... Co.,Ltd is one of the leading China gy、gt、gc、gr glass fiber yarn、 tape、 cloth、 ... and the like.2) Glass Fiber Rope Specification: 4*4mm-50*50mmClassification Temperature: 550℃Chemical composition:SiO2 ... 00%CaO 17,00%B2O3 8,00%MgO 4,50%Fe2O3 0,50%Physical-mechanical characteristics:Density: ... 1,00kg/dm3 (+/-10%)Traction strength: 45,00kg/dm3Elongation: 4,80%Softening temp.: 740℃Melting temp. : 1010℃Thermal ...