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Huntsman IROGRAN® A 95 K 4640 TPU-For Seals

Category Polymer , Thermoplastic , Elastomer, TPE , Polyurethane TPE , Polyurethane, TP
Manufacturer Huntsman Corporation
Trade Name IROGRAN®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Huntsman IROGRAN® A 95 K 4640 TPU-For Seals.pdf
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Material Notes:
Introduction: IROGRAN A95K 4640 is a caprolactone-based thermoplastic polyurethane. The material has been developed for injection molding applications requiring exceptional performance in terms of compression set, wear resistance and hydrolysis resistance over conventional polyester-based TPUs. IROGRAN A95K 4640 is part of the High Performance Injection Molding product range and offers a specially designed, flexible material suitable for the production of seals, wheels and rollers, coupling halves and o-rings.Performance Features: High wear resistanceLow compression set Short cycle timesExcellent hydrolysis resistanceResistant to high dynamic loads Information provided by Huntsman
Physical Properties Metric English Comments
Density 1.19 g/cc
0.0430 lb/in³
ASTM D792
Linear Mold Shrinkage 0.0080 cm/cm
0.0080 in/in
Melt Index of Compound 5.0 - 10 g/10 min

@Load 21.6 kg,
Temperature 210 °C
5.0 - 10 g/10 min

@Load 47.6 lb,
Temperature 410 °F
cm<sup>3</sup>/10 min
Mechanical Properties Metric English Comments
Hardness, Shore A 95
95
ASTM D2240
Hardness, Shore D 47
47
ASTM D2240
Tensile Strength at Break 53.0 MPa
7690 psi
ASTM D412
Tensile Strength, Yield 7.00 MPa

@Strain 20.0 %
1020 psi

@Strain 20.0 %
DIN 53504
Elongation at Break 450 %
450 %
ASTM D412
50% Modulus 0.00900 GPa
1.31 ksi
DIN 53504
100% Modulus 0.0115 GPa
1.67 ksi
DIN 53504
200% Modulus 0.0142 GPa
2.06 ksi
DIN 53504
300% Modulus 0.0204 GPa
2.96 ksi
DIN 53504
Tear Strength 105 kN/m
599 pli
ASTM D624
Abrasion 35
35
[mm<sup>3</sup>]; ASTM D395
Compression Set 14 %

@Temperature 23.0 °C,
Time 86400 sec
14 %

@Temperature 73.4 °F,
Time 24.0 hour
ASTM D395
23 %

@Temperature 70.0 °C,
Time 86400 sec
23 %

@Temperature 158 °F,
Time 24.0 hour
ASTM D395
25 %

@Temperature 100 °C,
Time 86400 sec
25 %

@Temperature 212 °F,
Time 24.0 hour
ASTM D395
38 %

@Temperature 100 °C,
Time 252000 sec
38 %

@Temperature 212 °F,
Time 70.0 hour
ASTM D395
Thermal Properties Metric English Comments
Vicat Softening Point 165 °C
329 °F
DIN 53372
Processing Properties Metric English Comments
Nozzle Temperature 200 °C
392 °F
Injection
Zone 1 205 °C
401 °F
Injection
Zone 2 205 °C
401 °F
Injection
Zone 3 205 °C
401 °F
Injection
Mold Temperature 25.0 - 70.0 °C
77.0 - 158 °F
Injection
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