Tecnoflon® PL 958 is a new generation low post cure peroxide curable fluoroelastomer. Tecnoflon® PL 958 exhibits both excellent low temperature flexibility (TR10 = –24°C) and an outstanding resistance to a variety of chemicals. As all other Tecnoflon® peroxide curable grades, it exhibits excellent processability; moreover it needs very short post-curing cycles. Tecnoflon® PL 958 is a higher viscosity version of Tecnoflon® PL 458: please refer to Tecnoflon® PL 458 Technical data sheet for data on chemical resistance. 
Some of the basic properties of Tecnoflon® PL 958 are: 
- Excellent low temperature flexibility 
- Low volume swell in methanol-based fuels 
- Low post cure 
- Superior mould flow 
- Lack of mould fouling 
- Excellent mould release 
Tecnoflon® PL 958 can be used for compression, injection-compression and transfer molding of O-rings, gaskets and seals. Tecnoflon® PL 958 can be combined with the cure system and other typical fluoroelastomer compounding ingredients. Mixing can be accomplished with two roll mills or internal mixers. Tecnoflon® PL 958 can be extruded into hoses or profiles and can be calendered to make sheet stocks or belting. Finished goods may be produced by a variety of rubber processing methods. 


  • Global Business Unit
    Specialty Polymers
  • Brand
  • Synonyms



Segments Applications
Chemical Industry Chemical Engineering
Industrial Equipment Industrial Equipment Parts | Pipes, Pumps, Fittings & Valves
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Green & Clean Technologies Emission Reductions
Powertrain Efficiency Engine Management Systems | Oil & Fuel Circuit
Lightweighting Mechanical Components
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Equipment & Parts Equipment & Parts
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Food Processing Food Processing
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High Speed Train Powertrain efficiency
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Electrical, Air & Fluid Systems Fluid systems (water, jet fuel, hydraulic liquid)

Chemical categories

Chemical category Chemical family Chemical product
Specialty Polymers Fluorinated Elastomers FKM (Fluoroelastomer)

Region of commercial availability

  • Europe / Middle East / Africa
  • North America

Not available in Middle East/Africa

Download documentation for Tecnoflon® PL 958