| characteristic | PUR | PUR |
| Melt viscosity (Brookfield-ASTM D3236) | 4500~8000 cps @ 130℃ 8000~13000 cps @ 120℃ | 6000~10000 cps @ 130℃ |
| Appearance | White solid | White solid |
| Opening hours | 1-2 min @ 25℃ | 1-2 min @ 25℃ |
| Adapt to the use temperature after curing | -40~120℃ | -40~120℃ |