Powder Chopped Strand Mat (CSM) is produced by chopping roving into 5cm lengths fibers and dispersing fibers randomly and evenly onto a moving belt ,to form a mat,then a powder binder is used to hold fibers together, then a mat is rolled into a roll continuously. Fiberglass powder mat(Colchoneta de Fibra de Vidrio) conforms easily to complex shapes (curves and corners) when wet-out with polyester,epoxy and vinyl ester resin, is a widely used traditional fiberglass, builds up thickness quickly with low cost. Common weight: 225g/m2, 275g/m2(0.75oz), 300g/m2(1oz), 450g/m2(1.5oz), 600g/m2(2oz) and 900g/m2(3oz). Note: powder chopped strand mat can compatible with epoxy resin completely.