Multi-purpose PC Resin Particles Raw Material with Good Thermal Conductivity
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Multi-purpose PC Resin Particles Raw Material with Good Thermal Conductivity

Dongguan Forever Co.,Ltd is the manufacture of the China origin cheap UV stablized PC polycarbonate Granules Polymer Resin
  • 399 X 91042-XH

  • Forever

The specific heat capacity of 399 X 91042-XH Generally refers to the heat required when the temperature of plastic molded products rises by 1°C. Specific heat capacity is the same as thermal conductivity and is the reference data for studying the temperature rise of target products in product design.

The continuous operating temperature of 399 X 91042-XH reflects the heat resistance of plastic molded products. Generally divided into physical heat resistance and chemical heat resistance. The former refers to the performance of maintaining the shape of the product at a specified heating temperature; the latter represents the thermal stability of molecular bonds in plastic molding materials.


Form                                        Resin Pellets


Thermally Conductive

 Proprietary Filler




Physical                                                                                Nominal Value                                       Test Method

Density / Specific Gravity                                                    1.58 g/cm³                                             ASTM D792

Linear Mold Shrinkage(Thickness; 3.17 mm)                      0.1 %                                                      ASTM D955

Mechanical                                                                            Nominal Value                                     Test Method

Tensile Strength, Break                                                        51.7 MPa                                                ASTM D638

Elongation at Break                                                              0.40 %                                                    ASTM D638

Tensile Modulus                                                                 2.14E+4 MPa                                          ASTM D638

Flexural Strength                                                                  68.9 MPa                                                ASTM D790

Flexural Modulus                                                                  1.52E+4 MPa                                         ASTM D790

Izod Impact, Notched(Thickness; 3.17 mm)                       21.4 J/m                                                 ASTM D256

Izod Impact, Unnotched(Thickness; 3.17 mm;80x10x3 mm)

80.1 J/m                                                ASTM D4812

Thermal                                                                                 Nominal Value                                      Test Method

CTE, Flow                                                                              15.7 µm/m-°C                                        ASTM E831

CLTE, Transverse                                                                 51.7 µm/m-°C                                        ASTM E831

Thermal conductivity through plane(through-plane)        1.00 W/m-K                                           ASTM E1530

Thermal conductivity in plane(in-plane)                             5.04 W/m-K                                          ASTM E1530

Deflection Temperature(Pressure; 1.8 MPa)                       116 °C                                                    ASTM D648

Flammability, UL94(Thickness; 1.59 mm)                           V-0                                                         UL 94

Electrical                                                                               Nominal Value                                       Test Method

Volume Resistivity                                                                > = 1.00e+12 ohms ·cm                          ASTM D257

Dielectric Constant(Frequency; 1.0e+6 Hz)                       3.0

Dissipation Factor(Frequency; 1.0e+6 Hz)                          0.0030


Nominal Value

Melt Temperature

288 - 316 °C

Mold Temperature

82.2 - 121 °C

Drying Temperature

121 °C

Dry Time

4 hour

Moisture Content

0.020 %

Dew Point

-28.9 °C

Injection Pressure

68.9 - 103 MPa

With almost 20 years in the modified engineering plastics,Forever Plastics is a high-tech manufacture integrating R&D






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