... light,high strength, wearable, and a very low CTE (coefficient of thermal expansion), moreover ,carbon f Carbon fiber tubeCarbon fiber ... light,high strength, wearable, and a very low CTE (coefficient of thermal expansion), moreover ,carbon fiber does not transfer heat ... toy, kite, pens, handicraft, tent, windmill, umbrella, each kind of sports equipment and so onRaw Material: Carbon fiber from Toray ...