UL 157 Elastomeric Materials
UL 157 is a widely recognized standard for elastomeric materials used in gaskets, seals, and other sealing components. This specification covers the performance and testing requirements for elastomeric materials that are used in products requiring fire, fluid, and environmental resistance. UL 157 elastomeric materials are essential for applications where safety, durability, and reliability are critical. From electrical enclosures to plumbing fixtures, these materials must meet stringent criteria to ensure long-term performance and compliance with industry standards.
UL Certified EPDM, Fluorosilicone, NBR, Viton, Silicone, CanRez® FFKM and Kalrez® O-rings, gasket rapid manufacturing, & custom molded parts are available now!
Check with one of Canyon’s helpful product engineers for an expert material and manufacturing recommendation.
Features of UL 157 Elastomeric Materials
UL 157 elastomeric materials offer a variety of features that make them suitable for high-performance applications:
- Temperature Resistance: These materials are tested for their ability to withstand both high and low temperatures, ensuring functionality in extreme conditions.
- Fluid and Chemical Resistance: UL 157 elastomers provide resistance to various chemicals, oils, and fluids, which is crucial in applications such as plumbing, automotive, and industrial equipment.
- Environmental Durability: Materials compliant with UL 157 exhibit excellent resistance to ozone, UV radiation, and aging, making them suitable for outdoor and industrial applications.
- Fire and Smoke Compliance: Many UL 157 materials are tested for fire resistance and low smoke generation, making them suitable for safety-critical environments.
- Compression Set Resistance: These materials maintain their shape and sealing properties under pressure, preventing leaks in gaskets and seals.
Common Applications of UL 157 Elastomeric Materials
UL 157 elastomeric materials are widely used across various industries due to their performance in safety-critical and durable applications:
- Electrical Enclosures: Gaskets and seals made from UL 157 elastomeric materials are used in electrical enclosures to protect against moisture, dust, and environmental exposure.
- Plumbing Fixtures: UL 157 elastomers are often used in seals, gaskets, and rings for plumbing systems where water resistance, chemical compatibility, and longevity are essential.
- Automotive Sealing Systems: These materials are used in vehicles for sealing components such as fuel systems, engines, and hydraulic systems, ensuring fluid resistance and durability.
- Industrial Machinery: Gaskets and seals in industrial machinery must withstand high temperatures, chemicals, and wear. UL 157 materials provide the necessary resistance to these factors.
Please consult a Canyon Components Engineer about your specific application and we will use our decades of experience to formulate a solution that fits your need.
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Gaskets and Seals (JMLU2)
Gaskets and seals are essential components in numerous applications where the prevention of leaks, contamination, or damage is critical. Under UL 157, JMLU2-certified gaskets and seals must meet stringent requirements for performance in sealing and environmental protection.
- Key Features:
- High durability in harsh environments
- Excellent resistance to compression set and deformation
- Designed to perform in a range of temperatures and pressure
- Common Applications:
- Used in electrical enclosures, plumbing systems, and industrial sealing applications.
- Suitable for use in applications requiring fire, fluid, and environmental resistance.
Canyon Components strives to meet all customer service requests. Feel free to contact Canyon Components engineering and let our knowledgeable staff help you design the perfect part for your needs.
Gasket Materials (JMST2)
JMST2-certified gasket materials under UL 157 cover the base materials used in the manufacture of gaskets. These materials are tested for their ability to perform under high-stress conditions, including exposure to fluids, heat, and pressure.
- Key Features:
- High resilience and flexibility under varying temperatures and pressures
- Tested for compatibility with different types of fluids and chemicals
- Long-term durability, preventing wear and tear in sealing applications
- Common Applications:
- Found in automotive, industrial, and plumbing systems
- Suitable for gaskets in applications where fluid and chemical resistance are essential
Canyon Components strives to meet all customer service requests. Feel free to contact Canyon Components engineering and let our knowledgeable staff help you design the perfect part for your needs.
Seal Rings (JOHX2)
JOHX2-certified seal rings are a specific type of sealing component that must meet the requirements of UL 157 for performance in fluid and environmental sealing applications. Seal rings are used to prevent leakage and contamination in systems where precision is critical.
- Key Features:
- High resistance to chemical exposure and temperature extremes
- Excellent elasticity and sealing capacity, even after extended use
- Compatibility with a wide range of fluids, including oils and gases
- Common Applications:
- Used in automotive, plumbing, and HVAC systems
- Ideal for applications where repeated sealing under pressure is required
Canyon Components strives to meet all customer service requests. Feel free to contact Canyon Components engineering and let our knowledgeable staff help you design the perfect part for your needs.
Composite Gasket Materials (JMST)
Composite gasket materials, certified under JMST in UL 157, are used in specialized applications requiring a combination of materials to achieve superior performance. These materials are often layered or reinforced to provide enhanced sealing capabilities in complex environments.
- Key Features:
- Multi-layer construction for enhanced durability and sealing efficiency
- Resistance to harsh chemicals, high temperatures, and environmental stressors
- Customized for specific industrial and aerospace applications
- Common Applications:
- Used in critical systems like aerospace, oil and gas, and chemical processing
- Ideal for applications requiring high-pressure, high-temperature, and chemical resistance
Canyon Components strives to meet all customer service requests. Feel free to contact Canyon Components engineering and let our knowledgeable staff help you design the perfect part for your needs.
UL Certified Materials
UL Certified Materials
Explore UL Certified Materials: rigorously tested for safety and performance, meeting strict standards for reliability in various industries.
Specialty Compliances
Canyon have materials available for O-rings, gaskets, & custom parts with compliances ranging from USP Class VI <87> & <88> for medical applications, to FDA CFR 21.177.2600 grades A through F for different food types, to the various drinking water specifications like KTW and NSF. Whether it's metal, rubber, or plastic, Canyon can meet your needs!
Custom Parts
Here at Canyon Components, we make sure to offer our customers any manufacturing technique they desire. Whether your clean room manufactured O-rings, gaskets, & custom molded parts be rubber, plastic, or metal, rest assured that Canyon Components can make it!
CanRez™ FFKM Perfluoroelastomer
Extreme temperatures & chemicals require extreme solutions! UL Certified and Compliant CanRez™ FFKM materials offer extreme reliability where you need it most! Thousands of sizes in stock now!
Kalrez® FFKM Perfluoroelastomer
Canyon Components offers Kalrez® Perfluoroelastomer (FFKM) O-rings, gaskets, & custom molded parts at competitive prices and with great lead-times.
Clean roUL Certified and Compliant Parker® O-rings, Parofluor parts, parker FKM Viton
Canyon Components offers UL Certified and Compliant Parker Hannifin® O-rings, Gaskets, Perfluoroelastomer (FFKM) parts, & custom molded parts at competitive prices and with great lead-times.
FKM (Viton®, Fluorocarbon)
UL Certified and Compliant FKM compounds, O-rings, gaskets, & custom molded parts exhibit excellent mechanical attributes as well as excellent resistance to high temperatures, mineral oil, ozone, fuels, hydraulic fluids, and many other solvents and chemicals.
Aflas® (TFE/P)
UL Certified and Compliant TFE/P (Aflas) compounds, O-rings, gaskets, & custom molded parts gives high resistance to steam, hot water, atmospheric wear, and many chemicals. TFE/P compounds provide superior performance in water, steam and virtually all caustic chemicals.
Fluorosilicone (FVMQ)
The mechanical and physical properties of UL Certified and Compliant Fluorosilicone O-rings, gaskets, & custom molded parts are very similar to silicone. Fluorosilicone O-rings, gaskets, & custom molded parts offer improved flexibility and strength, better resistance to fuels and mineral oil, but reduced hot air resistance.
Silicone (VMQ, PVMQ)
UL Certified and Compliant Silicone seals, O-rings, gaskets, & custom molded parts are excellent for extreme temperatures in static applications. Canyon Components carries a range of silicone materials, and we are happy to custom tailor a seal to meet your application requirements!
EPDM (Ethylene Propylene)
UL Certified and Compliant EPDM materials, O-rings, gaskets, & custom molded parts can operate over a wide temperature range, and are compatible with glycol fluids that cause problems for most typical elastomeric seals.
NBR (Nitrile, Buna-N)
UL Certified and Compliant Nitrile O-rings, gaskets, & custom molded parts are very oil-resistant, have strong mechanical properties, are resistant to wear, and are relatively inexpensive. These properties make Nitrile the most commonly used general purpose O-ring, gasket, & custom molded part material.
HNBR (Hydrogenated Nitrile)
UL Certified and Compliant Hydrogenated Nitrile O-rings, gaskets, & custom molded parts offer higher strength and reduced degradation at high temperatures compared to conventional Nitrile materials. These properties make HNBR materials popular in the oil and gas industry, as well as many applications in the chemical industry.
XNBR (Carboxylated Nitrile)
UL Certified and Compliant XNBR O-rings, gaskets, & custom molded parts are similar to Nitrile, but the backbone has been chemically modified with a Carboxylic Acid group. The resulting elastomer is a Nitrile rubber with outstanding abrasion and chemical resistance, superior to that of traditional Nitrile.
Neoprene (CR)
Chloroprene was the first synthetic rubber, and was developed commercially under the name Neoprene®. UL Certified and Compliant Chloroprene rubbers, O-rings, gaskets, & custom molded parts contain Chlorine in the polymer to reduce the reactivity to many oxidizing agents, as well as to oil and flame.
Polyurethane (PU, AU)
UL Certified and Compliant Polyurethane O-rings, gaskets, & custom molded parts generally have two or three times greater tensile strength and wear resistance than Nitrile and comparable polymers. Polyurethane also provides excellent permeation resistance when compared to most rubbers.
Spring Energized Seal (SES)
The harshest environments require specialized solutions. Often times, a Canyon Components UL Certified and Compliant Spring Energized Seal (SES) will be needed. SES are typically formatted in a multi-piece assembly consisting of a polymeric sealing component that is wrapped around a spring energizer.
UL Certified Plastics
UL 157 Materials Pros & Cons
UL 157 elastomeric materials play a crucial role in ensuring safety, reliability, and performance in a wide range of sealing and gasket applications. With certifications covering gaskets and seals (JMLU2), gasket materials (JMST2), seal rings (JOHX2), and composite gasket materials (JMST), these materials are designed to perform in harsh environments and meet stringent regulatory requirements. While they may come at a higher cost, their durability, compliance, and versatility make them an essential choice for critical industrial, automotive, and aerospace applications. Understanding the features, applications, and limitations of UL 157 elastomeric materials will help you make informed decisions for your sealing needs.
Canyon Components strives to meet all customer service requests. Feel free to contact Canyon Components engineering and let our knowledgeable staff help you design the perfect part for your needs.
Pros of UL 157 Elastomeric Materials
UL 157 elastomeric materials offer numerous benefits that make them suitable for a wide range of applications:
- Regulatory Compliance: These materials meet strict safety standards, ensuring compliance with industry and government regulations.
- Long-Lasting Durability: UL 157 elastomers provide long-term performance in harsh environments, reducing the need for frequent replacements.
- Temperature and Chemical Resistance: These materials can withstand extreme temperatures and chemical exposure, ensuring functionality in a variety of environments.
- Versatility: UL 157 elastomers are available in a range of formulations, making them suitable for numerous applications across different industries.
Cons of UL 157 Elastomeric Materials
Despite their advantages, there are some limitations to UL 157 elastomeric materials:
- Higher Costs: Due to the rigorous testing and certification process, UL 157 materials may be more expensive than non-certified alternatives.
- Limited Material Selection: Not all elastomeric materials can meet the requirements of UL 157, which may limit options for certain specialized applications.
- Application-Specific Requirements: Some applications may require additional testing and certification beyond UL 157, depending on the environment or industry-specific regulations.
Relevant Compliances
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USP Class VI Materials: Certified for Medical and Pharmaceutical Applications
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FDA Compliant Materials: Safe and Reliable Solutions for Food and Medical Applications
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