Fiberglass AR Chopped Strands Glass fiber AR chopped strands (glass yarn) are on the chopped strands. The chopped strands contain 16.5% Zro2 and are used as construction raw materials (Fiber glass) (Fiberglass cloth). Product Specification Item Diameter(um) Chopped Length(mm) Compatible Material A 13 12 Concrete B 15 18 Concrete C 18 24 Concrete 1. Fine of thermal insulation: According to physical principles, the thermal conductivity of gas is small, and there are many air pockets inside outstanding thermal heat preservation materials. Glass fiber needle-punched cotton has countless fine gases and the fiber…