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TDI (Toluene Diisocyanate)

 
 
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TDI (Toluene Diisocyanate)

TDI (Toluene Diisocyanate) is a highly reactive isocyanate monomer, registered under CAS No. 26471-62-5, and is recognized as one of the most essential base chemicals in the Polyurethane (PU) industry.

The product appears as a clear, colorless to pale yellow liquid, offering excellent fluidity and high chemical reactivity, making it suitable for a wide range of PU synthesis reactions and molding processes.

TDI is widely applied in the production of flexible PU foam, elastomers, PU coatings, adhesives, and sealants, providing improved elasticity, rebound resilience, flexibility, and mechanical durability. It is extensively used in sofa cushions, mattresses, automotive seats, footwear materials, packaging foam, and various industrial foams. With good processing stability, TDI enables uniform foaming and enhances comfort and service life of end products.

In summary, TDI is a core raw material for PU manufacturing, known for fast reactivity, outstanding mechanical performance, and broad application versatility, and is considered an indispensable chemical building block in the global production of flexible PU foam and polyurethane elastomers.

Applications in Industry

1. Footwear and Polyurethane Elastomers
TDI is a key polyurethane raw material in the footwear industry, widely used in PU outsoles, elastomeric midsoles, and insole formulations. It provides excellent resilience, lightweight properties, and durability, making it an essential component for footwear that requires comfort and structural support.

2. Flexible Polyurethane Foam
Applied in automotive seats, mattresses, sofas, cushioning foam for packaging, and sound-absorbing materials, offering superior elasticity, comfort, and processing performance.

3. Coatings and Adhesives
Used in PU coatings, elastic adhesives, and sealants to enhance abrasion resistance, flexibility, and adhesion strength.

4. Other Industrial Uses
Suitable for engineering-grade polyurethane elastomers and coated materials, meeting industrial demands for improved wear resistance and extended service life.

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