Typical Technical Properties:
| Test Item | Standard | ||
| Test Method | LR-F5552 | LR-F5562 | |
| Appearance | Visual | Pale yellow | |
| Specific Gravity (g/cm3) | ASTM D792 | 1.42 | 1.43 |
| Hardness / shoreA | ASTM D2240 | 52 | 61 |
| Tensile Strength (MPa) | ASTM D412 | 10.2 | 9.4 |
| Elongation At Break (%) | ASTM D412 | 330 | 280 |
| Tear Strength (KN/m) | ASTM D624-B | 20 | 19 |
| Compression Set (177°C*22h) | ASTM D395 | 7 | 8 |
| Resilience % | ASTM D1054 | 35 | 34 |
| *Heat Resistance
200°C X 72h |
Hardness change / shore A | 2 | 2 |
| Tensile strength change % | -24 | -23 | |
| Elongation at break change % | -21 | -20 | |
| Fuel C
Volume change/% 23°C/72h |
ASTM D471 | 22 | 21 |
| Curing Condition | 0.5 DBPH, Press cure: 170°C x 15min, Post cure: 200°C x 4h | ||
The above values are not intended for use in preparing specifications.
Heat resistance additives need to be added to meet the requirements of heat resistance.
Features:
This series features exceptional resistance to oils and solvents, characterized by low compression set, superior thermal stability, and high resilience.