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Technical characteristics
- KindPolyurethane
Description
Description
PU 661 is one-part room temperature curing polyurethane with high adhesion strength, good elasticity, aging resistant, vibration exhaustion resistant, low temperature resistant and multi coatings paint able and easy application properties.
Where to use
Maintenance and sealing for auto windows, it also be used for the direct for auto windows.
Characteristic
Fast tack free High adhesion strength
Neutral Good chemical corrosion resistance
Good water proof Paint able
One part no mixing excellent weather proof, aging resistant property
Abrasion able excellent noise, vibration and Impaction resistant
Damp resistant No sagging
Anti mildew
Technical Data
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| No | Item | Standard | Test method |
| 1 | Appearance | Black, paste | By eyes |
| 2 | Specific gravity, g/cm3 | 1.25±0.05 | GB14683-1997 |
| 3 | Hardness, Shore A | 55±5 | GB/T531-1999 |
| 4 | Sagging | No | By eyes |
| 5 | Tack free time, Min | 20 | By touching |
| 6 | Curing rate,mm/24h | 3-6 | 100*10*12 triangle |
| 7 | Shear strength, Mpa | ≥3.5 | GB/T529-1999 |
| 8 | Tensile strength, Mpa | ≥4.5 | GB/T528-1998 |
| 9 | Elongation at break,% | ≥500 | GB/T528-1998 |
| 10 | Modulus at 100% elongation, Mpa | 1.4-2.4 | GB/T528-1998 |
| 11 | Tear strength Mpa | ≥8.0 | GB/T529-1999 |
| 12 | Solid content,% | ≥96 | GB14683-1997 |
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聚氨酯密封胶
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