Toyobo Riteflex® 672A Thermoplastic Copolyester Elastomer

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Toyobo Riteflex® 672A Thermoplastic Copolyester Elastomer
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyester Thermoplastic Elastomer
Material Notes:	Product Description: Riteflex 672A is a 72 Shore D Hardness thermoplastic polyester elastomer with a high modulus. Availability: Africa & Middle East; Europe; Asia Pacific; Latin America; North America Processing Method: Injection Molding Information provided by Celanese
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Physical Properties	Metric	English	Comments

Maximum Moisture Content	0.050	0.050
Linear Mold Shrinkage	0.017 - 0.022 cm/cm	0.017 - 0.022 in/in	ISO 294-4
Linear Mold Shrinkage, Transverse	0.017 - 0.020 cm/cm	0.017 - 0.020 in/in	ISO 294-4

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	22.0 MPa	3190 psi	ISO 527-2/50
Elongation at Break	>= 50 %	>= 50 %	Nominal; ISO 527-2/50
Charpy Impact, Notched	0.504 J/cm² @Temperature -30.0 °C	2.40 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA
	1.89 J/cm² @Temperature 22.8 °C	9.00 ft-lb/in² @Temperature 73.0 °F	ISO 179/1eA

Thermal Properties	Metric	English	Comments
Melting Point	215 °C	419 °F	ISO 11357-3
Deflection Temperature at 0.46 MPa (66 psi)	95.0 °C	203 °F	Unannealed; ISO 75-2/B
Vicat Softening Point	205 °C	401 °F	ISO 306/B50

Processing Properties	Metric	English	Comments
Processing Temperature	20.0 - 50.0 °C	68.0 - 122 °F	Hopper
	220 - 235 °C	428 - 455 °F	Hot Runner
Feed Temperature	200 - 215 °C	392 - 419 °F	Injection
Rear Barrel Temperature	215 - 230 °C	419 - 446 °F
Middle Barrel Temperature	215 - 230 °C	419 - 446 °F
Front Barrel Temperature	215 - 230 °C	419 - 446 °F
Nozzle Temperature	215 - 230 °C	419 - 446 °F
Zone 4	215 - 230 °C	419 - 446 °F	Injection
Melt Temperature	220 - 235 °C	428 - 455 °F
Mold Temperature	20.0 - 55.0 °C	68.0 - 131 °F
Drying Temperature	100 - 110 °C	212 - 230 °F
Dry Time	4.00 hour	4.00 hour

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PHCQ6317 / 311010

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