... conveyer belt, then needle stitched together. Needle Mat is primarily used in fiberglass molding processes such as GMT, RTM, etc. ... epoxyENM10606004501050 polyester or epoxyProduct Characteristics1. No binder or other knitting material used to bond the mat together.2. Good resin flow ... such as GMT,RTM, AZDEL.2) Typical products are used for some craftworks such as injection, pressing,mold compression, ...