Materials are listed in order of least to most expensive.
Nitrile (Buna-N, NBR)
–30°F to 250°F (–34°C to 121°C)
EPDM (Ethylene Propylene, EPM)
–70°F to 300°F (–57°C to 149°C)
Neoprene (Chloroprene, CR)
–35°F to 225°F (–37°C to 107°C)
–65°F to 400°F (–54°C to 205°C)
Viton® (Fluorocarbon, FKM)
–15°F to 400°F (–26°C to 205°C)
Polyurethane (AU, EU)
–40°F to 180°F (–40°C to 82°C)
–100°F to 350°F (–73°C to 177°C)
Aflas® (Tetrafluoroethylene Propylene, FEPM)
25°F to 450°F (–4°C to 232°C)
Kalrez® (Perfluoroelastomer, FFKM)
–15°F to 600°F (–26°C to 316°C)
O-Rings West has been providing the highest quality O-rings and custom-molded rubber products since 1996. We have thousands of satisfied customers around the world, and a 98% on-time delivery record. Our commitment to customer service is unparalleled, as we provide RoHS/Reach-compliant products with full PPAP reports and JIT shipments available. Not only that, but we can create virtually any O-ring or molded rubber product to your exact specifications with OEM pricing and quantity discounts available for larger orders. We also offer free samples upon request, so you can make sure you’re getting exactly what you need before buying it. No matter what type of O-ring or custom molded part you require, O-Rings West is the perfect partner for all your needs.
In addition to offering a wide range of standard sizes in materials such as Nitrile (Buna-N), Viton®, EPDM, Silicone, Neoprene, and PTFE, O Rings West also offers special compounds/colors/durometers which are available in 8 weeks. If you need something even more customized – like Parco Mil-Spec O-rings – they can do that too! And if you’re looking for a custom-molded part then they have low tooling costs with quick turnarounds on quotes usually within the same day. With our commitment to excellence and customer service, it’s no wonder why people keep coming back time after time for all their o ring needs!
O-Rings West’s goal is to be recognized globally for quality, reliability and expertise in all aspects of our business. Our policy is to provide a management system and a working environment that emphasize predetermined quality objectives through continual enhancement of personnel capabilities and quality awareness. This system is based on continuous, permanent quality-system improvements to prevent defects, reduce waste, meet customer expectations and sustain profit. Our Quality Management System is based on ISO-9001-2015.
It is also our intent to provide the highest quality products to our customers while complying with customers’ contractual requirements, our company policies and procedures, and applicable safety, quality and environmental regulations. This policy applies to all O-Rings West personnel.