TDI 80/20 – Toluene Diisocyanate
TDI 80-20 is a mixture blend of 80% 2,4-toluene diisocyanate and 20% 2,6-toluene diisocyanate. The clear to pale yellow liquid organic compound is toxic, has a sharp odor, and is highly reactive. It is used in the manufacture of polyurethane flexible foam (slab/molding) and non-foam urethanes.
Applications
TCC’s Toluene Diisocyanate TDI 80-20 is an aromatic isocyanate that is produced for reaction with polyols to form polyurethanes. It is widely used in the production of polyester-based soft foam, high-bearing sponges, semi-rigid ester foam, and paint.
Description
| Apperance | clear liquid |
| APHA colour, max. | 25 |
| Sp. Gr. (at 20°C / 20°C) | 1.22 ± 0.02 |
| Purity (% by wt.), min. | 99.7 |
| Isomer Content (% by wt.) | |
| 2,4 TDI | 80 ± 1 |
| 2,6 TDI | 20 ± 1 |
| Total Acidity (ppm. by wt), max. | 40 |
| Hydrolyzable Chlorine (ppm.by wt.), max | 80 |
| Total Chlorine (ppm. by wt.) max. | 700 |
| CAS No. | 26471-62-5 |
| UN No. | 2078 |
| Haz. Class | 6.1 |
