Microfibre per resina epossidica C-System Additives - Natural Microfibers €27.43 A fine, filamentous creamy-white powder of low specific gravity to be added to already mixed resin, obtaining a denser mixture. Especially suitable for filleting fillets between angled surfaces, filling "slabby" holes in nails or screws on wood, repairing plywood peeling, striking and missing parts to wood. Add to cart