DRAWING-BASED CUSTOM PARTS
Custom Cork Gaskets
Compressible cork-based gaskets for covers, flanges and equipment interfaces where conformability matters.
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Made for Your Application
Cork gasket material combines cellular cork with a rubber binder to make flat seals that accommodate cast-surface variation and moderate bolt loading. Die cutting permits economical custom outlines, holes and narrow webs for maintenance parts and production assemblies.
Material advantage
The granular structure conforms to irregular flange faces while the elastomeric binder improves handling and resilience.
Key features
- Conformable granular surface
- easy die cutting
- moderate oil resistance options
- custom bolt-hole patterns
- low tooling cost.
Custom Specifications
| Thickness range | 0.8-12 mm |
|---|---|
| Typical thickness | 1.5-3 mm |
| Size range | Washers to 1,200 x 1,200 mm sheet layouts |
| Temperature range | -30 to 120 C; binder-dependent |
| Hardness range | Typically Shore A 45-75 |
| Tolerance | Typically +/-0.25 mm profile and +/-10% thickness |
PRODUCT EXAMPLES
Custom Part Gallery
Manufacturing & Finish Options
Production process
Steel-rule die cutting, waterjet cutting and sheet slitting
Manufacturing notes
Punching rules and minimum bridges are adjusted to the cork grain and gasket width.
Adhesive options
Optional acrylic PSA for anti-rattle pads or temporary assembly location.
Surface options
Natural granular face, graphite coating or anti-stick treatment where specified.
Where It Fits
Best for
- Oil pans, valve covers, inspection covers, gear housings, low-pressure fluid joints and vibration-isolating interfaces.
Common industries
- Automotive aftermarket, engines, pumps, power equipment, machinery maintenance and electrical equipment.
Consider another option when
Strong solvents, high-pressure chemical process lines, steam service, or long exposure above the material heat limit.
MATERIAL OPTIONS
Choose the Right Material Construction
Design & Engineering Notes
Design guidelines
Use adequate flange width and avoid very narrow unsupported strips; specify compressed thickness where critical.
Engineering notes
Cork seals work best with even clamp loading and clean mating faces; retorque requirements depend on joint design.
Selection Guide
Select nitrile-bound cork for oil exposure, neoprene-bound cork for weathering, and a denser grade when extrusion control is important.
Material comparison
Cork handles imperfect surfaces better than rigid fiber sheet, while EPDM is better outdoors and PTFE is better for broad chemical exposure.
Standards & requirements
Customer drawing dimensions and agreed material-grade data sheets; application validation by purchaser.
Drawing Requirements
PDF, DXF, DWG, STEP, AI, CAD screenshots and dimensioned sketches can be reviewed. Don’t have a CAD drawing? A dimensioned PDF, sketch or clear image may be sufficient for an initial review.
Frequently Asked Questions
Why use cork for an engine cover gasket?
Cork-rubber can conform to cast surfaces and moderate clamp loads, making it well suited to many serviceable covers.
Can cork gaskets resist lubricating oil?
Nitrile-bound cork is commonly selected for lubricating-oil contact; compatibility should be checked against the actual fluid and temperature.
What thickness is most common for cork gasket sheets?
Many cover gaskets use 1.5 to 3 mm material, but flange rigidity and gap variation should determine the final choice.
Can a cork gasket be reused after service?
Reuse depends on compression set, removal damage and the sealing duty; replacement is normally preferred for critical seals.
DRAWING-BASED MANUFACTURING
Have a Part to Cut?
Send your drawing, dimensions, material requirements and quantity. Our team will review the project and prepare a custom quotation.