Texin? 270
Thermoplastic Polyurethane Elastomer (Polyester)
Texin 270 resin is an aromatic polyester-based thermoplastic polyurethane with a Shore hardness of approximately 70D. It can be processed by injection molding; extrusion processes are not recommended.
Features | - Fuel Resistant，Good Tear Strength，High Stiffness，Oil Resistant
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Uses | - Gears，Sporting Goods，Wheels
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Agency Ratings | - FDA 21 CFR 177.1680，F(xiàn)DA 21 CFR 177.2600
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Appearance | |
Processing Method | |
Density / Specific Gravity |
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-- | 1.24 |
| ASTM D792 |
-- | 1.24 | 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 (Shore D) | 70 |
| ASTM D2240, ISO 868 |
Flexural Modulus |
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| ASTM D790, ISO 178 |
-22°F | 422000 | psi |
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73°F | 105000 | psi |
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158°F | 14900 | psi |
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Taber Abrasion Resistance |
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1000 Cycles, 1000 g, H-18 Wheel | 90.0 | mg | ASTM D1044 |
1000 Cycles, 1000 g, H-18 Wheel | 90.0 | mg | ISO 4649 |
Tensile Stress |
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| ASTM D412, ISO 37 |
50% Strain | 4100 | psi |
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100% Strain | 4210 | psi |
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300% Strain | 6210 | psi |
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Tensile Strength (Yield) | 8210 | psi | ASTM D412, ISO 37 |
Tensile Elongation (Break) | 400 | % | ASTM D412, ISO 37 |
Tear Strength |
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-- 2 | 1300 | lbf/in | ASTM D624 |
-- | 1300 | lbf/in | ISO 34-1 |
Compression Set |
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| ASTM D395B, ISO 815 |
73°F, 22 hr | 50 | % |
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73°F, 22 hr 3 | 30 | % |
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158°F, 22 hr | 85 | % |
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158°F, 22 hr 3 | 45 | % |
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Bayshore Resilience | 55 | % | ASTM D2632 |
