Imagine needing a product that combines the flexibility of rubber with the strength of plastic while resisting harsh environmental conditions. This might sound like an impossible challenge, but thermoplastic polyurethane (TPU) injection molding technology makes it achievable with remarkable precision.
TPU: The Perfect Balance of Flexibility and Durability
TPU stands as an exceptional thermoplastic elastomer that perfectly blends rubber's elasticity with plastic's strength and outstanding durability. These unique material properties make TPU an ideal choice for various applications, from industrial components to consumer goods.
Two high-performance TPU materials are available to meet different design requirements:
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Texin 245D: Oil and fuel resistant, food-grade safe
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Texin 983A: Hydrolysis resistant, food-grade safe
Precision TPU Injection Molding Technology
Advanced injection molding techniques ensure high-precision, quality TPU components. Specialized processes account for TPU's unique flow characteristics and shrinkage rates, guaranteeing accurate design realization. Both small-batch customization and large-scale production requirements can be accommodated with efficient turnaround times.
Texin 245D: Superior Oil and Fuel Resistance
This harder TPU grade offers exceptional abrasion resistance, chemical resistance, and oil/fuel tolerance. Its FDA-compliant food contact certification makes it suitable for food and beverage industry applications.
Texin 983A: Excellent Hydrolysis Resistance
A softer TPU variant provides outstanding flexibility and elasticity with superior hydrolysis resistance, maintaining physical properties even in humid environments. This material also meets FDA food contact standards for broad applicability.
TPU Material Property Comparison
| Property |
Test Method |
Texin 245D |
Texin 983A |
| Flexural Modulus |
ASTM D790 |
73°F (23°C): 9,990 psi; 158°F (70°C): 7,500 psi |
-22°F (-30°C): 8,560 psi; 73°F (23°C): 3,900 psi |
| Abrasion Resistance |
ASTM D1044 |
70 mg |
30 mg |
| Tensile Stress |
ASTM D412 |
50% strain: 1,100 psi; 100% strain: 1,310 psi; 300% strain: 3,000 psi |
100% strain: 798 psi; 300% strain: 1,200 psi |
| Tear Strength |
ISO 34-1 |
700 lb/in |
500 lb/in |
| Elongation at Break |
ASTM D412 |
500% |
670% |
| FDA Food Contact |
|
Compliant |
Compliant |
| Oil/Fuel Resistance |
|
Excellent |
Good |
| Hydrolysis Resistance |
|
Good |
Excellent |
Applications of TPU Injection Molded Components
TPU's exceptional properties enable widespread use across multiple industries:
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Industrial: Wheels, gears, hoses, gaskets requiring abrasion, oil, and chemical resistance
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Consumer Goods: Footwear, tubing, films needing flexibility, durability, and aesthetics
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Medical: Device components, catheters requiring biocompatibility and sterilization resistance
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Automotive: Interior parts, seals demanding weather and temperature resistance
Industrial Applications
TPU wheels demonstrate outstanding wear resistance and load capacity for industrial equipment and transport systems. Gears benefit from TPU's vibration damping and noise reduction properties while extending service life. Hoses maintain flexibility under pressure for various fluid transfer applications, while gaskets provide reliable sealing against corrosion.
Consumer Products
Footwear components leverage TPU's abrasion resistance and elasticity for enhanced comfort. Tubing applications capitalize on the material's chemical resistance for industrial and medical uses.
The versatility of TPU injection molding continues to expand across industries, offering engineers and designers unprecedented material performance for challenging applications.
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