulating heat, ... high temperature and corrosion. This thread is suitable for sewing of high temperature filter bags. Product SpecificationcodeFY288FY266FY267materialBsalt ... used as electric insulation material, thermal insulation material, filler for electric cables, fire proof material, wicks, sealing material, ...