Fiberglass Cloth Main size:5mm x 5mm or ... to 500G/M2 Advantage:High strength;Fire proof;Flexibl Fiberglass cloth1. specificationMain size: 5mm x 5mm or ... weight:30G/M2 to 500G/M2; 75 G/M2, 90 G/M2, 125 G/M2, 145 G/M2, ... % after 28 days NaoH test. (2)Our fiberglass yarn is supplied by Jushi Group which is the ... largest producer of fiberglass yarn in the world like Saint Gobain, it ...