Product Name: PTMEG + TDI-Based Polyurethane Prepolymer
Chemical Type: Isocyanate-terminated polyurethane prepolymer
Main Raw Materials: PTMEG (Polytetramethylene Ether Glycol) and TDI (Toluene Diisocyanate)
Appearance: Light yellow to amber viscous liquid
Isocyanate Content (NCO%): 2.0% – 8.0% customizable
Viscosity (25°C): Tailored to customer requirements
Packing: 200kg drums / IBC totes
Origin: China
⭐ Product Overview
Our PTMEG + TDI polyurethane prepolymer is a high-performance isocyanate-terminated prepolymer, synthesized from polytetramethylene ether glycol (PTMEG) and toluene diisocyanate (TDI). This advanced formulation offers outstanding mechanical strength, exceptional hydrolysis resistance, and superior elasticity, making it ideal for demanding elastomer, coating, and adhesive applications.
The prepolymer is engineered to meet a wide range of industrial specifications, offering consistent reactivity, excellent processability, and optimal physical properties for cast polyurethane systems, TPU synthesis, and hot-cast elastomer parts.
✅ Key Benefits and Features
Excellent Elasticity and Flexibility – Ideal for dynamic and load-bearing applications
Superior Abrasion & Tear Resistance – Perfect for high-wear industrial components
High Hydrolysis and Oxidation Stability – Long-term durability even in humid environments
Wide Hardness Range – Adjustable Shore A/D based on NCO content and curing agent
Good Compatibility – Works with various chain extenders like MOCA, BDO, HQEE
Custom Formulations Available – Tailored NCO%, viscosity, and processing windows
🔧 Typical Technical Specifications
Property Typical Range
NCO Content 2.0% – 8.0%
Viscosity (25°C) 1,000 – 10,000 mPa·s
Appearance Light yellow transparent liquid
Free TDI Content < 0.3%
Storage Stability 6–9 months in sealed container at 5–30°C
Moisture Sensitivity High – use with dry nitrogen protection
🧪 Main Applications
Cast PU Elastomers: Rollers, wheels, gaskets, mining screens
TPU Synthesis: High-performance thermoplastic polyurethane for films, cables, tubing
PU Adhesives & Sealants: Strong adhesion for metals, rubber, and plastics
PU Coatings: Durable coatings for concrete, wood, and industrial floors
Footwear Midsoles and Outsoles: Excellent resilience and comfort under load
Sports Equipment & Automotive Parts: Shock-resistant, flexible components
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🌍 Why Choose Us as Your PTMEG + TDI Prepolymer Supplier?
🏭 Direct Manufacturer: ISO 9001-certified with stable bulk supply
🧪 R&D Support: Tailored formulations to meet your process and performance needs
🌐 Global Export Experience: Serving clients in 50+ countries
📦 Flexible Packaging: Available in drums, IBC totes, and tankers
📄 Complete Documentation: COA, MSDS, TDS, Reach & RoHS compliance
🔧 Technical Assistance: Professional engineers provide application guidance and troubleshooting
📩 Request a Sample or Quote Today
Whether you're producing cast PU parts, TPU pellets, or specialty adhesives, we have the expertise and capacity to deliver the right polyurethane prepolymer for your needs.
📧 Email: greilyn@beiqiao.net
📞 Phone/WhatsApp: +86-18853364460
👉 Contact us now for free technical consultation, quotation, and product data sheet!
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