Typical Technical Properties:
| Test Item | Standard | ||||||
| Test Method | LR-5430 | LR-5440 | LR-5450 | LR-5460 | LR-5470 | LR-5480 | |
| Appearance | Visual | Milk white, translucent | Pale yellow | ||||
| Specific Gravity (g/cm3) | ASTM D792 | 1.38 | 1.41 | 1.42 | 1.43 | 1.45 | 1.47 |
| Hardness / shoreA | ASTM D2240 | 28 | 40 | 48 | 60 | 70 | 80 |
| Tensile Strength (MPa) | ASTM D412 | 10.2 | 9.5 | 9.5 | 10.2 | 9.9 | 8.1 |
| Elongation At Break (%) | ASTM D412 | 485 | 494 | 363 | 296 | 241 | 159 |
| Tear Strength (KN/m) | ASTM D624-B | 18 | 26 | 19 | 22 | 21 | 16 |
| Resilience (%) | ASTM D1054 | 41 | 35 | 46 | 40 | 37 | 39 |
| *Heat Resistance
225°C X 72h |
Hardness change / shore A | 2 | 2 | 3 | 2 | 2 | 3 |
| Tensile strength change % | -18 | -17 | -21 | -25 | -20 | -19 | |
| Elongation at break change % | -19 | -16 | -18 | -21 | -16 | -15 | |
| Fuel C
Volume change/% 23°C/72h |
ASTM D471 | 22 | 19 | 18 | 19 | 19 | 19 |
| Curing Condition | 0.7 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:
The High Resilience Series is a premium-grade fluorosilicone compound, precision-engineered from high-molecular-weight FVMQ base polymers, specialized fillers, and performance additives. It delivers a superior balance of oil and solvent resistance with exceptional elastic recovery and low compression set, ensuring reliable sealing performance under extreme thermal and chemical stress.
