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Katon® 4000 Series Get a Quote

The Katon® 4000 Series, made with AFLAS® (FEPM) as the base material, offers exceptional chemical resistance and reliable performance in the most demanding environments. This material is specifically designed to withstand steam, alkalis, amines, and a wide range of aggressive chemicals, making it ideal for industries that require robust sealing solutions under harsh conditions.

As a cost-effective alternative to FFKM, the Katon® 4000 Series provides outstanding durability and performance without compromising on quality. Whether used in chemical processing, high-pressure systems, or other challenging applications, this material ensures long-lasting, dependable sealing performance.

Katon® FEPM, AFLASKaton 4000 AFLAS® FEPM O-ring
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Features and Benefits

 02

Available Size list

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Applicable Environments

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Our Services

Features and Benefits

Exceptional Chemical Resistance: Withstands alkalis, steam, amines, solvents, and highly reactive chemicals.
High-Temperature Stability: Reliable performance in environments up to 230°C  (446 ° F).
Cost-Effective Alternative: Cost effective compared to FFKM while retaining excellent chemical resistance.
Durable and Reliable: Designed for long-term sealing under extreme pressures and harsh conditions.

Available Size list

Metric Sizes
AS568
JIS B 2401

Katon® 4000 Series Compounds.

Katon® Compound Base Polymer Color Shore A (±5) Operating Temperature Curing System
Katon® 4070C FEPM-P BEIGE 70 -15℃~230℃ / 5℉~446℉ Peroxide
Katon® 4075C FEPM-P BEIGE 75 -15℃~230℃ / 5℉~446℉ Peroxide
Katon® 4070B FEPM-P BLACK 70 -15℃~230℃ / 5℉~446℉ Peroxide
Katon® 4075B FEPM-P BLACK 75 -15℃~230℃ / 5℉~446℉ Peroxide
Katon® 4175B FEPM-P BLACK 75 -15℃~230℃ / 5℉~446℉ Peroxide
Katon® 4080B FEPM-P BLACK 80 -15℃~230℃ / 5℉~446℉ Peroxide
Katon® 4090B FEPM-P BLACK 90 -15℃~230℃ / 5℉~446℉ Peroxide
Katon® 4070W FEPM-P WHITE 70 -15℃~230℃ / 5℉~446℉ Peroxide
Katon® 4075W FEPM-P WHITE 75 -15℃~230℃ / 5℉~446℉ Peroxide
Chemical Resistance Data

Applicable Environments

Recommended

  • Refrigeration and cooling systems.
  • Handling of acids, halogenated hydrocarbons, and chemical agents.
  • Use with diester lubricants, petroleum fuels, and silicone oils/greases.
  • Automotive fuel injection systems, biodiesel applications, and engine coolant seals.
  • Industrial and chemical processing applications requiring durable and chemical-resistant seals.  

Not Recommended

  • Exposure to ketones (e. g., MEK) or esters (e. g., ethyl acetate).
  • Aromatic Hydrocarbons and Chlorinated Solvents
  • Environments involving Skydrol®, automotive or aircraft brake fluids.
  • Applications requiring resistance to strong acids, or hot water without specialized grades.  
  • Systems exposed to ammonia, low-molecular-weight esters, or ethers.  

Our Services

At Katon, we are committed to providing more than just high-quality O-Rings. We offer a complete customer experience from start to finish. Our services include:

  • Expert Consultation: Our team of engineers and product specialists work closely with you to understand your specific needs and provide tailored solutions.
  • Custom Solutions: We offer flexible options for custom sizes, materials, and configurations, ensuring a perfect fit for your unique applications.
  • Fast Turnaround: With our advanced manufacturing capabilities, we ensure quick production and delivery times to meet your project deadlines.
  • Technical Support: Our dedicated support team is always ready to assist with material selection, application advice, and troubleshooting.
  • Global Reach: Katon® serves industries worldwide, with a commitment to delivering reliable, cost-effective sealing solutions to customers across different sectors.

Whether you’re looking for standard O-Rings or specialized custom seals, Katon® is here to help you find the right solution, every time.

 

Katon® 4000 Series
Get a Quote
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