| Customization: | Available |
|---|---|
| Applications: | Door and Window Sealing |
| OEM: | Support |
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Junbond® JB20 is one-component moisture curable polyurethane sealant. It has excellent bonding and sealing performance. No corrosion and pollution to substrates, environment friendly, no bubbles during application etc.
| No | Test Item | Unit | Actual results | |
| 1 | Appearance | - | Smooth, no air bubbles, no lumps | |
| 2 | Tack free time(at what % humidity) | min | 15 | |
| 3 | Slump | Vertical | mm | 0 |
| Horizontal | mm | Not deformed | ||
| 4 | Extrusion | ml/min | 573 | |
| 5 | Shore A hardness /72h | - | 35 | |
| 6 | Shrinkage | % | / | |
| 7 | Effect of heat aging on | - | ||
| - Weight loss | % | 8.7% | ||
| - Cracking | - | No | ||
| - Chalking | - | No | ||
| 8 | Tensile adhesion | Mpa |
||
| - Standard condition | 0.93 | |||
| - Immersion in water | / | |||
| - Dry at 100°C | / | |||
| 9 | Elongation at break | % | 320 | |
| 10 | Specific gravity | g/cm3 | 1.51 | |
| 11 | Completely dry | hours | 30 | |
| 12 | Temperature Resistence | °C | -50ºC~150ºC | |
| 13 | Application Temperature | °C | 4ºC~40ºC | |
| 14 | Color | Black | ||
| 15 | Keywords | Pu Sealant | ||
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