Celanese Riteflex® 677 TPC, Unfilled

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Celanese Riteflex® 677 TPC, Unfilled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyester Thermoplastic Elastomer
Material Notes:	Riteflex 677 is a thermoplastic polyester elastomer with nominal hardness of 77 shore D and high modulus. Information provided by Celanese
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Physical Properties	Original Value	Comments

Specific Gravity	1.29 g/cc	ASTM D792
Density	1.27 g/cc	ISO 1183
Water Absorption	0.10 % @Temperature 22.8 °C	24hr immersion; ASTM D570
Viscosity	461200 cP
Linear Mold Shrinkage, Flow	0.020 cm/cm	ASTM D955
	0.018 - 0.022 cm/cm	ISO 294-4
Linear Mold Shrinkage, Transverse	0.017 - 0.022 cm/cm	ISO 294-4
Melt Flow	12 - 16 g/10 min	ASTM D1238
	15 g/10 min @Load 2.16 kg, Temperature 240 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore D	75	15 sec; ISO 868
	77	ASTM D2240
Tensile Strength at Break	42.0 MPa	50mm/min; ISO 527-2/1A
Tensile Strength, Yield	33.0 MPa	50mm/min; ISO 527-2/1A
	5000 psi	ASTM D638
Tensile Stress at Strain	26.0 MPa @Strain 50 %	ISO 527-2/1A
	26.0 MPa @Strain 50 %	ISO 727-1/2
	32.0 MPa @Strain 5.0 %	ISO 527-1/2
	36.0 MPa @Strain 10 %	ISO 527-1/2
Elongation at Break	>= 50 %
	310 %	ASTM D638
	350 %	50mm/min; ISO 527-2/1A
Elongation at Yield	15 %	50mm/min; ISO 527-2/1A
Tensile Modulus	750 MPa	50mm/min; ISO 527-2/1A
	100000 psi	ASTM D638
Flexural Strength	30.0 MPa	ISO 178
	23.0 MPa @Strain 3.5 %	ISO 178
Flexural Modulus	650 MPa	ISO 178
	100000 psi	ASTM D790
	2500 MPa @Temperature -40.0 °C	ISO 178
Resilience	40	Bayshore, %; ASTM D2632
	40	Bayshore, %
Izod Impact, Notched	4.10 ft-lb/in	ASTM D256
	0.700 ft-lb/in @Temperature -40.0 °C	ASTM D256
Izod Impact, Unnotched	NB	ASTM D256
Izod Impact, Notched (ISO)	4.70 kJ/m²	ISO 180
	8.50 kJ/m²	ISO 180/1A
	NB @Temperature 23.0 °C	ISO 180/1U
Charpy Impact Unnotched	71.0 kJ/m²	ISO 179/1eU
	4.50 kJ/m² @Temperature -30.0 °C	ISO 179/1eU
Charpy Impact, Notched	9.40 kJ/m²	ISO 179/1eA
Tear Strength	250 kN/m	ISO 34-1
	2040 pli	ASTM D624
	2065 pli	ASTM D1004

Electrical Properties	Original Value	Comments
Volume Resistivity	5.00e+14 ohm-cm	ASTM D257
	4.00e+16 ohm-cm	IEC 60093
Surface Resistance	2.00e+17 ohm	IEC 60093
Dielectric Constant	3.3 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	16.0 kV/mm	IEC 60243-1
	380 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	140 µm/m-°C	ISO 11359-2
Melting Point	218 °C	10°C/min; ISO 11357-1,-2,-3
	423 °F	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	109 °C	ISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi)	51.0 °C	ISO 75-1, -2
Flammability, UL94	HB
	HB @Thickness 1.50 mm

Processing Properties	Original Value	Comments
Processing Temperature	20.0 - 55.0 °C	cavity
	235 - 260 °C	hot runner
Feed Temperature	230 - 240 °C
Zone 1	230 - 240 °C
Zone 2	235 - 250 °C
Zone 3	235 - 250 °C
Zone 4	240 - 260 °C
Die Temperature	240 - 260 °C
Melt Temperature	235 - 260 °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

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PHCQ457 / 178912

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