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Thermoplastic Polyurethane（TPU）

  • Thermoplastic Polyurethane（TPU）
  • Thermoplastic Polyurethane（TPU）
  • Thermoplastic Polyurethane（TPU）

Thermoplastic Polyurethane（TPU）

CAS No.: 1211-14-9
Molecular Formula:C13H24N2O.BrH
Molecular Weight:315.23300

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Product Description

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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Shipping and Transportation

Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!

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FAQ

Q1: What international standards do your products and services comply with?

A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.


Q2: How long does it take for goods to be delivered to my country?
A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.


Q3: Can you provide customs clearance services for dangerous chemicals?
A3: Yes. Our team is proficient in the customs clearance procedures for dangerous chemicals in various countries, and can provide professional compliant declaration and customs clearance services to ensure smooth customs clearance.


Q4: Do you provide customized product and service solutions?
A4: Yes. We can provide personalized product customization and export service solutions according to your specific needs (product specifications, application scenarios, procurement volume, etc.).

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Polyether Polyols

Polyether polyols are oligomers featuring ether linkages in the backbone and multiple terminal hydroxyl groups, primarily produced through the addition polymerization of an initiator and an epoxide. They are core raw materials in the polyurethane industry and are widely used in applications such as foams, coatings, and adhesives.

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