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High fluorine content (~68 wt%) delivering exceptional resistance to aggressive fuels, oils, and chemicals.
Optimized low-temperature flexibility with a glass transition temperature (Tg) of approximately –15 °C.
Excellent compression set resistance at elevated temperatures up to 200 °C for extended service life.
Good processability in standard rubber compounding equipment, including internal mixers and extruders.
Outstanding resistance to modern biofuels (e.g., E85, B20) and low-sulfur diesel formulations.
Fuel system components: O-rings, gaskets, and diaphragms for automotive and aerospace fuel handling.
Under-hood sealing solutions: Valve stem seals, turbocharger hoses, and coolant circuit gaskets.
Chemical processing equipment: Linings, pump diaphragms, and valve seats exposed to corrosive media.
Oil & gas downhole tools: Seals and packer elements operating in high-temperature, high-pressure hydrocarbon environments.
Industrial hydraulic systems requiring long-term stability in phosphate ester-based fire-resistant fluids.
| Chemical Type | Fluoroelastomer (FKM), vinylidene fluoride–hexafluoropropylene–tetrafluoroethylene terpolymer |
| Product Form | Free-flowing granules |
| Appearance | Pale yellow to light amber granules |
| Fluorine Content | Approx. 68 wt% |
| Mooney Viscosity (ML1+10 @ 121 °C) | 60 ± 5 |
| Specific Gravity (ASTM D297) | 1.85–1.90 |
| Primary Applications | Dynamic and static seals in demanding automotive, aerospace, and industrial fluid systems |
| Key Features | High chemical resistance, low-temperature flexibility, low compression set, excellent thermal stability |
Q1: What distinguishes Tecnoflon FOR 60K from other FKM elastomers in terms of processing and final part performance?
A: Tecnoflon FOR 60K is a fluorinated elastomer specifically formulated for enhanced processability in high-temperature, high-pressure molding applications. Its optimized molecular structure provides improved green strength and reduced scorch sensitivity during compound mixing and extrusion, while maintaining excellent resistance to aggressive chemicals, hot oils, and steam in the cured state.
Q2: Is Tecnoflon FOR 60K suitable for dynamic sealing applications in automotive powertrain systems?
A: Yes — Tecnoflon FOR 60K is widely selected for dynamic seals exposed to modern low-viscosity engine oils, turbocharged exhaust environments, and extended service intervals. Its balanced combination of low compression set, high tensile resilience, and thermal stability supports reliable long-term performance under cyclic mechanical and thermal stress.
Q3: How does Tecnoflon FOR 60K perform in contact with alternative fuels and bio-based lubricants?
A: Tecnoflon FOR 60K demonstrates robust resistance to swelling and degradation when exposed to ethanol-blended gasoline (E85), biodiesel (FAME), and synthetic ester-based lubricants — significantly outperforming standard FKM grades in these increasingly common service media.
Q4: What are typical compounding considerations when using Tecnoflon FOR 60K?
A: Compounding typically employs standard FKM curatives such as bisphenol or peroxide systems, depending on end-use requirements. Fillers like carbon black or finely divided calcium carbonate are commonly used to tailor hardness and reinforcement. Processing aids may be added at low levels to improve dispersion and reduce die swell, especially in extrusion-grade formulations.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
