| Tripolymer curing agent | |||||||
| Series No | Type | Viscosity s/25℃ | Color number≤ | Solid Content% | NCO% | Characteristics | Uses |
| 755K | TDI polyisocyanate | 15-50 | 1 | 50±1 | 9-10.5 | Quick-drying, high hardness, good yellowing resistance |
Combined with 750 or 750T when used |