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High fluorine content (≈68 wt%) delivering exceptional resistance to aggressive chemicals and hydrocarbons.
Outstanding thermal stability with continuous service capability up to 200 °C in air.
Low compression set performance, ensuring long-term sealing integrity under dynamic and static conditions.
Excellent resistance to automotive fluids including modern low-SAPS engine oils, biofuels, and transmission fluids.
Good processability in standard rubber compounding and molding equipment, supporting efficient production cycles.
Under-hood automotive seals: valve stem seals, turbocharger gaskets, and fuel system O-rings.
Aerospace fluid handling components: hydraulic system seals and fuel pump diaphragms.
Oil & gas downhole elastomeric parts: packer elements and valve seats exposed to sour gas and high-temperature hydrocarbons.
Chemical processing equipment: linings, diaphragms, and pump seals for aggressive solvent environments.
Industrial powertrain applications: timing belt tensioner seals and transmission bushings.
| Chemical Type | Fluoroelastomer (FKM), vinylidene fluoride–hexafluoropropylene–tetrafluoroethylene terpolymer |
| Product Form | Uncured gum stock in bale form |
| Appearance | Light tan to amber-colored solid rubber |
| Primary Applications | Dynamic and static sealing in high-temperature, chemically demanding environments |
| Key Features | High fluorine content, excellent heat aging resistance, low compression set, broad chemical resistance |
| Benefits | Extended service life, reduced maintenance frequency, compatibility with advanced lubricants and alternative fuels |
| Standard Compliance | Meets ASTM D1418 classification FKM; conforms to ISO 1629 designation FKM |
Q1: What distinguishes Tecnoflon FOR 7352 from other FKM elastomers in the Tecnoflon portfolio?
A: Tecnoflon FOR 7352 is a specialty fluoroelastomer formulated with a balanced combination of fluorine content and cure-site chemistry to deliver enhanced resistance to aggressive polar solvents, low-temperature flexibility, and improved processability—particularly for demanding dynamic sealing applications in automotive and industrial fluid systems.
Q2: Is Tecnoflon FOR 7352 suitable for contact with fuels, biofuels, and modern engine oils?
A: Yes—Tecnoflon FOR 7352 exhibits excellent resistance to conventional hydrocarbon fuels, ethanol- and biodiesel-blended fuels (e.g., E85, B20), and advanced low-SAPS engine oils, making it well-suited for fuel system seals, injector O-rings, and turbocharger hose components where long-term dimensional stability and compression set resistance are critical.
Q3: How does the processing behavior of Tecnoflon FOR 7352 compare to standard peroxide-curable FKMs?
A: Tecnoflon FOR 7352 is designed for efficient peroxide curing and offers good scorch safety, consistent extrudability, and uniform crosslink density development during vulcanization—enabling reliable high-speed production of precision-molded and extruded parts without compromising final physical properties.
Q4: Can Tecnoflon FOR 7352 be used in applications requiring compliance with food-contact or pharmaceutical regulations?
A: Tecnoflon FOR 7352 is not pre-certified for food or pharmaceutical contact. While its base polymer composition meets general purity expectations for high-performance elastomers, end-use compliance depends on the full compound formulation—including curatives, fillers, and processing aids—as well as final validation under applicable regional regulatory frameworks.
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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
