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Goodfellow TPX® DX845 Extrusion Grade Polymethylpentene

Category Polymer , Thermoplastic , Polymethylpentene (PMP) , Polymethylpentene, Molded
Manufacturer Goodfellow
Trade Name TPX®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Goodfellow TPX® DX845 Extrusion Grade Polymethylpentene.pdf
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Material Notes:
This grade is highly recommended for film extrusion; also for injection molding, fiber extrusion and blow molding.TPX® is semi-crystalline, transparent, very light and - for a polyolefin - expensive. It has good release characteristics and good high frequency electrical and valuable acoustic/ultrasonic properties. Applications include medical and laboratory apparatus, microwave components and cookware and electronic components.Information provided by Goodfellow. TPX® is a trademark of Mitsui.
Physical Properties Metric English Comments
Density 0.833 g/cc
0.0301 lb/in³
ASTM D1505
Water Absorption <= 0.010 %
<= 0.010 %
ASTM D570
Linear Mold Shrinkage, Flow 0.015 cm/cm
0.015 in/in
MCI Method 2
Linear Mold Shrinkage, Transverse 0.012 cm/cm
0.012 in/in
MCI Method 2
Melt Flow 9.0 g/10 min

@Load 5.00 kg,
Temperature 260 °C
9.0 g/10 min

@Load 11.0 lb,
Temperature 500 °F
ASTM D1238
Spiral Flow 50.0 cm
19.7 in
MCI Method 1
Mechanical Properties Metric English Comments
Hardness, Rockwell R 87
87
ASTM D785
Tensile Strength 25.0 MPa
3630 psi
ASTM D638
Tensile Strength, Yield 30.0 MPa
4350 psi
ASTM D638
Elongation at Break 12 %
12 %
ASTM D638
Tensile Modulus 1.90 GPa
276 ksi
ASTM D638
Flexural Strength 47.0 MPa
6820 psi
ASTM D790
Flexural Modulus 1.60 GPa
232 ksi
ASTM D790
Izod Impact, Notched 0.200 J/cm
0.375 ft-lb/in
ASTM D256
Izod Impact, Unnotched (ISO) 10.0 kJ/m²
4.76 ft-lb/in²
Thermal Properties Metric English Comments
CTE, linear 117 µm/m-°C
65.0 µin/in-°F
ASTM E831
Melting Point 233 °C
451 °F
DSC Peak; JIS K7121
Deflection Temperature at 0.46 MPa (66 psi) 127 °C
261 °F
ASTM D648
Vicat Softening Point 174 °C
345 °F
ASTM D1525
Optical Properties Metric English Comments
Refractive Index 1.46
1.46
ASTM D542
Haze 1.1 %
1.1 %
ASTM D1003
Transmission, Visible 94 %
94 %
ASTM D1003
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+16 ohm-cm
>= 1.00e+16 ohm-cm
ASTM D257
Dielectric Constant 2.1
2.1
ASTM D150
Dielectric Strength 65.0 kV/mm
1650 kV/in
ASTM D149
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