We,FoShan MingBao Technology Co. Ltd, develops FKM compound as clients requirement for molding /injection & extrusion application, custom made all kinds of FKM Compound with hardness 50-90/various colors for different applications, and offer coat steel, stainless steel and aluminum with Nitrile Rubber (NBR), Fluorocarbon Elastomer (FKM), and various sealing materials such rubber coatings dope, gasket, anti-noise shim.
Fluorine rubber (FKM) has a series of exnt properties such as oil resistance, high temperature resistance, solvent resistance, strong acid resistance, strong oxidant resistance, flame retardancy, and aging resistance, so it is used in national defense, aerospace, electronic communications, vehicles and ships, petrochemicals and other cutting-edge technology fields have been widely used.
The leading product in the market is the binary FKM copolymerized with vinylidene fluoride (VDF) and hexafluoropropylene (HFP). Its composition is: VDF mole fraction 80%, fluorine mass fraction about 66%, Tg is -20°C. In recent years, the demand for ternary FKM, which is copolymerized into tetrafluoroethylene (TFE) and reduces VDF content (increases fluorine content), has increased significantly. For ternary FKM, the higher the fluorine content, the better the chemical resistance, corrosion resistance, oil resistance, and fuel penetration resistance, but the low-temperature characteristics will deteriorate. At present, the low-temperature characteristics of various grades of commercially available FKM are shown in the table.
As products that improve low-temperature characteristics, in addition to FKM in which perfluorovinyl ether is copolymerized, there are fluorine-containing silicon (FVMQ) and FKM containing hexafluoropropylene oxide units in the main chain.
| FKM rubber(Fluoro rubber) Selection Guide / vulcanized mixing (1) | ||||||||||||||||||||||||
| Produt /td> | Color | Hardness | Tensile strength | Elongation | Specific Gravity | Compression Deformation | TR10 | Brittleness temperature | Hot air aging | Resistant to 903 oil | Fuel resistance C | Transmission resistant oil GL-5 | Product Features | |||||||||||
| 250℃*70H | 150℃*70H | 23℃*70H | 150℃*1008H | |||||||||||||||||||||
| degree | Mpa | % | %, ASTM D395 | ℃ | ℃ | Hardness change | Tensile strength change | Elongation | Hardness change | Tensile strength variation | Elongation change | Volume change | Hardness change | Tensile strength variation | Elongation change | Volume change | Hardness change | Tensile strength variation | Elongation change | Volume change | ||||
| M/B 200℃*70hr | Variation | |||||||||||||||||||||||
| O-Ring and Gasket Applications | ||||||||||||||||||||||||
| Binary | ||||||||||||||||||||||||
| JGF-508611NCL | Black | 48 | 10 | 280 | 1.83 | 30 | -18 | -30 | 0 | 9.9 | -22.7 | -3 | -17.3 | 1.7 | 3 | Very low fluoroelastomer hardness, exnt mold release, exnt hot tear properties | ||||||||
| JGF-558622F | Black | 55 | 9.2 | 240 | 1.83 | 13 | -18 | -27 | 1 | 3.4 | -6.1 | -1 | -3.3 | 5.9 | 2.9 | Low hardness, low compression set, exnt mold release | ||||||||
| JGF-609611F | Black | 60 | 12.2 | 230 | 1.85 | 13 | -17 | -25 | 1 | -1.4 | -8.3 | -1 | 0.9 | 9.6 | 2.9 | Low compression permanent deformation, exnt demolding performance, suitable for various O-ring and gasket products | ||||||||
| JGF-703611F | Black | 70 | 14.9 | 225 | 1.85 | 18 | -17 | -22 | 1 | 2.3 | -4.9 | -1 | -5.8 | 11.8 | 2.7 | -3 | -19.2 | 4.1 | 3.1 | Exnt mold release, suitable for various O-ring and gasket products | ||||
| JGF-759611F | Black | 75 | 15.3 | 200 | 1.86 | 19 | -17 | -20 | 1 | 1.2 | -3.7 | -2 | -6.1 | 8.6 | 2.5 | Exnt mold release, suitable for various O-ring and gasket products | ||||||||
| JGF-801611F | Black | 80 | 16.2 | 180 | 1.86 | 21 | -16 | -20 | 2 | -1.8 | -9.6 | -3 | -8.5 | 7.2 | 2.5 | Exnt mold release, suitable for various O-ring and gasket products | ||||||||
| JGF-902611F | Black | 90 | 16.6 | 145 | 1.86 | 24 | -15 | -16 | -1 | 5.4 | -4.8 | -4 | -2.1 | 14.3 | 2.3 | High hardness, exnt mold release | ||||||||
| JGF-600011F | Reddish brown | 60 | 13.5 | 240 | 1.91 | 12 | -18 | -26 | 1 | -5.5 | -3.8 | -2 | -1.1 | 3.9 | 2.8 | Low compression permanent deformation, exnt demolding performance, suitable for various O-ring and gasket products | ||||||||
| JGF-709011F | Reddish brown | 70 | 15.1 | 230 | 1.93 | 17 | -17 | -25 | 1 | -2.1 | -3.2 | -2 | -4.7 | 6.8 | 2.6 | -3 | -18.7 | 3.9 | 3 | Exnt mold release, suitable for various O-ring and gasket products | ||||
| JGF-803011F | Reddish brown | 80 | 17.2 | 180 | 1.96 | 18 | -16 | -20 | 2 | -3.3 | -8.1 | -2 | -7.5 | 9.7 | 2.4 | Exnt mold release, suitable for various O-ring and gasket products | ||||||||
| JGF-602311F | Green | 60 | 13.2 | 230 | 1.91 | 12 | -18 | -27 | 1 | 1.3 | -2.9 | -2 | -3.6 | 10.3 | 2.7 | Exnt mold release, suitable for various O-ring and gasket products | ||||||||
| JGF-705311F | Green | 70 | 14.1 | 200 | 1.92 | 15 | -17 | -25 | 1 | 4.5 | -3.6 | -2 | -1.7 | 10.4 | 2.6 | -3 | -19.9 | 4.5 | 3 | Exnt mold release, suitable for various O-ring and gasket products | ||||
| JGF-706511F | Blue | 70 | 15.7 | 190 | 1.92 | 15 | -17 | -22 | 1 | 1.6 | -1.2 | -2 | -8.5 | 15.3 | 2.6 | Exnt mold release, suitable for various O-ring and gasket products | ||||||||
| JGF-703032G | Brown | 70 | 16.5 | 245 | 1.93 | 28 | -17 | -30 | 2 | -3.7 | 8.3 | -2 | -6.7 | -17.3 | 2.4 | Peroxide fluoroelastomer, exnt resistance to transmission oil | ||||||||
| Produt /td> | Color | Hardness | Tensile strength | Elongation | Specific Gravity | Compression Deformation | TR10 | Brittleness temperature | Hot air aging | Resistant to 903 oil | Fuel resistance C | Transmission resistant oil GL-5 | Product Features | |||||||||||
| 275℃*70H | 150℃*70H | 23℃*70H | 150℃*1008H | |||||||||||||||||||||
| degree | Mpa | % | %, ASTM D395 | ℃ | ℃ | Hardness change | Tensile strength change | Elongation | Hardness change | Tensile strength variation | Elongation change | Volume change | Hardness change | Tensile strength change | Elongation change | Volume change | Hardness change | Tensile strength change | Elongation change | Volume change | ||||
| M/B 200℃*70hr | Variation | |||||||||||||||||||||||
| O-Ring and Gasket Applications | ||||||||||||||||||||||||
| Ternary | ||||||||||||||||||||||||
| JGF-552621T | Black | 55 | 11.3 | 250 | 1.87 | 35 | -14 | -45 | 1 | -7.8 | 6.9 | -3 | -5.3 | 15.6 | 1.9 | -2 | -14.7 | 2.2 | 2.4 | Exnt mold release, exnt high temperature and oil resistance, suitable for various O-ring and gasket products | ||||
| JGF-602611T | Black | 60 | 15.3 | 230 | 1.88 | 18 | -14 | -40 | 1 | -8.3 | 9.4 | -2 | -4.2 | 8.5 | 1.8 | -2 | -15.3 | 3.2 | 2.3 | Exnt mold release, exnt high temperature and oil resistance, suitable for various O-ring and gasket products | ||||
| JGF-701611T | Black | 70 | 18.7 | 220 | 1.88 | 20 | -13 | -36 | 1 | -7.2 | 8.5 | -2 | -5.7 | 13.7 | 1.8 | -2 | -13.2 | 2.9 | 2.2 | Exnt mold release, exnt high temperature and oil resistance, suitable for various O-ring and gasket products | ||||
| JGF-809611T | Black | 80 | 19.3 | 180 | 1.89 | 22 | -13 | -31 | 2 | -10.3 | 9.7 | -2 | -6.2 | 10.8 | 1.6 | -2 | -14.1 | 3 | 2.3 | Exnt mold release, exnt high temperature and oil resistance, suitable for various O-ring and gasket products | ||||
| JGF-602011T | Reddish brown | 60 | 13.1 | 250 | 1.93 | 22 | -14 | -35 | 1 | -9.8 | 11.3 | -2 | -3.9 | 9.3 | 1.7 | -2 | -13.9 | 2.9 | 2.3 | Exnt mold release, exnt high temperature and oil resistance, suitable for various O-ring and gasket products | ||||
| JGF-710011T | Reddish brown | 70 | 16.4 | 200 | 1.96 | 24 | -13 | -30 | 1 | -9.3 | 10.7 | -2 | -4.4 | 8.9 | 1.7 | -2 | -13.2 | 3.3 | 2.3 | |||||
| JGF-716011GAL | Reddish brown | 70 | 16.9 | 240 | 1.93 | 29 | -21 | -30 | 2 | -3.9 | 9.6 | -2 | -5.8 | -18.7 | 2.3 | Peroxide fluoroelastomer, low temperature resistant, exnt transmission oil resistance | ||||||||
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