Polystyrene Heat Resistance Glass Fiber 20~30%

Molding Properties

          ·     Drying temperature                                           : —
          ·     Drying time                                                       : —
          ·     Injection forming cylinder temperature               : 170~280°C
          ·     Injection molding tool temperature                     : 20~80°C

          ·     Injection molding pressure                                 : 1050~2810kgf/cm­­2
          ·     Compression molding temperature                     : —
          ·     Compression molding pressure                          : —
          ·     Molding shrinkage rate                                      : 0.1~0.3%
          ·     Specific gravity                                                 : 1.20~1.33density

            JIS            : K6911,K7122

            A.S.T.M   : D792

Mechanical Characteristics

          ·      Tensile strength                                               : 633~1050kgf/cm2
            JIS            : K6911,K7113
            A.S.T.M   : D638
          ·      Tensile elongation                                           : 2~60%
          ·      Compressive strength                                     : 949~1270kgf/cm2
           JIS            : K7208
          ·      Flexure strength                                               : 738~1410kgf/cm2
           JIS            : K7203
          ·       Izot impact strength                                        : 1.4~2.2kgf/cm2
           JIS            : K7110,K7111
          ·       Rockwell hardness                                           : M70~95
           JIS            : K7202
           A.S.T.M   : D785

Thermal Characteristic

          ·       Heat resistance temperature (continuous)                : 82~93°C
          ·       Deflection temperature under load

                   a)                  Bending stress18.6kgf/cm2               : 90~104°C

                   b)                  Bending stress 4.6kgf/cm2                : 97~110°C
            JIS            : K7206,K7207
            A.S.T.M   : D648

 

Polystyrene General 

Polystyrene High Impact Proof 

Polystyrene Heat Resistance

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