Fiberglass chopped strand mat. 1.E-glass or C-glass 2.powder or emulsion 3 regular weight: 225g, 300g,450g, 600g Glassfiber chopped strand mat is a ... non-woven E-glass orC-glassfiber mat, product manufactured by spreading continuous filament roving of 50mm in length ... etc.HOT-SELLING SIZE: 1040MM, 225G, 300G, 450G, 600G Fiberglass chopped strand mat.