... skin use kevlar,internal skin use carbon fibre, carbon tapes reinforcement,honeycomb core material.3. Honeycomb B type: external ... skin use kevlar, internal skin use carbon&kevlar, carbon tapes reinforcement, lantor coremat core material5. Fibreglass A type: external ... /internal skin use fibreglass, carbon tapes reinforcement, lantor coremat core material.6. Fibreglass B type ...