... mechanical strength 3,excellent dielectric 4,adhesive capability. DMD Epoxy Pre-preg(Insulation Material) No.NameUnit0.160.180.200.230.250 ... .300.40 1 Appearance The surface of pre-preg must be smooth, resin is evenly scattered.No impurity ... product.No folding mark, bubble, or corrugation when opening the pre-preg . 2 SizeBundle Weightkg≤60Bundle No. ≤3,each in length ...