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Celanese Riteflex® 640 Thermoplastic Polyester Elastomer (TPE)

Category Polymer , Thermoplastic , Elastomer, TPE , Polyester, TP , Polyester Thermoplastic Elastomer
Manufacturer Celanese Corporation
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Celanese Riteflex® 640 Thermoplastic Polyester Elastomer (TPE).pdf
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Material Notes:
Information provided by Celanese Corporation.
Physical Properties Metric English Comments
Density 1.15 g/cc
0.0415 lb/in³
ASTM D792
Water Absorption 0.50 %
0.50 %
ASTM D570
Linear Mold Shrinkage, Flow 0.010 cm/cm
0.010 in/in
ASTM D955
Melt Flow 8.0 - 12 g/10 min

@Temperature 220 °C
8.0 - 12 g/10 min

@Temperature 428 °F
Mechanical Properties Metric English Comments
Hardness, Shore D 40
40
ASTM D2240
Tensile Strength, Ultimate 21.0 MPa
3050 psi
ASTM D638
Tensile Strength, Yield 3.90 MPa
566 psi
5% Yield; ASTM D638
Elongation at Break 480 %
480 %
ASTM D638
Tensile Modulus 0.0920 GPa
13.3 ksi
ASTM D638
Flexural Modulus 0.0840 GPa
12.2 ksi
ASTM D790
Izod Impact, Notched NB
NB
ASTM D256
NB

@Temperature -40.0 °C
NB

@Temperature -40.0 °F
ASTM D 256
Tear Strength 110 kN/m
628 pli
ASTM D1004
130 kN/m
742 pli
ASTM D624
Taber Abrasion, mg/1000 Cycles 90
90
H-18 Wheel; 1000 g weight; ASTM D1044
Thermal Properties Metric English Comments
CTE, linear 221 µm/m-°C

@Temperature 20.0 °C
123 µin/in-°F

@Temperature 68.0 °F
ASTM E831
Melting Point 180 °C
356 °F
ASTM D1238
Maximum Service Temperature, Air 121 °C
250 °F
Vicat Softening Point 136 °C
277 °F
ASTM D1525
Processing Properties Metric English Comments
Melt Temperature 180 - 204 °C
356 - 399 °F
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