Mitsui TPX? TPX MBZ230 Methylpentene Copolymer, Filled, Opaque Grade

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Subcategory: Polymer; Polymethylpentene; Thermoplastic

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.

Physical Properties	Metric	English	Comments
Density	1.08 g/cc	0.039 lb/in?	ASTM D1505
Water Absorption	0.11 %	0.11 %	24 hours; ASTM D570
Linear Mold Shrinkage	0.017 cm/cm	0.017 in/in	MPC method, MD
Linear Mold Shrinkage, Transverse	0.014 cm/cm	0.014 in/in	MPC method
Melt Flow	30 g/10 min	30 g/10 min	260?C, 5 kg; ASTM D1238
Mechanical Properties
Hardness, Rockwell R	90	90	ASTM D785
Tensile Strength at Break	16.7 MPa	2420 psi	At 23?C, 5mm/min; ASTM D638
Tensile Strength, Yield	23.5 MPa	3410 psi	At 23?C, 5mm/min; ASTM D638
Elongation at Break	25 %	25 %	MPC method, at 23?C, 5mm/min
Modulus of Elasticity	1.86 GPa	270 ksi	Tangent; ASTM D790
Flexural Strength	38.2 MPa	5540 psi	ASTM D790
Izod Impact, Unnotched (ISO)	14.7 kJ/m?	6.99 ft-lb/in?	At 20?C, 2mm; ASTM D256
Thermal Properties
Melting Point	240 ?C	464 ?F	MPC Method
Deflection Temperature at 0.46 MPa (66 psi)	110 ?C	230 ?F	ASTM D648
Vicat Softening Point	175 ?C	347 ?F	ASTM D1525
Descriptive Properties
Appearance	White Opaque
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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

Information provided by Mitsui.