Dupont™ Kalrez® O-Rings
Dupont™ Kalrez® O-ring products are high-performing sealing products for secure applications. With high-temperature stability and chemical resistance for over 1,800 different chemicals, Dupont™ Kalrez® O-rings, seals, and gaskets provide the high performance and versatility needed in an effective elastomer. With their strength and reliability, these O-rings offer a cost-effective alternative to metal O-rings.
As a trusted distributor of O-ring products, Ace Seal offers top-performing Kalrez® seals in standard O-ring sizes or custom configurations for your specific needs. Contact us to learn more or find the best solutions for your projects.
Shop Kalrez® Material O-Ring Products
Ace Seal offers Kalrez® O-rings in various styles and series. Find the right O-ring products for your applications below.
Dupont™ Kalrez® O-ring products are high-performing sealing products for secure applications. With high-temperature stability and chemical resistance for over 1,800 different chemicals, Dupont™ Kalrez® O-rings, seals, and gaskets provide the high performance and versatility needed in an effective elastomer. With their strength and reliability, these O-rings offer a cost-effective alternative to metal O-rings.
As a trusted distributor of O-ring products, Ace Seal offers top-performing Kalrez® seals in standard O-ring sizes or custom configurations for your specific needs. Contact us to learn more or find the best solutions for your projects.
Shop Kalrez® Material O-Ring Products
Ace Seal offers Kalrez® O-rings in various styles and series. Find the right O-ring products for your applications below.
Features & Properties of FFKM Kalrez® O-Rings, Seals, & Gaskets
Physical properties of Kalrez® materials include a hardness of 75 for standard products and a range of 82 to 95 for specialty products. Kalrez® shares the same base monomer as Teflon®, making it a chemical-resistant, temperature-stable rubber. Kalrez® products include a maximum application temperature of up to 620°F for standard products and up to 617°F for specialty products. Industrial temperature processing ranges can reach temperatures of up to:
- Chemical Processing: 620°F
- Oil & Gas: 550°F
- Food & Beverage Processing: 500°F
- Pharmaceuticals: 500°F
- Semiconductor: 617°F
Temperature ranges vary based on application and Kalrez® product. View our temperature compatibility chart for more information.
FFKM Kalrez® O-Ring Chemical Compound Characteristics
Specific physical properties of Kalrez® chemical compounds include:
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Kalrez ®Compounds Available from Ace Seal |
Temperature Range |
Properties |
Application Uses |
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Kalrez® 6375
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Max temperature of 527°F |
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Kalrez® 7075
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Max temperature of 620°F |
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Kalrez® 4079
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Max temperature of 600°F |
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Kalrez® 6380
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Max temperature of 437°F |
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Kalrez® 7090
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Max temperature of 617°F |
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Kalrez® 0090
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-5.8°F to 482°F |
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Kalrez® 0040
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-43.6°F to 428°F |
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Kalrez® 1050LF
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Max temperature of 550°F |
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Applications for Kalrez® Materials
With products including AS568 O-rings, Boss 900 Series O-rings, and Parker 500 Series O-rings, there are variations of Kalrez® sealing products designed for several projects across various trades. Ideal for applications that require high performance in harsh environments, Kalrez® products are well-suited for a variety of applications across numerous industries, including:
- Chemical Processing: Provides long-term embrittlement resistance and protection from swelling in abrasive environments.
- Oil & Gas: Excellent corrosion resistance and durability against high temperatures and pressures.
- Food & Pharmaceutical Processing: Offers heat and chemical resistance and contamination protection with FDA compliance.
- Semiconductor: Offers exceptional chemical resistance and thermal stability.
- Aerospace: Wide temperature processing range for demanding aerospace and aircraft applications.
Advantages of Dupont™ Kalrez® O-Rings
Kalrez® elastomer parts are designed for high-performance applications and can function with over 1,800 chemicals. Their versatility and longevity have made it a preferred FFKM for over 30 years. The enduring and established effectiveness of Kalrez® components reduces the need for frequent seal changes, repairs, and inspections, leading to enhanced process and equipment uptime. This results in improved operations and yield. Additional advantages of Kalrez® material usage include:
- Increased productivity
- Reduced maintenance costs
- Maintained process purity
- Increased safety
Alternatives for Kalrez® Materials
Kalrez® is a highly sought-after material for its many benefits and applications. As such, long lead times and increased costs are expected. However, there are several reliable alternatives to rival Kalrez® in functionality and results, with reduced lead times and cost-effective solutions.
Tecnoflon® is a suitable substitution for Kalrez® materials. It offers the highest performance levels among all FFKM elastomers and features extreme chemical resistance, allowing use across virtually all industries and applications. Specialty grades of Tecnoflon® can be applied to unique and demanding projects, making Tecnoflon® an underrated yet remarkable alternative to Kalrez®.
AFLAS® Premium PM-3000 and evolast® are additional FFKM elastomers that can be used in place of the highly demanded Kalrez® material. Ace Seal supplies a wide variety of FFKM products for superior performance in all sealing applications.
Contact Ace Seal for Dupont™ Kalrez® O-Ring Products
For over 35 years, Ace Seal has been a global, industry-leading supplier of rubber O-rings and custom molded parts. We offer a vast selection of FFKM Kalrez® O-rings, seals, and gaskets at the best prices. Our experts look forward to helping you find the best products for your sealing applications.
