Celanese Riteflex® 640A TPC, Unfilled

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Celanese Riteflex® 640A TPC, Unfilled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyester Thermoplastic Elastomer
Material Notes:	40 Shore D Hardness 12,300 PSI flexural modulus Information provided by Celanese
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Physical Properties	Original Value	Comments

Specific Gravity	1.15 g/cc	ASTM D792
Density	1.13 g/cc	ISO 1183
Water Absorption	0.50 % @Temperature 22.8 °C	24hr immersion; ASTM D570
Viscosity	351100 cP
Linear Mold Shrinkage, Flow	0.010 cm/cm	ASTM D955
	0.012 - 0.014 cm/cm	ISO 294-4
Melt Flow	8.0 - 12 g/10 min	ASTM D1238
	10 g/10 min @Load 2.16 kg, Temperature 220 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore D	40	ASTM D2240
	40
	40	15 sec; ISO 868
	40	ISO 868
Tensile Strength at Break	17.0 MPa	50mm/min; ISO 527-2/1A
	3000 psi	ASTM D638
Tensile Stress at Strain	3.00 MPa @Strain 5.0 %	ISO 527-1/2
	5.00 MPa @Strain 10 %	ISO 527-1/2
	8.00 MPa @Strain 50 %	ISO 727-1/2
	8.00 MPa @Strain 50 %	ISO 527-2/1A
Elongation at Break	>= 300 %
	480 %	ASTM D638
Tensile Modulus	75.0 MPa	50mm/min; ISO 527-2/1A
	13400 psi	ASTM D638
Flexural Strength	5.00 MPa	ISO 178
	3.00 MPa @Strain 3.5 %	ISO 178
Flexural Modulus	70.0 MPa	ISO 178
	12300 psi	ASTM D790
	115 MPa @Temperature -40.0 °C	ISO 178
	22400 psi @Temperature -40.0 °C	ASTM D790
Resilience	59	Bayshore, %; ASTM D2632
	59	Bayshore, %
Flex Crack Resistance	>= 1.00e+6	Ross flex
Izod Impact, Notched	NB	ASTM D256
	NB
Izod Impact, Notched (ISO)	NB @Temperature -30.0 °C	ISO 180/1U
	NB @Temperature 23.0 °C	ISO 180/1U
Charpy Impact Unnotched	NB	ISO 179/1eU
	NB @Temperature -30.0 °C	ISO 179/1eU
Charpy Impact, Notched	NB	ISO 179/1eA
	NB @Temperature -30.0 °C	ISO 179/1eA
Tear Strength	84.0 kN/m	ISO 34-1
	630 pli	ASTM D1004
	720 pli	ASTM D624
Taber Abrasion, mg/1000 Cycles	90	ASTM D4060
Compression Set	<= 1.5 %	ASTM D395

Electrical Properties	Original Value	Comments
Volume Resistivity	5.00e+12 ohm-cm	IEC 60093
	5.00e+12 ohm-cm	ASTM D257
Surface Resistance	3.00e+15 ohm	IEC 60093
Dielectric Constant	4.7 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	13.0 kV/mm	IEC 60243-1
	300 V/mil	short term; ASTM D149
Dissipation Factor	0.030 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	>= 600 V	ASTM D3638
	>= 600 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	220 µm/m-°C	ISO 11359-2
Melting Point	170 °C	10°C/min; ISO 11357-1,-2,-3
	356 °F	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	56.0 °C	ISO 75-1, -2
Vicat Softening Point	277 °F	ASTM D1525
Brittleness Temperature	-78.0 °C	ISO 974
Glass Transition Temp, Tg	-85.0 °F	ASTM D3418
Flammability, UL94	HB
	HB @Thickness 1.50 mm

Processing Properties	Original Value	Comments
Processing Temperature	20.0 - 55.0 °C	cavity
	170 - 205 °C	hot runner
Feed Temperature	160 - 180 °C
Zone 1	160 - 180 °C
Zone 2	170 - 200 °C
Zone 3	170 - 200 °C
Zone 4	170 - 205 °C
Die Temperature	170 - 205 °C
Melt Temperature	170 - 205 °C
Drying Temperature	100 - 110 °C
Dry Time	4.00 hour
Moisture Content	<= 0.050 %

Descriptive Properties
Injection molding	Yes
Injection speed	medium-fast
Processing type	Inj/Blow/Ext

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