TPU
List of Elastomer & Rubber
List of Plastic Material
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Price
$$$$$
Strength
Excellent flexibility, durability, and resistance to abrasion, tear, and weathering.
Weakness
Higher cost, and poor resistance to hydrolysis in hot and humid environments.
Common Application
Medical devices like catheters and tubing, protective cases for smartphones and tablets.
| Property | Metric | English |
|---|---|---|
| Density | 1.28-1.66 g/cm³ | 80-103lb/ft³ |
| Shore Hardness D | 55-83 | 55-83 |
| Tensile Strength | 52.4-79.3 MPa | 7600-11500 PSI |
| Elongation at Break | 10-86% | 10-86% |
| Min Temp. | -40~0°C | -40~32º F |
| Max Temp. | 100~120°C | 212~240º F |
*Please Note: Material properties are for reference only and may vary by brand.
How Additives Improve TPU Properties?
In TPU injection molding, TPU can be modified by incorporating additives into its formulation. Some common additives include,
- Plasticizers: Increase flexibility and softness, suitable for applications like flexible tubing or seals.
- Flame retardants: Improve fire resistance in automotive components.
- Stabilizers: Enhance UV resistance, making TPU suitable for outdoor applications.
- Colorants: Add color for aesthetic purposes or match branding requirements.
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Can TPU be recycled?
Yes, TPU can be recycled through various processes, including mechanical recycling and chemical recycling. Mechanical recycling involves grinding or shredding TPU waste into small particles, which can then be melted and molded into new products. Chemical recycling breaks down TPU into its molecular components, which can be used to create new TPU or other materials.
Is TPU suitable for outdoor applications?
TPU is suitable for outdoor applications due to its excellent weather resistance, UV resistance, and durability. It can withstand exposure to sunlight, moisture, and temperature fluctuations without significant degradation.
Is TPU suitable for use in food-contact applications?
TPU is commonly used in food-grade tubing, hoses, seals, gaskets, and other flexible components that come into direct or indirect contact with food.
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