Mitsui TPX® RT18 Methylpentene Copolymer, Transparent Grade

Category	Polymer , Thermoplastic , Polymethylpentene (PMP)
Manufacturer	Mitsui Chemicals America
Trade Name	TPX®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Mitsui TPX® RT18 Methylpentene Copolymer, Transparent Grade.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

TPX® is a 4-methylpentene-1 based polyolefin with a unique combination of transparency, heat and chemical resistant qualities. 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 cellsMedical instrumentsLaboratory wareCoffee maker partsCosmetic containersExtrusion Molded Items: Sight glass (pipes, sheets)Baking cartons (food containers)Release paperWire and cable coatingFilmsMolding Method: InjectionExtrusionInformation provided by Mitsui.

Physical Properties	Metric	English	Comments
Density	0.833 g/cc	0.0301 lb/in³	ASTM D1505
Water Absorption	0.010 %	0.010 %	24 hours; ASTM D570
Linear Mold Shrinkage	0.021 cm/cm	0.021 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	85	85	ASTM D785
Tensile Strength at Break	17.2 MPa	2490 psi	5mm/min; ASTM D638
Tensile Strength, Yield	23.0 MPa	3340 psi	5mm/min; ASTM D638
Elongation at Break	25 %	25 %	MPC method, 5mm/min
Modulus of Elasticity	1.28 GPa	186 ksi	Tangent; ASTM D790
Flexural Strength	35.3 MPa	5120 psi	2mm/min; ASTM D790
Flexural Stiffness	965 MPa	140000 psi	Olsen Stiffness; ASTM D747
Izod Impact, Unnotched (ISO)	14.7 kJ/m² @Thickness 2.00 mm, Temperature 20.0 °C	6.99 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

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)	90.0 °C	194 °F	ASTM D648
Vicat Softening Point	173 °C	343 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Refractive Index	1.463	1.463	n20 D; ASTM D542
Haze	2.0 %	2.0 %	ASTM D1746
Transmission, Visible	80 %	80 %	Mfr. indicates clear but does not quantify

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

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

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