Texin? 288
Thermoplastic Polyurethane Elastomer (Polyester)
Texin 288 is an aromatic polyester-based thermoplastic polyurethane with a hardness of approximately 88A. It can be processed by injection molding. Extrusion processes are also possible for some applications.
Features | |
Uses | - Bushings，Gears，Industrial Applications，Wheels
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Processing Method | - Extrusion，Injection Molding
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Density / Specific Gravity |
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-- | 1.20 |
| ASTM D792 |
-- | 1.20 | g/cm3 | ISO 1183 |
Molding Shrinkage |
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Flow : 0.100 in | 8.0E-3 | in/in | ASTM D955 |
Across Flow : 0.100 in | 8.0E-3 | in/in | ASTM D955 |
Across Flow : 0.100 in | 0.80 | % | ISO 2577 |
Flow : 0.100 in | 0.80 | % | ISO 2577 |
Durometer Hardness |
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| ASTM D2240, ISO 868 |
Shore A | 88 |
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Shore D | 38 |
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Flexural Modulus (73°F) | 6700 | psi | ASTM D790, ISO 178 |
Taber Abrasion Resistance |
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1000 Cycles, 1000 g, H-18 Wheel | 40.0 | mg | ASTM D1044 |
1000 Cycles, 1000 g, H-18 Wheel | 40.0 | mg | ISO 4649 |
Tensile Stress |
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| ASTM D412, ISO 37 |
100% Strain | 1000 | psi |
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300% Strain | 2900 | psi |
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Tensile Strength (Yield) | 6800 | psi | ASTM D412, ISO 37 |
Tensile Elongation (Break) | 500 | % | ASTM D412, ISO 37 |
Tear Strength |
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-- 2 | 600 | lbf/in | ASTM D624 |
-- | 600 | lbf/in | ISO 34-1 |
Compression Set |
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| ISO 815 |
73°F, 22 hr | 15 | % | ASTM D395 |
73°F, 22 hr 3 | 12 | % | ASTM D395B |
158°F, 22 hr | 52 | % | ASTM D395 |
158°F, 22 hr 3 | 21 | % | ASTM D395B |
Bayshore Resilience | 41 | % | ASTM D2632 |
Glass Transition Temperature | -49.0 | °F | DMA |
Vicat Softening Temperature | 275 | °F | ISO 306/A50, ASTM D1525 4 |
Drying Temperature - Desiccant Dryer | 210 to 230 | °F |
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Drying Time - Desiccant Dryer | 2.0 | hr |
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Suggested Max Moisture | < 0.030 | % |
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Suggested Max Regrind | 20 | % |
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Rear Temperature | 374 to 410 | °F |
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Middle Temperature | 374 to 419 | °F |
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Front Temperature | 392 to 428 | °F |
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Nozzle Temperature | 401 to 437 | °F |
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Processing (Melt) Temp | 401 to 419 | °F |
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Mold Temperature | 59 to 104 | °F |
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Injection Pressure | 6000 to 15000 | psi |
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Injection Rate | Slow-Moderate |
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Back Pressure | < 200 | psi |
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Screw Speed | 40 to 80 | rpm |
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Cushion | < 0.125 | in |
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