Polypropylene Glass Fiber 40%

Molding Properties

        ·              Drying temperature                                            : —
        ·              Drying time                                                        : —
        ·              Injection forming cylinder temperature                : 200~300°C
        ·              Injection molding tool temperature                      : 20~90°C
        ·              Injection molding pressure                                  : 703~1410kgf/cm­­2
        ·              Compression molding temperature                      : 171~288°C
        ·              Compression molding pressure                           : 0.35~0.70kgf/cm2
        ·              Molding shrinkage rate                                       : 0.2~0.8%
        ·              Specific gravity                                                   : 1.22~1.23density

              JIS            : K6911,K7122

              A.S.T.M   : D792

Mechanical Characteristics

       ·               Tensile strength                                               : 560~1000kgf/cm2
              JIS            : K6911,K7113
              A.S.T.M   : D638
       ·               Tensile elongation                                           : 2~4%
       ·               Compressive strength                                     : 387~492kgf/cm2
              JIS            : K7208
       ·               Flexure strength                                              : 492~773kgf/cm2
              JIS            : K7203
       ·               Izot impact strength                                        : 7.6~11kgf/cm2
              JIS            : K7110,K7111
       ·              Rockwell hardness                                          : R102~111
              JIS            : K7202
              A.S.T.M   : D785

Thermal Characteristic

       ·        Heat resistance temperature (continous)                       : 121~138°C
       ·         Deflection temperature under load

                   a)                  Bending stress18.6kgf/cm2                  : 59.8~93°C

                   b)                  Bending stress 4.6kgf/cm2                   : 117~161°C
           JIS            : K7206,K7207
           A.S.T.M   : D648

Polypropylane General