Description of LR-F5500 Adhesive Purpose Series Fluorosilicone Rubber
Chemical Name | Adhesive Purpose Series Fluorosilicone Rubber |
Synonyms | Fluorosilicone gum |
Equivalents |
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Typical Technical Properties of LR-F5500 Adhesive Purpose Series Fluorosilicone Rubber
Test Item | Standard |
Test Method | LR-5540 | LR-5550 | LR-5560 | LR-5561 |
Appearance | Visual | Pale yellow |
Specific Gravity (g/cm3) | ASTM D792 | 1.4 | 1.41 | 1.42 | 1.44 |
Hardness / shoreA | ASTM D2240 | 41 | 50 | 60 | 61 |
Tensile Strength (MPa) | ASTM D412 | 9.5 | 9.8 | 10.2 | 9.8 |
Elongation At Break (%) | ASTM D412 | 370 | 282 | 263 | 310 |
Tear Strength (KN/m) | ASTM D624-B | 17 | 17 | 18 | 17 |
*Heat Resistance 225°C X 72h | Hardness change/shore A | 4 | 2 | +2 | 2 |
Tensile strength change % | -24 | -25 | -23 | -26 |
Elongation at break change % | -19 | -10 | -14 | -12 |
Fuel C Volume change/% 23°C/72h | ASTM D471 | 23 | 23 | 21 | 21 |
Peel Strength/N/mm, with Methyl vinyl silicone rubber | 2 | 2 | 2.2 | 2 |
Curing Condition | 0.8 DCBP, Press cure: 120°C x 15min, Post cure: 200°C x 4h |
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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-F5500 Adhesive Purpose Series Fluorosilicone Rubber
It is recommended to use 0.8 ~ 1 phr. peroxide (2,4-dichlorobenzoy)Vulcanizing agent (DCBP).
The customer shall decide the optimum curing temperature and time according to the product dimensions and curing methods.
Package & Storage of LR-F5500 Adhesive Purpose 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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