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Thermoplastic Polyurethane(TPU)

Thermoplastic Polyurethane(TPU)
CAS No.: 1211-14-9
Molecular Formula:C13H24N2O.BrH
Molecular Weight:315.23300
+86 18765828098
+86 18765828098
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Product Introduction

Thermoplastic polyurethane elastomer—also known as thermoplastic polyurethane rubber and abbreviated as TPU—is a polymer material synthesized from diisocyanates, oligomeric polyols, and chain extenders. It exhibits a unique "soft-hard" segmented structure: the "soft segments" consist primarily of oligomeric polyols and determine low-temperature performance and elasticity, while the "hard segments" are composed of diisocyanates and small-molecule chain extenders, influencing the softening/melting temperature and high-temperature performance.


CHEMICAL PROPERTIES

Chinese NameThermoplastic Polyurethane Elastomer
AliasElastic Rubber
ColorTransparent, translucent, transparent yellow base, natural color
Hardness65A–85D
Density1.05∼1.25 g/cm3
Linear Thermal Expansion Coefficient αL(100∼200)×10−6 ∘C−1
Gas Diffusion Coefficient Q(3∼4)×10−18 m2/(s⋅Pa)
Glass Transition Temperature Tgs−32∼−71 ∘C
Hard Segment Melting Temperature Tmh160∼230 ∘C
Soft Segment Melting Temperature Tms10∼50 ∘C
Enthalpy of Fusion ΔH2.0∼25 J/g
Specific Heat Capacity Δcp(1.67∼1.92)×103 J/(kg⋅K)


PRODUCT USAGE

Footwear and Sports Equipment: Represents the largest share (approx. 40%); used in athletic shoe soles, air cushions, waterproof-breathable uppers, and soccer ball outer layers, providing cushioning, abrasion resistance, and resistance to deformation.

Films and Protective Materials: Used to manufacture paint protection films (PPF), waterproof-breathable apparel fabrics, inflatable products, and mobile phone screen protectors; characterized by scratch self-healing, puncture resistance, and high moisture permeability.

Automotive Industry: Used for interior surfacing, seals, high-pressure hoses, cable sheathing, and airbag coatings; serves as a replacement for traditional rubber and PVC, offering oil and aging resistance.

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FAQ

Q: Are you a factory or a trading company?

A: We are a company integrating manufacturing and trading.

Q: Can you provide samples for testing before mass production?

A: Of course. We can send you samples free of charge, and we also include a COA. However, you will be responsible for the shipping fee.

Q: How can I get an accurate quote?

A: Please provide the exact product specifications, particle size, color, and intended use, and we will provide you with an accurate quote.

Q: Can you provide a COA?

A: Of course, but only for standard products. If you require an accurate COA, we will produce and test samples before providing you with an accurate COA.

Q: Do you accept ODM or OEM services?

A: Yes, we offer customized services for ingredients, packaging, and labeling. We have strong design capabilities. Please contact us to design your own brand.

Q: Can I visit your factory before placing a large order?

A: Of course. We welcome you at any time.

Q: What is the loading port?

A: Usually Qingdao or Tianjin.

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