Equivalent caracteristic Carbon Glass
Tg 130°C  130°C
Density 1.60 g/cm3  2 g/cm3
Flex modulus 85 to 95 GPa  50 GPa
Structure Standard tubes : fiber 90° et 20°  Standard tubes : fiber 90° et 20° 
Material HR and HM Carbon Glass E
Tolerance  +/-0.2 mm +/-0.2 mm
Finish  Grip surface Grip surface
 Fiber Carbon Glass
Density 1.60 g/cm3 2 g/cm3
Flex modulus 85 to 95 GPa 74 GPa
Tensile strength 4900 MPa  2500 MPa