Chopped strand mat is pieces mat which is made buy glass fiber shortly cut and not-directively tiled uniformly and mat random, bonded together by agglomerant . The product has characters of good compatibility with resin (good impregnability ,easing defoaming ,less resin consumption),easy to be constructed (good uniformity ,easy to coating ,good stick renaturation with mould),high wet strong resilience rate Im inate plast lightoadmitting quality good and cost low. It is suitable for kinds of glass steel products molded by hand pasting ,such as the sheet materials ,plane skylight ,hull wind power equipment ,bath crock ,cooling tower ,anticorrosive materials ,automobile etc. It is also can be applied to contiuous glass epoxy tile unit.