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Specialty Compounds RTP Company

Chang Chun Plastic PBT4830 Fire Retardant & 30% Glass Fiber Enforced Grade PBT
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass Fiber Filled, Flame Retardant

Material Notes: Information provided by Dowell Trading Company Ltd.

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Physical PropertiesMetricEnglishComments
Density 1.58 - 1.64 g/cc0.0571 - 0.0592 lb/in³ASTM D792
Water Absorption 0.030 %0.030 %24 hour immersion; ASTM D570
Linear Mold Shrinkage 0.0020 - 0.014 cm/cm0.0020 - 0.014 in/inASTM D955
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 9494ASTM D785
Tensile Strength, Ultimate 110 - 140 MPa16000 - 20300 psiASTM D638
Elongation at Break 4.0 - 5.0 %4.0 - 5.0 %ASTM D638
Flexural Yield Strength 150 - 230 MPa21800 - 33400 psiASTM D790
Flexural Modulus 7.00 - 10.0 GPa1020 - 1450 ksiASTM D790
Izod Impact, Notched 0.700 - 1.30 J/cm
@Thickness 6.35 mm
1.31 - 2.44 ft-lb/in
@Thickness 0.250 in
ASTM D256
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity >= 1.00e+16 ohm-cm>= 1.00e+16 ohm-cmASTM D257
Surface Resistance >= 1.00e+14 ohm>= 1.00e+14 ohmASTM D257
Dielectric Constant 3.5
@Frequency 60 Hz
3.5
@Frequency 60 Hz
ASTM D150
Dielectric Strength 23.0 kV/mm
@Thickness 2.00 mm
584 kV/in
@Thickness 0.0787 in
ASTM D149
Dissipation Factor 0.0010
@Frequency 60 Hz
0.0010
@Frequency 60 Hz
ASTM D150
Arc Resistance 100 sec100 secASTM D495
 
Thermal PropertiesMetricEnglishComments
CTE, linear 30.0 µm/m-°C
@Temperature 20.0 °C
16.7 µin/in-°F
@Temperature 68.0 °F
ASTM D696
Melting Point 225 °C437 °FDSC
Deflection Temperature at 0.46 MPa (66 psi) 220 °C428 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 208 °C406 °FASTM D648
Flammability, UL94 V-0
@Thickness 3.17 mm
V-0
@Thickness 0.125 in

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PDOWELC39 / 30770

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