Ace Seal, LLC - San Jose, CA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of standard & custom fluoroelastomer & perfluoroelastomer O-rings including Kalrez®, Isolast® & Chemraz® elastomeric PTFE O-rings. Available in hardnesses from 25 durometer to 95 durometer, cross-sections from 1/16 in. to 1/4 in., IDs from 1/32 in. to 26 in. & ODs from 3/32 in. to 26-1/2 in. O-rings are also available in metric, inch & JIS specifications. QS 9000 & ISO 9002 approved.
www.aceseal.com/o-rings.html

Arizona Sealing Devices, Inc. - Chandler, AZ
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom elastomeric PTFE & Chemraz® O-rings. Types of O-rings include FDA approved O-rings, commercial & military O-rings & non-standard O-rings. Available in metric & standard sizes. O-rings can be customized as per ID, OD, cross section & thickness specifications.
www.azseal.com

Marco Rubber & Plastic Products, Inc. - Seabrook, NH
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep, Service Company
Distributor of O-rings including Chemraz® elastomeric PTFE O-rings. Types of O-rings include metric, special, MS, AS, AN, AMS. NAS, 2-size, AS568, JIS & BS O-rings. Specifications include hardness from 75 to 90, temperature range from minus 22 degrees F to 615 degrees F & tensile strength from 1300 psi to 2580 psi. Services include groove designing, failure analysis, materials selection & fluid compatibility analysis. Industrial market served. Military specification O-rings are also available.
Brand Names: Greene Tweed, International Seal, Parco, Parker Seals
www.marcorubber.com/orings.htm

Ponn Machine Cutting Co., Inc. - Woburn, MA
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom gaskets, O-rings, seals, EMI shielding, molded parts & extrusions. Various materials include butyl, EPDM, natural rubber, fluorocarbon, Hydrin®, neoprene, silicone, urethane & nitrile. Tubing, cord, mounts, caps, bellows, closeouts, appliances & V-grooves are also available. Applications include mobile communications, computing devices, medical, electronics & military equipment. Capabilities include waterjet, laser, kiss & automated die-cutting, tube slicing, molding, wire EDM & CNC machining.
www.ponnmachine.com

H & D Distributors, Inc. - Dallas, TX
Distributor, Custom Manufacturer
Stocking distributor of Chemraz® elastomeric PTFE O-rings including perfluoroelastomer O-rings. Chemraz® O-rings are available in black & white colors with 70 shore A to 90 shore A hardness & temperature ranging from minus 15 degrees C to 325 degrees C. Chemraz® O-rings are suitable for less critical contamination & high temperature application systems.
Brand Names: Greene Tweed
www.hddistributors.com/

Anchor Rubber Products - Newington, CT
Distributor, Manufacturer, Custom Manufacturer
Custom manufacturer & distributor of Chemraz® elastomeric PTFE O-rings for industrial applications. Specifications of O-rings include 1,300 psi to 1,830 psi tensile strength, 70A to 95A hardness, 100 percent to 190 percent elongation & -20 degrees F to plus 615 degrees F temperature. O-rings are available in black, white & cream colors & are suitable for sealing natural gas power generators & truck diesel engines.
www.anchorrubber.com/o-rings/perfluoroelast...

H.S. Martin, Inc. - Vineland, NJ
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom laboratory & process glassware used for distillation, reaction, cryogenics & general scientific & research purposes. Products include flasks, valves, columns, condensers, coolers, heat exchangers, reactors, pipes, fittings, couplings, flanges, thermocouples, thermowells, controllers, transformers, adapters, vacuum pumps & traps. Adapters, agitators, barometers, gaskets, blades, bubblers, bushings, cables, clamps, coils, controllers, flanges, funnels, hangers, plugs, probes, receivers, rods, stabilizers, timers, stirrers, transformers, trays & washers are also available. Capabilities include relocation, repair, installation, moving & engineering. Industries served include health care, aerospace, educational, petroleum, chemical & pharmaceutical.

Lansco Manufacturing - Chagrin Falls, OH
Manufacturer, Custom Manufacturer, Service Company
Manufacturer O-rings. Includes high temperature & metric seals, ASTM, abrasion resistant, chemical resistant, custom, elastomeric, encapsulated, FDA approved, fluoroelastomer, fluorosilicone, high pressure, high temperature, high tolerance, hollow, hygienic, metric, microminiature, neoprene, nitrile, perfluoroelastomer, polyurethane, silicone, spliced, SBR, PTFE, vinyl, & Viton® O-rings.
www.lanscomfg.com/index.html

Fluid Power Sealing - Mars, PA
Distributor, Custom Manufacturer, Service Company
Stocking distributor of all type JIS O-ring, AS568 & metric O-ring & backups, O-ring cord of all materials including Buna-N (nitrile), EPDM (ethylene propylene), fluoroelastomer (Viton®, fluorel) neoprene, silicone, urethane, PTFE based materials FEP & PFA encapsulated O-ring & quad rings. Also other materials which have acid, chemical & oil resistant properties.

Gates Corporation - Denver, CO
Manufacturer, Custom Manufacturer
Manufacturer a full line of O-rings, couplings & adapters for hydraulic or industrial transfer applications, including acid-chemical, air, water, food & beverage, oilfield, petroleum, material handling, pressure washer, steam, multi-purpose, marine & special applications.

E.T. Associates - Hartford, CT
Distributor, Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer & distributor of O-rings including elastomeric PTFE, Chemraz®, fluoroelastomer & perfluoroelastomer O-rings. Types include molded, spliced, encapsulated & cord type O-rings. Available in standard, non-standard & metric sizes. O-rings are also available in FDA, WRAS, NSF, USP Class VI & USDA 3 A approved materials & Military Spec. grade materials.

KMC Seal Co., Ltd. - Brisbane, CA
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of JIS metric Buna, Viton® & silicone O-rings PTFE back-ups rings, joint-vulcanized O-rings, watch miniatures, grommets, diaphragms, custom-molds, military & FDA-approved O-rings made to specs. in any material.

Regional Rubber Co. - Lilburn, GA
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep
Manufacturer & distributor of standard & custom O-rings in materials including Chemraz® elastomeric PTFE, Isolast®, Kalrez®, Viton® & silicon. Types include metric O-rings, conductive O-rings, molded O-rings, extruded O-rings & spliced O-rings. Available in custom sizes, profiles & colors. Capabilities include die cutting, molding, extruding, splicing & hand fabrication. Services include CAD designing, material selection assistance & prototyping. Materials meet ASTM & Military Specs.

Seal & Design, Inc. - Clarence, NY
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO/TS 16949:2002 certified manufacturer & distributor of O-rings including Chemraz® elastomeric PTFE, coated & Viton® O-rings. Services include packaging, bar coding & private labeling. Capabilities include CNC machining, high speed die cutting & in house bun skiving & laminating. Markets served include automotive, electronics, aerospace, defense, power generation, copier, hydraulics, filtration, pump, valve, compressor, medical & lighting. Military Spec. O-rings available. FDA & UL® approved.

MKS Instruments, Inc. - Andover, MA
Distributor, Manufacturer, Custom Manufacturer
Manufacturer of O-rings in materials such as Chemraz® elastomeric PTFE & Kalrez® O-rings. Types include pneumatic O-rings, toggle O-rings & knob O-rings. Services include 24/7 technical support including telephone troubleshooting & NIST traceable calibration, repair & calibration, field services & training. ISO 9001:2000, ISO 14001: 2004, ISO/IEC 90003:2004 & OHSAS 18001:1999 compliant.

FloDynamix - a Div. of NuGenTec - Emeryville, CA
Manufacturer, Service Company
ISO 9000 certified custom manufacturer of O-rings & seals made from Chemraz® elastomeric PTFE, Isolast® & Kalrez®. O-rings are available with -85 degrees C to +320 degrees C operating temperature. Valve stem packing, low closure force & metal detectable seals & custom shapes are also available. Industries served include oil & gas, chemical processing & electronics. FDA, 3-A & USP Class VI compliant.
Brand Names: FloDynamix

Grainger Industrial Supply - Locations
Distributor
Distributor of custom o-rings in a variety of measures. Available o-ring shapes include round, rectangular & quattro. O-ring specifications include fractional widths ranging from 1/8 in. to 1 in., inside dia. ranging from 3/4 in. to 9 in. & a variety of outside dia. Materials used include Buna N, Viton, EPDM, silicone, Buna, PTFE, Hytrel, neoprene, FEP with silicone core, FEP with Viton core, glass filled nylon, polyurethane & Viton ETP. Available in a variety of colors, effective temperature ranges & durometer ratings. O-rings meet SAE J200 & ASTM D2000 standards. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.

Fluid Connector Products, Inc. - Portland, OR
Distributor, Custom Manufacturer
Stocking distributor of O-rings including chemical resistant Chemraz® elastomeric PTFE O-rings. O-rings are available with 30 shore A to 95 shore A hardness & operating temperature up to 608 degrees F. O-rings are suitable for transportation, semiconductor & chemical processing, aerospace & oil field applications.
Brand Names: Parker

Apple Rubber Products, Inc. - Lancaster, NY
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified manufacturer of Chemraz® elastomeric PTFE & Viton® O-rings. O-rings are available in inner dia. ranging from 0.794 mm to 66.04 cm, outer dia. ranging from 2.38 mm to 67.37 cm & cross sections ranging from 0.794 mm to 6.35 mm. Materials include fluorocarbons including Viton® & Fluorel®, fluorosilicone, polyurethane, Buna-N (nitrile), EP (ethylene-propylene), silicone & Neoprene<>R. Capabilities include transfer molding, compression molding, liquid injection molding, CNC machining & bonding process. RoHS compliant.

Performance Sealing, Inc. - Santa Ana, CA
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of O-rings including high pressure O-rings, high temperature O-rings, elastomeric PTFE O-rings, & high tolerance O-rings used where optimum sealing performance is required. Available in various combinations of jacket & spring materials. Temperature range of minus 450 to plus 600 degrees F.

The O-ring Store - Lewiston, ID
Distributor
A full line of O-rings available from stock or by special order in various durometers & colors including: Viton® O-rings, Buna-N O-rings, Kalrez ® O-rings, Simriz® O-rings, silicone O-rings, Chemraz® O-rings, EPDM O-rings, fluorosilicone O-rings, PTFE O-rings, Neoprene O-rings, metric O-rings, back-up rings, quad rings, square rings, spliced O-rings, custom O-rings, mil-spec O-rings, O-ring kits, O-ring cord, FEP encapsulated O-rings, Parker O-rings & seals.