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china WELLELEcom ,EM salefiberATyahooCOM manmanufacture insulation Arc G5 Tubes Melamine, G9 Tubes Melamine USE LV MV fuse link ,G7 Silicone Tubes, G*0 Tubes USE ON current limiter,Canvas C CE Fabric Reinforced Phenolic ,G7 Tubes Glass Reinforced Silicone light tan to brown This grade is composed of a continuous woven cloth impregnated with a phenolic resin binder. This grade contains a fine weave linen and, like the canvas phenolic, is known for it\'s mechanical properties. The finer weave allows for machining more intricate details than Canvas, like gear teeth. This grade is not recommended for primary insulation.G*0/FR4 Tubes Glass Reinforced Epoxy natural (yellowish to light green) 
The most versatile all around laminate, this grade is a continuous glass woven fabric base impregnated with an epoxy resin binder. It has extremely high mechanical strength, good dielectric loss properties, and good electric strength properties, both wet and dry.G7 Tubes Glass Reinforced Silicone Composed of a continuous glass woven cloth base impregnated with a silicone resin binder, this grade has excellent heat and arc resistance. It has extremely good dielectric loss properties under dry conditions and good electrical properties under humid conditions, although the percentage of change is high. spiral wound tubes ,insulation Kraft paper tube competitive quote in china . more know of us look at web WELLELEcom,FUSESTUBEcom,WHATapp:+８６－１５９５００４２２０９