Material & manufacturing guide
How to Choose Gasket Thickness
Gasket thickness should support the joint geometry, compression target, surface variation and material behavior. A thickness can be evaluated only in the context of the assembly rather than as a universal rule.
Short Answer
Gasket thickness should support the joint geometry, compression target, surface variation and material behavior. A thickness can be evaluated only in the context of the assembly rather than as a universal rule.
How to Evaluate the Choice
The best option is the one that fits the actual assembly and service conditions. For custom-cut parts, material selection and manufacturing are linked: a drawing defines the profile, while the application determines whether a material construction is appropriate.
| Selection factor | Why it matters |
|---|---|
| Application environment | Include this in the project review so the material and conversion approach can be assessed. |
| Material compatibility | Include this in the project review so the material and conversion approach can be assessed. |
| Part geometry and thickness | Include this in the project review so the material and conversion approach can be assessed. |
| Compression or mounting requirement | Include this in the project review so the material and conversion approach can be assessed. |
| Quantity and production route | Include this in the project review so the material and conversion approach can be assessed. |
Application Examples
Sealing a panel, cushioning an assembly, spacing components and mounting a protective layer all create different material requirements. State the operating environment, contact surfaces and compression or mounting needs instead of relying on a generic product label.
Common Mistakes
- Selecting by name alone instead of application conditions
- Assuming a generic thickness works for every seal
- Leaving out quantity or mounting information from the drawing
Frequently Asked Questions
What should I send for a material review?
A drawing or sketch, the intended application, dimensions, material preference if known, thickness and quantity.
Can a prototype be reviewed first?
Prototype requirements can be reviewed alongside the material and geometry.