Celanese Riteflex® 672 TPC, Unfilled

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Celanese Riteflex® 672 TPC, Unfilled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyester Thermoplastic Elastomer
Material Notes:	Riteflex 672 is a 72 Shore D Hardness thermoplastic polyester elastomer with a high modulus. Information provided by Celanese
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Physical Properties	Original Value	Comments

Specific Gravity	1.25 g/cc	ASTM D792
Density	1.26 g/cc	ISO 1183
Water Absorption	0.20 % @Temperature 22.8 °C	24hr immersion; ASTM D570
Linear Mold Shrinkage, Flow	0.017 - 0.022 cm/cm	ISO 294-4
	0.020 cm/cm	ASTM D955
Linear Mold Shrinkage, Transverse	0.017 - 0.022 cm/cm	ISO 294-4
Melt Flow	10 - 15 g/10 min	ASTM D1238
	16 g/10 min @Load 2.16 kg, Temperature 240 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore D	70	ISO 868
	72	15 sec; ISO 868
	72	ASTM D2240
Tensile Strength at Break	40.0 MPa	ISO 527-1/2
	4240 psi	ASTM D638
Tensile Strength, Yield	28.0 MPa	50mm/min; ISO 527-2/1A
Tensile Stress at Strain	21.0 MPa @Strain 5.0 %	ISO 527-1/2
	25.0 MPa @Strain 50 %	ISO 727-1/2
	27.0 MPa @Strain 10 %	ISO 527-1/2
Elongation at Break	>= 50 %
	300 %	ASTM D638
Elongation at Yield	19 %	50mm/min; ISO 527-2/1A
Tensile Modulus	500 MPa	50mm/min; ISO 527-2/1A
	92100 psi	ASTM D638
Flexural Strength	22.0 MPa	ISO 178
Flexural Modulus	450 MPa	ISO 178
	74200 psi	ASTM D790
	2400 MPa @Temperature -40.0 °C	ISO 178
	343700 psi @Temperature -40.0 °C	ASTM D790
Resilience	40	Bayshore, %; ASTM D2632
	40	Bayshore, %
Flex Crack Resistance	>= 1.00e+6	Ross flex
Izod Impact, Notched	4.10 ft-lb/in	ASTM D256
	0.700 ft-lb/in @Temperature -40.0 °C	ASTM D256
Izod Impact, Notched (ISO)	4.80 kJ/m²	ISO 180
	16.0 kJ/m²	ISO 180/1A
Charpy Impact Unnotched	NB	ISO 179/1eU
	NB @Temperature -30.0 °C	ISO 179/1eU
Charpy Impact, Notched	19.0 kJ/m²	ISO 179/1eA
	4.50 kJ/m² @Temperature -30.0 °C	ISO 179/1eA
Tear Strength	193 kN/m	ISO 34-1
	1220 pli	ASTM D624
	1240 pli	ASTM D1004
Taber Abrasion, mg/1000 Cycles	30	ASTM D4060
Compression Set	<= 1.0 %	ASTM D395

Electrical Properties	Original Value	Comments
Surface Resistance	2.00e+17 ohm	IEC 60093
Dielectric Constant	3.7 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	28.0 kV/mm	IEC 60243-1
Dissipation Factor	0.040 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	>= 600 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear	96.0 µin/in-°F	ASTM D696
CTE, linear, Parallel to Flow	140 µm/m-°C	ISO 11359-2
Melting Point	215 °C	10°C/min; ISO 11357-1,-2,-3
	417 °F	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	118 °C	ISO 75-1, -2
Vicat Softening Point	399 °F	ASTM D1525
Glass Transition Temp, Tg	-10.0 °F	ASTM D3418
Flammability, UL94	HB
	HB @Thickness 1.50 mm

Processing Properties	Original Value	Comments
Processing Temperature	20.0 - 55.0 °C	cavity
	220 - 235 °C	hot runner
Feed Temperature	200 - 215 °C
Zone 1	215 - 230 °C
Zone 2	215 - 230 °C
Zone 3	215 - 230 °C
Zone 4	215 - 230 °C
Die Temperature	215 - 230 °C
Melt Temperature	220 - 235 °C
Drying Temperature	100 - 110 °C
Dry Time	4.00 hour
Moisture Content	<= 0.050 %

Descriptive Properties
Injection molding	Yes
Injection speed	medium-fast

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