Mitsui TPX® MX004 Methylpentene Copolymer

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Mitsui TPX® MX004 Methylpentene Copolymer
Categories:	Polymer; Thermoplastic; Polymethylpentene (PMP)
Material Notes:	TPX® is a 4-methylpentene-1 based polyolefin. TPX is used in a wide variety of applications, including: medical equipment, laboratory ware, small appliances, ovenware, baking cartons, release paper, wire and cable coating, and a number of industrial uses. TPX is manufactured and marketed solely by Mitsui Chemicals, Inc. Applications: Injection Molded Items: Blood test cells Medical instruments Laboratory ware Coffee maker parts Cosmetic containers Extrusion Molded Items: Sight glass (pipes, sheets) Baking cartons (food containers) Release paper Wire and cable coating Films Molding Method: Injection Extrusion Information provided by Mitsui.
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Physical Properties	Metric	English	Comments

Density	0.834 g/cc	0.0301 lb/in³	ASTM D1505
Water Absorption	0.010 %	0.010 %	24 hours; ASTM D570
Linear Mold Shrinkage	0.019 cm/cm	0.019 in/in	MPC method, MD
Linear Mold Shrinkage, Transverse	0.017 cm/cm	0.017 in/in	MPC method
Melt Flow	26 g/10 min @Load 5.00 kg, Temperature 260 °C	26 g/10 min @Load 11.0 lb, Temperature 500 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	60	60	ASTM D785
Tensile Strength at Break	17.2 MPa	2490 psi	5mm/min; ASTM D638
Tensile Strength, Yield	19.6 MPa	2840 psi	5mm/min; ASTM D638
Elongation at Break	85 %	85 %	MPC method, 5mm/min
Modulus of Elasticity	0.740 GPa	107 ksi	Tangent; ASTM D790
Flexural Strength	24.5 MPa	3550 psi	2mm/min; ASTM D790
Flexural Stiffness	621 MPa	90000 psi	Olsen Stiffness; ASTM D747
Izod Impact, Unnotched (ISO)	48.3 kJ/m² @Thickness 2.00 mm, Temperature 20.0 °C	23.0 ft-lb/in² @Thickness 0.0787 in, Temperature 68.0 °F	ASTM D256
Charpy Impact, Notched	0.420 J/cm² @Thickness 2.00 mm, Temperature 20.0 °C	2.00 ft-lb/in² @Thickness 0.0787 in, Temperature 68.0 °F	ASTM D256

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+16 ohm-cm	>= 1.00e+16 ohm-cm	ASTM D257
Dielectric Constant	2.12 @Frequency 100 - 1.00e+6 Hz	2.12 @Frequency 100 - 1.00e+6 Hz	ASTM D150
Dielectric Strength	65.0 kV/mm	1650 kV/in	ASTM D149

Thermal Properties	Metric	English	Comments
CTE, linear	117 µm/m-°C @Temperature 20.0 °C	65.0 µin/in-°F @Temperature 68.0 °F	ASTM D696
Specific Heat Capacity	1.97 J/g-°C	0.471 BTU/lb-°F	ASTM C351
Thermal Conductivity	0.167 W/m-K	1.16 BTU-in/hr-ft²-°F	BS 874A
Melting Point	240 °C	464 °F	MPC Method
Deflection Temperature at 0.46 MPa (66 psi)	85.0 °C	185 °F	ASTM D648
Vicat Softening Point	160 °C	320 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Refractive Index	1.463	1.463	n20 D; ASTM D542
Haze	1.0 %	1.0 %	ASTM D1746
Transmission, Visible	90 %	90 %	Mfr. indicates clear but does not quantify

Descriptive Properties
Appearance	Colorless transparent
Rate of Burning	2.54 cm/min		ASTM D635

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PMIT050 / 53231

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