Polyester TDI castable polyurethane prepolymer is a reactive compound based on polyester polyols and TDI. It is widely used to produce polyurethane products known for their high strength, abrasion resistance, and excellent elasticity. This prepolymer offers good processing performance and can maintain stable physical properties in high-temperature environments, while also providing excellent adhesion and chemical resistance.
Composition
1,This product is a Polyester Polyol and toluene diisocyanate (T-100) in the synthesis of polyester polyurethane prepolymer
2, Features: excellent wear resistance, oil resistance, mechanical properties
properties
Polyester TDI castable polyurethane prepolymer has excellent wear and impact resistance, making it ideal for industrial applications that demand durability and long-lasting physical properties.
Excellent Oil and Chemical Resistance
The polyester structure imparts superior oil and chemical resistance, making it suitable for environments involving contact with oils, solvents, and other chemicals.
High Elasticity and Tear Resistance
It has high elasticity and tear resistance, making it suitable for parts that undergo repeated bending and stretching, maintaining durability in dynamic conditions.
Exceptional Low-Temperature Performance
This prepolymer remains flexible and durable in low-temperature environments, making it suitable for cold climates or low-temperature operating conditions.
Superior Processing Performance
Applicable in various forming processes such as injection molding, pressing, and coating. It has excellent flowability and fast curing times, enhancing production efficiency.
| Model | BQ1042 | BQ1050 | BQ1060 |
| NCO content % | 4.2±0.2 | 5.0±0.2 | 6.0±0.2 |
| State of matter at 20°C | white solid | ||
| Hardener | MOCA | ||
| 100g prepolymer curing agent dosage (g) | 12.4 | 14.8 | 17.7 |
| Prepolymer/curing agent mixing temperature (°C) | 80/120 | 80/120 | 75/120 |
| Viscosity at 85°C (mpa·s) | 1300 | 1100 | 900 |
| Post curing time (100℃/h) | 16 | 16 | 16 |
| Hardness (Shore A) | 90±2 | 92±2 | 96±2 |
| Tensile strength (mpa) | 46 | 47 | 50 |
| 100% modulus stress (mpa) | 6 | 8 | 12 |
| 300% modulus stress (mpa) | 12 | 16 | 25 |
| Elongation at break (%) | 550 | 500 | 460 |
| Right Angle Tear Strength (kN/m) | 92 | 105 | 125 |
| Rebound (%) | 34 | 32 | 28 |
| Density at 25°C (g/cm3) | 1.25 | 1.25 | 1.26 |
| DIN wear (mm3) | 43 | 45 | 43 |
Precautions
1. Polyester TDI castable polyurethane prepolymer should be stored in a low-temperature and dry place, and avoid moisture and water vapor during use.
2. Polyester TDI castable polyurethane prepolymer after opening should be used up as soon as possible. If it is not used up, it is best to seal it with nitrogen.
3. If you want to add color paste or other materials, please keep the water content of the additives below 0.1%, and consider the compatibility of the additives.
Packing And Storage
Packing:20Kg/drum, 200Kg/drum, IBC tank
Polyester TDI castable polyurethane prepolymer should be stored in a cool, dry place, avoiding moisture and high temperatures. The shelf life of unopened prepolymer is twelve months
About us
Why choose Beiqiao ?
BEIQIAO is a manufacturer mainly for polyurethane raw material,such as polyether polyol,blend polyol,polyester polyol,TPU,castable polyurethane elastomers etc.
Big factory with stable quality, and passed ISO standards.
Professional technical support and reliable after-sales service
Fast delivery and secure packaging, you can expect your order to arrive within 7-14 days after the deposit is received.
We prioritize fast communication and offer flexible business cooperation modes to accommodate your requirements.
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