Toyobo Riteflex® 440F Thermoplastic Copolyester Elastomer

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Toyobo Riteflex® 440F Thermoplastic Copolyester Elastomer
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyester Thermoplastic Elastomer
Material Notes:	Product Description: Riteflex 440F is a nominal 38 Shore D thermoplastic polyester elastomer with medium modulus and improved flow for injection molding applications and use as a performance modifier for TPE compounding. Availability: Africa & Middle East; Europe; Asia Pacific; Latin America; North America Features: High Flow Form: Pellets Processing Method: Film Extrusion; Injection Molding Information provided by Celanese
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Physical Properties	Original Value	Comments

Density	1.11 g/cc	ISO 1183
Water Absorption at Saturation	0.60 %	ISO 62
Maximum Moisture Content	0.050
Linear Mold Shrinkage, Flow	0.012 - 0.014 cm/cm	ISO 294-4
Melt Flow	25 g/10 min @Load 2.16 kg, Temperature 220 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore A	88 @Time 15.0 sec	ISO 868
Hardness, Shore D	36 @Time 15.0 sec	ISO 868
Tensile Strength at Break	2610 psi	ISO 527-2/50
Tensile Stress	1020 psi @Strain 50 %	ISO 527-2/50
Elongation at Break	>= 500 %	ISO 527-2/50
Tensile Modulus	7250 psi	ISO 527-1
Flexural Strength	580 psi	ISO 178
	290 psi @Strain 3.5 %	ISO 178
Flexural Modulus	6530 psi	ISO 178
Charpy Impact Unnotched	NB @Temperature -30.0 °C	ISO 179/1eU
	NB @Temperature 22.8 °C	ISO 179/1eU
Charpy Impact, Notched	NB @Temperature -30.0 °C	ISO 179/1eA
	NB @Temperature 22.8 °C	ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	2.00e+12 ohm-cm	IEC 62631-3-1
Surface Resistance	2.00e+15 ohm	IEC 62631-3-2
Dielectric Constant	5.0 @Frequency 1e+6 Hz	IEC 60250
Dissipation Factor	0.020 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	100 - 174 V	UL 746A

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	13.0 µin/in-°F	ISO 11359-2
Melting Point	383 °F	ISO 11357-3
Deflection Temperature at 0.46 MPa (66 psi)	117 °F	Unannealed; ISO 75-2/B
Vicat Softening Point	261 °F	ISO 306/B50

Processing Properties	Original Value	Comments
Processing Temperature	68.0 - 122 °F	Hopper
	374 - 419 °F	Hot Runner
Feed Temperature	365 - 392 °F	Injection
Rear Barrel Temperature	365 - 392 °F
Middle Barrel Temperature	365 - 410 °F
Front Barrel Temperature	365 - 410 °F
Nozzle Temperature	374 - 419 °F
Zone 4	365 - 419 °F	Injection
Melt Temperature	374 - 419 °F
Mold Temperature	68.0 - 131 °F
Drying Temperature	212 - 248 °F
Dry Time	4.00 hour

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PHCQ6315 / 311008

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