Celanese Riteflex® 655A TPC, Unfilled

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Celanese Riteflex® 655A TPC, Unfilled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyester Thermoplastic Elastomer
Material Notes:	Riteflex 655A is a thermoplastic polyester elastomer with nominal shore D hardness of 55 and medium modulus. Information provided by Celanese
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Physical Properties	Original Value	Comments

Specific Gravity	1.19 g/cc	ASTM D792
Density	1.19 g/cc	ISO 1183
Density of Compound	1.19 g/cc	Indicative (PE only); ISO 1872-1
Water Absorption	0.40 % @Temperature 22.8 °C	24hr immersion; ASTM D570
Linear Mold Shrinkage, Flow	0.015 cm/cm	ASTM D955
	0.016 - 0.019 cm/cm	ISO 294-4
Linear Mold Shrinkage, Transverse	0.017 - 0.021 cm/cm	ISO 294-4
Melt Flow	7.0 - 11 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	55	ASTM D2240
	55	15 sec; ISO 868
Tensile Strength at Break	30.0 MPa	50mm/min; ISO 527-2/1A
	3650 psi	ASTM D638
Tensile Strength, Yield	15.0 MPa	50mm/min; ISO 527-2/1A
Tensile Stress at Strain	8.00 MPa @Strain 5.0 %	ISO 527-1/2
	12.0 MPa @Strain 10 %	ISO 527-1/2
	15.0 MPa @Strain 50 %	ISO 727-1/2
	15.0 MPa @Strain 50 %	ISO 527-2/1A
Elongation at Break	>= 300 %
	430 %	ASTM D638
Elongation at Yield	28 %	50mm/min; ISO 527-2/1A
Tensile Modulus	175 MPa	50mm/min; ISO 527-2/1A
	34900 psi	ASTM D638
Flexural Strength	10.0 MPa	ISO 178
	7.00 MPa @Strain 3.5 %	ISO 178
Flexural Modulus	175 MPa	ISO 178
	30500 psi	ASTM D790
	86.0 MPa @Temperature 100 °C	ISO 178
	700 MPa @Temperature -40.0 °C	ISO 178
	98200 psi @Temperature -40.0 °C	ASTM D790
Resilience	48	Bayshore, %; ASTM D2632
	48	Bayshore, %
Flex Crack Resistance	>= 1.00e+6	Ross flex
Izod Impact, Notched	NB	ASTM D256
	2.70 ft-lb/in @Temperature -40.0 °C	ASTM D256
Izod Impact, Notched (ISO)	NB @Temperature -30.0 °C	ISO 180/1A
Charpy Impact Unnotched	NB	ISO 179/1eU
	NB @Temperature -30.0 °C	ISO 179/1eU
Charpy Impact, Notched	150 kJ/m²	partial break; ISO 179/1eA
	65.0 kJ/m² @Temperature -30.0 °C	partial break; ISO 179/1eA
Tear Strength	124 kN/m	ISO 34-1
	1205 pli	ASTM D624
	1240 pli	ASTM D1004
Compression Set	<= 1.0 %	ASTM D395

Electrical Properties	Original Value	Comments
Volume Resistivity	4.00e+12 ohm-cm	IEC 60093
	5.00e+12 ohm-cm	ASTM D257
Surface Resistance	4.00e+15 ohm	IEC 60093
Dielectric Constant	4.4 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	14.0 kV/mm	IEC 60243-1
	350 V/mil	short term; ASTM D149
Dissipation Factor	0.040 @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	200 µm/m-°C	ISO 11359-2
CTE, linear, Transverse to Flow	170 µm/m-°C	ISO 11359-2
Melting Point	200 °C	10°C/min; ISO 11357-1,-2,-3
	392 °F	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	75.0 °C	ISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi)	48.0 °C	ISO 75-1, -2
Vicat Softening Point	358 °F	ASTM D1525
Glass Transition Temp, Tg	-70.0 °F	ASTM D3418
Flammability, UL94	HB @Thickness 1.50 mm

Processing Properties	Original Value	Comments
Processing Temperature	20.0 - 55.0 °C	cavity
	205 - 235 °C	hot runner
Feed Temperature	200 - 215 °C
Zone 1	200 - 215 °C
Zone 2	205 - 230 °C
Zone 3	205 - 230 °C
Zone 4	205 - 235 °C
Die Temperature	205 - 235 °C
Melt Temperature	205 - 235 °C
Drying Temperature	100 - 110 °C
Dry Time	4.00 hour
Moisture Content	<= 0.050 %

Compliance Properties	Original Value	Comments
FDA	No

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

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