Your custom gasket, engineered to spec.
Cannon Gasket cuts custom non-metallic gaskets to your exact drawing, in the rubber, plastic, foam, fiber, or composite your application demands. In-house tooling and six fabrication processes carry your part from a single prototype to high-volume production, all ISO 9001 certified and made in the USA since 1971.
Quick facts about Custom Gaskets
- Cut to your drawing in rubber, plastic, foam, fiber, and composite materials
- Six in-house fabrication processes, matched to your part
- Prototype through high-volume production
Request a quote for your custom gasket.
Custom Gaskets
Built for your part, not pulled from a shelf.
A custom gasket is a sealing part cut to your exact drawing, in the material your application demands, rather than chosen from a catalog of stock sizes. Cannon Gasket has produced custom gaskets to spec since 1971, converting non-metallic sheet, roll, and tube stock into precision seals for OEM programs across aerospace, medical, automotive, electronics, and industrial markets.
Every custom gasket starts with your geometry and service conditions. We match the right material to your fluid, temperature, pressure, and compliance requirements, build the tooling in house, and cut the part on the process that fits its size, tolerance, and volume. Quoting, tooling, inspection, and packaging all happen at our ISO 9001 certified plant in Fontana, California.
Fabrication Capabilities
Six ways to cut your gasket.
Different parts want different tools. We choose the cutting method per program based on material, part geometry, tolerance, and annual volume. For the full step-by-step build, see our custom gasket manufacturing overview.
Steel Rule Die Cutting
Cost-effective tooling for prototypes, large-format gaskets, and flexible substrates.
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Rotary Die Cutting
High-speed continuous-web cutting for thin-gauge and adhesive-backed materials at volume.
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Flash Cutting
Tool-free CNC blade cutting for fast prototypes and short runs straight from your CAD file.
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Lathe Cutting
Precision rings, washers, and seals turned from tube stock to tight ID and OD tolerances.
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Slitting & Sheeting
Roll and sheet conversion that feeds downstream die cutting and lamination.
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Machining
Tool-room machining of plastics and composites to tolerances as tight as plus or minus .001 in.
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Gasket Materials
Any material your seal calls for.
We stock and cut five families of gasket material, each with grades tuned for a different job. Browse the full gasket material catalog for specs on every compound.
Rubber & Elastomers
EPDM, Buna-N, Viton, silicone, neoprene, fluorosilicone, and more, matched to your fluid, temperature, and regulatory exposure. FDA and military-spec grades available.
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Sponge & Foam
Open- and closed-cell sponge and structural foam for low-pressure sealing, vibration damping, dust and weather barriers, and thermal insulation, with PSA backing on request.
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Plastic & Thermoplastic
PTFE, UHMW, nylon, polycarbonate, Mylar, and Kapton cut to drawing for chemical resistance, dielectric isolation, and dimensional stability where compression is not wanted.
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Fiber & Composite
Compressed fiber, flexible graphite, cork-rubber, and non-asbestos sheet for steam, high-temperature, chemical, and high-pressure flange service.
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EMI / RFI Shielding
Conductive elastomers, wire-mesh-in-silicone, and metal-wrapped conductive foam that seal and shield electronic enclosures in one part.
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Applications
Where a custom gasket earns its keep.
From flange faces to electronic enclosures, a gasket cut to the right shape in the right material is the difference between a seal that holds and one that fails in service.
Flange Sealing
Custom-cut gaskets that seal pipe flanges, manifolds, and equipment covers against fluid, gas, and pressure across a wide temperature range.
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Enclosure & Cover Seals
Die-cut perimeter gaskets and cover seals that keep dust, water, and contaminants out of housings, panels, and access covers.
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Vibration & Cushioning
Sponge and foam pads that damp vibration, absorb shock, and cushion mating surfaces in mounts, panels, and instrument assemblies.
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Fluid & Chemical Handling
Chemically resistant gaskets and seals for pumps, valves, and process lines exposed to fuels, solvents, and aggressive media.
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EMI / RFI Shielding
Conductive elastomer and wire-mesh gaskets that seal an electronic enclosure and block electromagnetic interference in a single part.
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Thermal & Electrical Insulation
Kapton, Nomex, and fiber parts that insulate against heat and provide dielectric isolation where a compression seal is not the goal.
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Pump & Valve Sealing
Gaskets, diaphragms, and seals engineered for the pressure, chemical, and temperature demands of pump and valve service.
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Weather & Dust Barriers
Closed-cell sponge and elastomer seals that weatherproof outdoor enclosures, lighting, and equipment against rain, dust, and UV.
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Industries Served
Trusted across regulated and industrial markets.
Custom-engineered gaskets ship to OEMs in markets that do not accept off-the-shelf compromise, from flight-critical aerospace seals to high-volume automotive production.
Aerospace & Defense
Flight-critical gaskets, EMI shields, and insulators in qualified compounds with full material traceability.
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Automotive
High-volume gaskets, washers, and seals for OEM and Tier 1 programs running JIT, VMI, and Kanban.
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Medical & FDA
FDA 21 CFR 177.2600 and USP Class VI grade components, clean-room cut for medical and diagnostic devices.
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Electronics & EMI
Shielding gaskets, display seals, and insulators that protect sensitive electronics from interference and contamination.
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Food & Beverage
FDA-grade silicone, EPDM, and PTFE seals built to survive clean-in-place cycles and direct food contact.
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Oil & Gas
Sour-service and high-pressure gaskets in HNBR, Viton, flexible graphite, and PTFE for upstream and processing equipment.
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Industrial & Controls
Custom gaskets and washers for fluid handling, processing machinery, and factory automation.
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Plumbing
Potable-water and chlorine-resistant washers, hose gaskets, and valve seals for fixtures and fittings.
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HVAC
Gaskets and seals that hold up to temperature swings, condensation, and vibration in heating and cooling equipment.
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Pool & Spa
Weather- and chemical-resistant seals for pumps, lights, and fittings in pool and spa equipment.
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Why Cannon Gasket
One source from drawing to dock.
In-House Tooling Since 1971
Steel-rule, compound, rotary, and lathe tooling is designed and built in our Fontana, California tool room. No third-party hand-offs and no outside lead-time variability.
ISO 9001 Certified
Documented in-process and final inspection, calibrated measurement, lot traceability, and certificates of conformance, with PPAP and FAI on request.
Prototype to Production
From a single first-article sample to high-volume release programs with JIT, VMI, and Kanban scheduling against your forecast.
One Source, Six Processes
We choose the cutting method per part by geometry, material, tolerance, and annual volume, so you get the right part at the right cost per piece.
Frequently Asked Questions
Common questions about custom gaskets.
Are you ISO 9001 certified?
Yes, ISO 9001:2015 certified. Documented quality management covers incoming material verification, in-process inspection, calibrated measurement, final inspection, non-conformance handling, corrective action, and full lot traceability. AS9100-ready for aerospace, with MIL-spec and FDA 21 CFR 177.2600 / USP Class VI grades available on request.
Can you cut custom gasket profiles?
Yes. Custom steel-rule and rotary tooling is built in-house from your drawing or DXF. Complex profiles, multiple through-cuts, tight bolt patterns, and irregular perimeters are all standard work.
Can you supply PSA-backed gaskets?
Yes. Pressure-sensitive adhesive backing is a standard option on most rubber and fiber gasketing, with either permanent or removable liners. Kiss-cut on liner and through-cut both supported on flatbed and rotary presses.
What tolerances can you hold on gasket dimensions?
Standard die-cut tolerance is ±0.010 to ±0.015 inch on OD and ID, depending on material durometer and thickness. Tighter tolerances are available on select grades and thicknesses. Ask if your drawing specifies something tighter and we will confirm feasibility during the quote.
Which gasket material is right for my application?
Start with temperature range, fluid contact, and regulatory requirements. Buna-N is the default for oil and fuel. EPDM for weather, water, and steam. Silicone for extreme temperature and FDA grades. Viton for aggressive chemicals. Our gasket material selection guide walks through the decision framework.
How fast do you return a quote?
Most RFQs come back within one business day. Simple profile updates to an existing tool quote same-day. Send a drawing, DXF, or competing part number and our engineering team reviews material, tolerance, and volume before pricing.
What is the minimum order quantity?
Minimums depend on the part and material. We cut prototype and first-article quantities for engineering evaluation, then scale up to production volumes from the same tooling. For high-volume programs we run JIT, VMI, and Kanban replenishment out of Fontana, California.
What should I send with an RFQ?
Ideal: a drawing or DXF, material spec (or compound family), estimated annual volume, and any regulatory callouts (FDA, USP Class VI, AS9100, MIL-spec). If you only have a sample or a part number from a competing supplier, send that and we will reverse-engineer the spec before quoting.
What are typical lead times?
Prototype and first-article parts usually ship in 5-10 business days. Production runs from existing tooling are 2-3 weeks depending on volume and material lead time. Rush and expedite options available on a case-by-case basis.
Send your drawing for a custom gasket quote.
Tell us material, dimensions, tolerances, and volume. We respond with pricing, tooling cost, sample parts, and lead time within one business day.
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