Description of LR-F5400 High Resilience Series Fluorosilicone Rubber
Chemical Name | High Resilience Series Fluorosilicone Rubber |
Synonyms | Fluorosilicone gum |
Equivalents |
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Typical Technical Properties of LR-F5400 High Resilience Series Fluorosilicone Rubber
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.
Processing Advice of LR-F5400 High Resilience Series Fluorosilicone Rubber
It is recommended to use 0.6 ~ 1 phr. 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane(DBPH).
The customer shall decide the optimum curing temperature and time according to the product dimensions and curing methods.
Package &Storage of LR-F5400 High Resilience Series Fluorosilicone Rubber
Packed in plastic bags placed into reinforced cardboard boxes. Each box contains 2 bags with 10kg per bag.
Keep in cool, dry and ventilated place. Keep away from sunlight and fire sources. This product has cold-flow characteristics, should avoid bag breakage in the process of transportation and usage, shelf life is 12 months from the date of production. It is shipped as non-hazardous substance.
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