短切毡： 定义：玻璃纤维短切原丝毡（简称短切毡）是将玻璃纤维经短切成 50毫米长度 后，无定向地均匀分布， 经聚酯粉末、 聚酯乳液粘结剂粘结而成的无碱或中碱玻 璃纤维无纺毡制品。 Glassfibre chopped strand mat (briefly as CSM) is an non-woven E-or C-glassfiber glassfibre which is made of chopped strands of 50mm in length, which are randomly and uniformly dispersed and bound together with polyester binder in powder or emulsion form. 特点： 1.单位面积质量均匀 ，无污渍杂物等疵点， 2.硬度适中，柔韧性好 3.易于完全浸透，制品气泡