Qingdao Exceed Fine Chemicals Co.,Ltd
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Equivalent To Adiprene LF 950A Low Free TDI/PTMEG Prepolymer LFE3695
1. Description
LFE3695 based on TDI-PTMEG, it has lower viscosity, longer pot life and faster demolding with a range curatives to enable high productivity. The elastomer has good low temperature flexibility, excellent dynamic properties and outstanding abrasion resistance.
| Properties | Typical Value | |
| NCO Content, % | 6.1 ± 0.2 | |
| Appearance, 25℃ | Liquid | |
| Viscosity, 90℃,cps | 230 | |
| Processing Conditions | Prepolymer | Moca |
| Temperature,℃ | 70 | 115 |
| Mix ratio by weight | 100 | 18.5 |
| Pot Life,min | 8 | |
| Demold ℃/Minutes | 100/30 | |
| Post Cure, ℃/Hrs. | 100/15 | |
2. Typical Physical Properties
| Properties | Test Method | Units | Typical Value |
| Hardness | ASTM D 2240 | Shore A | 95 ±2 |
| Tensile Strength | ASTM D 412 | MPa | 47.3 |
| Elongation at Break | ASTM D 412 | % | 410 |
| 100% Modulus | ASTM D 412 | MPa | 15.6 |
| 300% Modulus | ASTM D 412 | MPa | 26.8 |
| Rebound, Bayshore | ASTM D 2632 | % | 43 |
| DIN Abrasion | DIN 53516 | mm³ | 36 |
| Tear Strength | ASTM D 624 | kN/m | 111 |
| Compression Set B (70°C, 22hrs) | ASTM D 395 | % | 28 |
3. Shelf life
Store away from moisture, at a temperature lower than 30°C with original sealed container.
4. Package
23kg/drum or 220kg/drum