High fluorine content (~68–70 wt%) delivering exceptional resistance to aggressive chemicals, including acids, bases, and polar solvents.
Optimized for excellent low-temperature flexibility down to –15 °C, supporting reliable sealing performance in dynamic applications.
Outstanding resistance to hot air aging up to 200 °C, enabling extended service life in high-temperature environments.
Good compression set resistance after prolonged thermal exposure, ensuring dimensional stability and seal integrity.
Compatible with standard FKM processing equipment and vulcanization systems (e.g., bisphenol or peroxide cure).
Aerospace fuel system seals and diaphragms exposed to jet fuels and synthetic lubricants.
Automotive turbocharger hoses and gaskets operating under high-temperature exhaust conditions.
Chemical processing equipment O-rings, valve seats, and pump components handling corrosive media.
Oil & gas downhole elastomeric parts subjected to sour gas (H₂S), CO₂, and high-pressure hydrocarbons.
Pharmaceutical and biotech single-use systems requiring extractables control and sterilization compatibility.
| Chemical Type | Fluoroelastomer (FKM), vinylidene fluoride/hexafluoropropylene/tetrafluoroethylene terpolymer |
| Product Form | Uncured gum stock in bale form (typically 2–5 kg) |
| Appearance | Off-white to light tan, homogeneous rubbery solid |
| Primary Applications | Static and dynamic seals, gaskets, diaphragms, hoses |
| Key Features | High fluorine content, balanced heat/chemical resistance, good processability |
| Benefits | Extended service life in harsh environments, reduced maintenance frequency, regulatory compliance support (e.g., FDA, USP Class VI) |
| Cure System Compatibility | Bisphenol A-based or peroxide curatives |
| Standard Packaging | Vacuum-sealed polyethylene bag inside cardboard box |
Q1: What distinguishes Tecnoflon FOR 532 from other FKM elastomers?
A: Tecnoflon FOR 532 is a specialty fluoroelastomer designed with enhanced resistance to aggressive polar solvents and low-temperature flexibility compared to standard FKM grades, while maintaining strong thermal stability and chemical inertness typical of high-performance fluoropolymers.
Q2: Is Tecnoflon FOR 532 suitable for dynamic sealing applications in automotive fuel systems?
A: Yes — it is widely specified for dynamic seals exposed to modern fuel blends, including ethanol- and bio-diesel-containing fuels, due to its excellent resistance to swelling, compression set retention, and long-term durability under cyclic mechanical stress.
Q3: How does Tecnoflon FOR 532 perform in contact with aggressive chemicals such as amines or ketones?
A: It demonstrates superior resistance to many amine-based additives and ketonic solvents relative to conventional FKMs, making it a preferred choice for demanding chemical processing environments where standard fluoroelastomers may exhibit excessive swelling or degradation.
Q4: Can Tecnoflon FOR 532 be compounded with standard FKM curing systems?
A: Yes — it is compatible with conventional bisphenol and peroxide-based cure systems used for FKM, though optimal scorch safety and physical property development typically require formulation adjustments tailored to its specific polymer architecture.
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