Description: Series of FS 8200 U are high-end premixed compound of fluorosiliconerubber with good extrusion performance.
Special properties:
Ø Good extrusion performance.
Ø Excellent resistance to oil and non-polar chemical.
Ø Low compression set.
Ø Wild operating temperature: -60~230℃
Ø Good processability and easily pigmented.
Ø Excellent resistance to structurization.
Main applications:
Ø Mainly used in automobile industry, aerospace industry, petroleumchemical industry and military industry.
Ø Suitable for applications as sealing materials for petroleum oil,lubricant oil, hydraulic oil, transformer oil, and non-polar chemical reagentsin low temperature and/or high temperature environments.
Characteristics:
Type (according to GB/T5576-1997)................................FVMQ
Natural color.......................................................translucent,smooth surface, no impurities
Curing Condition:
After addition of 1.2% of 2.5-dimethyl bis-(tertiobutyl peroxy) 2.5-hexane (45%) and vulcanization for 10 min. at 170°C, withpost curing at 200℃×4.
Mechanical properties：
Item | Testing Method | Unit | Technical data |
FS 8250 U | FS 8260 U | FS 8280 U |
Appearance | Visual Observation | — | translucent, smooth surface, no impurities |
Density | ASTM D792 | g/cm3 | 1.46 | 1.48 | 1.5 |
Hardness （Shore A） | ASTM D2240 | SHA | 50 | 60 | 80 |
Tensile Strength | ASTM D412 | MPa | 9.9 | 9.8 | 7.3 |
Elongation | ASTM D412 | % | 320 | 380 | 320 |
Tear Strength | ASTM D 624 B | kN/m | 22 | 27 | 27 |
Compression Set (22hr/177℃) | ASTM D395 Method B | % | 17 | 19 | 23 |
Fuel B Volume Swell (23℃×70hr) | GB/T1690 | % | 21 | 18 | 18 |
