Epdm rubber gasket
EPDM is a synthetic elastomer used in gaskets where the selected compound’s resistance to weather, ozone or particular fluids suits the joint. It is often considered for water-related service, but temperature and chemical concentration still matter. EPDM generally has poor compatibility with petroleum oils, so it should not be treated as a universal chemical-resistant gasket.
Specify the sealing outline, thickness, openings and fixing-hole positions against the mating faces. The joint must provide appropriate compression and support without damaging or displacing the gasket. Depending on its geometry, a gasket can be cut, molded or made from an extruded profile; EPDM gaskets are not all produced by the same process.
Compare materials using properties relevant to the actual joint, such as compression behavior, temperature and medium compatibility. EPDM is not universally a fixed percentage stronger than other rubbers. Assess the selected formulation in the assembled joint and include exposure to cleaning agents and outdoor conditions where relevant.
Product specifications
- Material
- EPDM synthetic elastomer in a formulation matched to the joint.
- Gasket geometry
- Outline, thickness, openings and fixing-hole positions.
- Joint assembly
- Define support, compression and mating-face alignment.
- Medium selection
- Evaluate actual chemicals and temperature; petroleum oils are generally unsuitable for ordinary EPDM.
- Construction options
- Select cut, molded or extruded construction to suit the gasket geometry.
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