CG-15 :
   Polyester fiber + Polyester resin  + Graphite

Unit CN-10 CG-10 CM-10 Specific gravity    1.37   1.4  1.4 Max. operating temperature  ℃  125  145  145 Min. operating temperature  ℃  -40  -40  -40 Max. Road(static) (N/㎟)  234  261  247 Max. Road(dynamic) (N/㎟)  55  58  58 Maximum PV factor (N/㎟ m/s)  0.15  0.2  0.2 Coefficient of friction     0.13  -0.08  -0.8 Shaft surface finish   <=0.4 <=0.4 <=0.4 Rockwell Hardness  HRM  100  90  100   Flexural strength  Lengthwise  N/㎟  123  130  131 Crosswise  117  103  117  Tensile strength  Lengthwise  N/㎟  82  69  75 Crosswise  67  48  62 Impact strength  Lengthwise  ft．1b/in  1.92  1.7  1.7 Crosswise  1.75  1.4  1.4 Compressive strength   N/㎟  234  261  247 Moisture absorption % <1.2 <1.2 <0.95