... 3, 4, 6, 8 tensile strength:from 1lb to 300 lb line diameter:from 0.1~1.2mm color ... : 3, 4, 6, 8 tensile strength:from 1lb to 300 lbline diameter:from 0.1~1.2mmcolor:Gray, red ... , thermal stability, general was 145 °C melting (easy to be the cause of the tangent);4. Smooth surface, low ... friction coefficient, is not easy to nap;5. Elongation at break: 3.5%, bending fatigue property is kevlar;6. ...