This solvent adhesive TPU is a special linear thermoplastic polyurethane elastomer with adjustable viscosity, good solvent solubility, fast crystallization rate, excellent initial adhesion and final bonding strength.
It features low melting point and soft hand feel, offering strong adhesion to TPU, PVC, nylon, polyester, fabric, leather and various substrates.
Widely used for fabric coating, fire hose adhesive, hot melt adhesive film & tape, toe puffs, high-grade interlining, heat transfer printing, textile, footwear and seam sealing tape industries.
| Item | Density | Hardness | Tensile Strength | Elongation | Start flow temperature | Surface drying time | Minimum thermal activation temperature | Solution viscosity |
| Standard | ASTM D792 | ASTM D2240 | ASTM D412 | ASTM D412 | ISO3219 | |||
| Unit | g/cm3 | Shore A | Mpa | % | ℃ | min | ℃ | mpa.s |
| 3221 | 1.16 | 95 | 30 | 650 | 100 | 5 | 60-70 | 1500-2500 |
| 3231 | 1.16 | 95 | 30 | 600 | 100 | 5 | 60-70 | 2500-3000 |
| 3222 | 1.20 | 95 | 40 | 650 | 90 | 15 | 55-65 | 1500-2500 |
| 3232 | 1.20 | 95 | 40 | 650 | 90 | 15 | 55-65 | 2500-3500 |