Description
📦 Product Introduction: Toluene Diisocyanate (TDI) 80/20
Toluene Diisocyanate (TDI) 80/20
Chemical Formula: CH₃C₆H₃(NCO)₂
✔️ Produced by Karoon Petrochemical Company
✔️ Purity ≥ 99.5%
✔️ Ratio of 80/20 (2,4-TDI) to 20/80 (2,6-TDI)
🌟 Key Features of Toluene Diisocyanate (TDI) 80/20
🔹 High purity (≥ 99.5%): ensures final product quality
🔹 Standard ratio 80% 2,4-TDI & 20% 2,6-TDI: uniform reactivity
🔹 Suitable viscosity and density:
Specific Gravity: 1.22 ± 0.02 at 25°C (ASTM D4659.03)
🔹 Low color and chlorine impurities:
APHA ≤ 25
Total Chlorine ≤ 500 ppm
Property | Specification | Test Method |
---|---|---|
Appearance @ 30 °C | Clear liquid | Visual |
Purity, % wt. | Min. 99.5% | GC |
2,4-TDI Content, % wt. | 80.0 ± 1.0% | ASTM D4660.00 |
2,6-TDI Content, % wt. | 20.0 ± 1.0% | ASTM D4660.00 |
Total Acidity, ppm by wt. | Max. 40 | ASTM D5629.05 |
Hydrolysable Chlorine, ppm | Max. 120 | ASTM D4663.98 |
Total Chlorine, ppm | Max. 500 | ASTM D4661.03 |
Color (APHA) | Max. 25 | ASTM D4877.04 |
Specific Gravity @ 25 °C | 1.22 ± 0.02 | ASTM D4659.03 |
Nitro Isocyanate Compounds, ppm | Max. 30 | H900.5800 |
🛠️ Applications of Toluene Diisocyanate (TDI) 80/20
Flexible Foams:
Mattresses, furniture, car seat covers, packagingFoamed-in-Place:
From soft and spongy to rigid and porous foamsPolyurethane Coatings:
Leather coating, tank linings, wire and structural coatingsElastomers:
Adhesives, films, skate wheels, mechanical partsRigid Foams:
Refrigerators, thermal and cold insulationSealants and Caulks:
Building construction, insulation
📦 Packaging and Storage Conditions
Packaging: 220-liter steel drum (250 kg)
Storage Temperature: 20–30 °C
⚠️ Safety Precautions:
Use gloves, goggles, and protective clothing
Keep away from moisture and water
Store in a dry, well-ventilated area
✅ Why Choose Karoon Petrochemical’s TDI 80/20?
Guaranteed quality with ASTM testing
Full technical support and documentation
High durability and performance of final products
Competitive pricing and safe delivery
📞 For more information and orders, contact our sales team and experience the superior quality of TDI 80/20 in your projects!
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