product
O-Ring
0
Product Catalog
O-Ring
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, AFLAS®
01 Features and Benefits 02 Available Size list. 03 Applicable Environments 04 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 204°C  (400 ° 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.
AS568
JIS 2401 B
Metric Sizes
Katon® 4000 Series Compounds.
Katon® Compound Base Polymer Shore A (±5) Operating Temperature Curing System Color Price Range Fluorine content % (Raw Material)
Katon® 4070C FEPM-P 70 -15℃~230℃ / 5℉~446℉ Peroxide BEIGE ★★☆☆☆ 57
Katon® 4075C FEPM-P 75 -15℃~230℃ / 5℉~446℉ Peroxide BEIGE ★★☆☆☆ 57
Katon® 4070B FEPM-P 70 -15℃~230℃ / 5℉~446℉ Peroxide BLACK ★★☆☆☆ 57
Katon® 4075B FEPM-P 75 -15℃~230℃ / 5℉~446℉ Peroxide BLACK ★★☆☆☆ 57
Katon® 4175B FEPM-P 75 -15℃~230℃ / 5℉~446℉ Peroxide BLACK ★★☆☆☆ 57
Katon® 4080B FEPM-P 80 -15℃~230℃ / 5℉~446℉ Peroxide BLACK ★★☆☆☆ 57
Katon® 4090B FEPM-P 90 -15℃~230℃ / 5℉~446℉ Peroxide BLACK ★★☆☆☆ 57
Katon® 4070W FEPM-P 70 -15℃~230℃ / 5℉~446℉ Peroxide WHITE ★★☆☆☆ 57
Katon® 4075W FEPM-P 75 -15℃~230℃ / 5℉~446℉ Peroxide WHITE ★★☆☆☆ 57
Chemical Resistance Data
Applicable Environments
Recommended
  • Ultra-low temperature environments and refrigeration 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® FFKM-7100 (General FFKM) 
Get a Quote