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Address: NO.9, Hongfeng 1st Street, Nanshe Village, Chashan Town. Dongguan City, 523391, China
Contact name:Aaron
Dongguan Ruichen Sealing Co., Ltd. |
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AS568 70 Shore FKM O Rings Sealing Industrial For Fuel / Engine
Systems
FKM O-RINGS:
FKM® O-rings from ORK offer excellent resistance to high temperatures,
ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels,
aromatics and many organic solvents and chemicals making it
excellent for o-ring, gasket and seal materials. ORK FKM o-rings (FKM o-rings, fluorocarbon rubber o-rings) provide
excellent permeability and compression set resistance.
FKM® O-rings (FKM o-rings) have low gas permeability and FKM o-rings
(FKM o-rings) are commonly used as gaskets in fuel system sealing
applications. Other fluorocarbon compounds can also offer
improved resistance to acids, fuels, water and steam.
FKM® O-rings have established new performance standards in advanced
fuel and engine systems, and provide improved
system reliability for extreme temperatures for fuels,
oils, transmission fluids and acid condensates. FKM® orings can help extend maintenance intervals and protect
against seal failure. Low temperature resistance is not
preferred in static applications for traditional FKM® o-rings , and is limited to approximately -15°F (-26°C). When
used in dynamic applications, the low temperature is between 5°F
and 0°F (-15°C and -18°C). Gas permeability is low and similar to
butyl rubber.
Detailed Image:
FKM® O-Ring General Attributes
Common Applications for FKM® O-Rings
| Flurocarbon Compuond | Available Specifications | Key Characteristics | Average Temperature Ranges |
| Commercial | ASTM D2000 | Available in black or brown. Excellent resistance to head and a wide range of chemicals. | 5° to 446°F |
| AMS7276 | AMS 7276, M83248/1, Mil-R-83248 CL1, Dwg AS3208, AS3209 | Meets AMS7276. Excellent resistance to heat, engine oils and lubricants, ozone and weathering. Low compression set and good fuel resistance. | -13° to 392°F |
| AMS7259 | AMS 7259, M83248/2, Mil-R-83248 CL2, Dwg AS3581 | Meets AMS7259. Similar to AMS 7276 above except in 90-durometer hardness. | -13° to 392°F |
| M83485/1 GLT Type | M84385/1, AMS-R-83485, Mil-R-83485 | Meets AMS-R-83485. Excellent heat resistance and low temperature performance. GLT Type FKM. | -35° to 400°F |
| GFLT FKM | ASTM D2000 / SAE J200, M7HK 710 A1-10 B38 EF31 Z1 Z2 Z3 | GFLT based FKM. Good for low temp with improved chemical resistance. Listed for fuel/alcohol applications. | -31° to 392°F |
| FDA FKM | ASTM D2000 / SAE J200 M2HK 710 A1-10 B37 B38 EF31 F15 Z | FDA, USDA, and NSF grades available. | -4° to 392°F |
| FKM Extreme | Extreme chemical service. Strong bases and amines. Peroxide cured. | -4° to 392°F | |
