... of Fabrication. 4.Cost Effective. 3k carbon fiber round twill tubeQulifications: SGS, REACH Compliant Materials: Quality carbon fiber, resin & fillers, etc. Shape: ... grades add flame resistance, arc/track resistance and high temperature resistance. This is why they are used ... , sanded, sheared or routed.Cost EffectiveWhen compared to high-pressure laminates such as epoxy, melamine, silicone or mica ...