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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