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QPL Listed Silicone for the Military and Aerospace Industry

QPL listed Silicone materials for the military and aerospace industry are engineered for sealing applications requiring compliance with Qualified Products List standards used throughout aerospace, defense, and military systems. Silicone elastomers, also known as VMQ materials, are widely used in O-rings, gaskets, diaphragms, environmental seals, connector seals, and custom molded rubber parts installed in military aircraft, avionics systems, aerospace electronics, environmental control systems, and defense equipment. These materials are commonly specified in military and aerospace applications where validated material performance, environmental resistance, and reliable sealing across broad temperature ranges are critical.


Canyon Components supplies high quality QPL listed Silicone sealing solutions for military and aerospace applications including qualified VMQ compounds, environmental sealing materials, and custom molded sealing components. Our team supports aerospace O-rings, gaskets, diaphragms, and custom parts manufactured from Silicone compounds commonly used in military and aerospace systems requiring specification compliance and controlled material performance. We also assist with material cross referencing, aerospace specification review, and sealing optimization for defense and aviation applications.


Common names include: QPL Silicone, qualified Silicone elastomer, military Silicone, aerospace Silicone

Trade names include: Silicone, VMQ, aerospace grade Silicone

Canyon Components supplies high-performance silicone PVMQ and VMQ O-rings engineered for reliable sealing in medical, food-grade, and high-temperature applications.

Silicone Materials Available

This table shows many of our standard materials and links out to our O-ring store. Get in touch with us if you need a custom gasket, custom molded part, or non-standard geometry!

Features of QPL Listed Silicone Materials

  • QPL listed Silicone compounds provide excellent flexibility across extremely broad operating temperature ranges






  • These materials provide stable sealing performance during thermal cycling and altitude changes


  • Specialized aerospace Silicone compounds are available for low outgassing, environmental sealing, and low temperature applications


Limitations of QPL Listed Silicone Materials

  • Silicone compounds generally provide lower abrasion resistance and tear resistance compared to HNBR or FKM materials


  • These materials may not perform well in aggressive dynamic sealing systems involving severe wear conditions



  • Silicone elastomers typically provide lower tensile strength compared to many industrial elastomers


  • Repeated exposure to aggressive aerospace fluids or solvents may reduce service life depending on operating conditions


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.

Military and Aerospace Applications for QPL Silicone Materials

QPL listed Silicone elastomers are widely used in military and aerospace systems where environmental resistance, flexibility, and validated material performance are critical. These materials are commonly installed in military aircraft, avionics systems, environmental control systems, radar systems, connector systems, aerospace electronics, and defense support equipment. Material selection depends on operating temperature, altitude exposure, environmental conditions, fluid compatibility, and aerospace specification requirements.


Canyon Components supports aerospace manufacturers, military contractors, aviation maintenance operations, and defense OEMs with QPL listed Silicone O-rings, gaskets, and custom molded sealing components. Parker material information and aerospace Silicone compound references can be found in the Parker material offering guide and Parker O-Ring Handbook.

Military Aircraft Systems

Silicone compounds are commonly used in military aircraft environmental systems, electronic systems, and aerospace sealing applications.

Aerospace Electronics and Avionics

Defense electronics and avionics systems frequently use Silicone environmental seals for moisture resistance and environmental protection.

Connector and Communication Systems

QPL listed Silicone materials are commonly used in aerospace connector systems and communication equipment.

Radar and Defense Equipment

Military radar systems and defense electronics often utilize Silicone environmental sealing materials exposed to harsh operating environments.

Low Temperature Aerospace Applications

Silicone compounds maintain flexibility at extremely low temperatures encountered in military aviation and aerospace systems.

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.

All Other Silicone Types Available

Silicone PVMQ & VMQ O-Rings & Custom Parts | Flexible High-Performance
Silicone PVMQ & VMQ O-Rings & Custom Parts | Flexible High-Performance

Canyon Components supplies silicone O-rings and custom parts made from VMQ and PVMQ for high-performance sealing in medical, aerospace, food-grade, and industrial applications. Silicone O-rings offer excellent flexibility, temperature resistance, and biocompatibility for critical environments.

Silicone O-ring High Temperature | Heat-Resistant, Flexible Elastomer
Silicone O-ring High Temperature | Heat-Resistant, Flexible Elastomer

Canyon Components offers high temperature silicone O-rings and custom parts designed to withstand continuous exposure up to 600°F. Ideal for aerospace, automotive, food-grade, and industrial sealing where thermal stability and long-term reliability are critical.

Silicone O-Ring Low Temperature PVMQ | Flexible, Cold-Resistant O-ring
Silicone O-Ring Low Temperature PVMQ | Flexible, Cold-Resistant O-ring

Canyon Components supplies low temperature PVMQ silicone O-rings and custom parts engineered for extreme cold, maintaining sealing flexibility down to -112°F. Ideal for aerospace, cryogenic, and industrial applications requiring durable, cold-resistant silicone performance.

Silicone O-Ring Platinum Cured
Silicone O-Ring Platinum Cured

Canyon Components provides platinum cured silicone O-rings and custom parts designed for medical, pharmaceutical, food-grade, and high-purity sealing applications. These O-rings offer superior biocompatibility, thermal resistance, and low-extractable performance for critical environments.

Liquid Silicone Rubber (LSR) O-Rings | Precision Custom Rubber Parts
Liquid Silicone Rubber (LSR) O-Rings | Precision Custom Rubber Parts

Canyon Components supplies liquid silicone rubber (LSR) O-rings and custom rubber parts manufactured for precision, durability, and versatility. Ideal for medical, automotive, and consumer applications, LSR offers biocompatibility, flexibility, and high-performance sealing. Available in Kalrez®, Canrez®, Chemraz®, Parker®, FFKM, FKM, EPDM, silicone, and NBR materials. Oring, O'ring, O ring

Back to Elastomers Hub

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Silicone VMQ and PVMQ O-rings and custom parts from Canyon Components, ideal for applications requiring flexibility, biocompatibility, and thermal stability.

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