Desmopan® 445
Thermoplastic Polyurethane Elastomer (Polyester)
injection molding grade; grease and oil-resistant; good heat resistance; low compression set; Application; Automotive engineering; Injection molded engineering parts
Features | - Grease Resistant，High Heat Resistance，Low Compression Set，Oil Resistant
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Uses | - Automotive Applications，Engineering Parts
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RoHS Compliance | |
Processing Method | |
Density |
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73°F | 1.22 | g/cm³ | ISO 1183 |
-- | 0.0441 | lb/in³ | ISO 1183 2 |
Shore Hardness |
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Shore A, 1 sec, 73°F | 93 |
| ISO 7619 |
Shore D, 1 sec, 73°F | 44 |
| ISO 7619 |
Shore A, 3 sec | 93 |
| ISO 868 2 |
Shore D, 15 sec | 44 |
| ISO 868 2 |
Tensile Stress 3 |
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| DIN 53504 |
Break, 73°F | 8180 | psi |
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10% Strain, 73°F | 798 | psi |
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50% Strain, 73°F | 1680 | psi |
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100% Strain, 73°F | 2070 | psi |
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300% Strain, 73°F | 4570 | psi |
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Tensile Strain 3 (Break, 73°F) | 490 | % | DIN 53504 |
Abrasion Resistance 4 | 25.0 | mm³ | ISO 4649 |
Tensile Storage Modulus |
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| ISO 6721 |
-4°F | 115 | ksi |
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68°F | 14.9 | ksi |
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140°F | 8.41 | ksi |
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Torsional Storage Modulus |
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| ISO 6721 |
-4°F | 40611 | psi |
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73°F | 3626 | psi |
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158°F | 2321 | psi |
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Tear Strength 5 (73°F) | 540 | lbf/in | ISO 34-1 |
Compression Set |
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| ISO 815 |
73°F, 72 hr | 25 | % |
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158°F, 24 hr 4 | 35 | % |
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Rebound Resilience | 35 | % | ISO 4662 |
Drying Temperature | < 230 | °F |
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Processing (Melt) Temp | 410 to 455 | °F |
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Mold Temperature | 68 to 104 | °F |
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