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Cleanroom Doors, Windows and Interlock Systems
Airtight Cleanroom Door Gasket
A smooth resilient perimeter seal that compresses between the cleanroom door leaf and frame to limit uncontrolled air leakage.
- Continuous Perimeter Seal
- Low Compression Set
- Replaceable Profile
- Smooth Cleanable Surface
Product Introduction
The airtight cleanroom door gasket is extruded from silicone or EPDM into a hollow bulb, blade or multi-lip profile sized to the door-frame groove. Controlled compression closes small installation tolerances around the jamb and head while allowing the leaf to operate without excessive force. A clip-in, channel-retained or bonded base keeps the exposed seal continuous and permits replacement when the compression profile eventually wears.
Key Features
Smooth non-porous surfaces support regular wipe-down without exposed fibres.
Moulded or bonded corner joints preserve continuity around rectangular door openings.
Replaceable channel-retained profiles reduce downtime when the sealing lip is damaged.
Customer Product Concerns
Perimeter leakage often occurs at corners and variable frame gaps rather than across the center of the door leaf.
A hard seal increases closing force and prevents the latch from seating consistently.The hollow gasket profile compresses at a controlled load across the designed gap.
Cut corners separate over time and create direct leakage paths.Continuous extrusions are joined with moulded or vulcanized corner connections.
A permanently bonded gasket is difficult to replace after mechanical damage.Clip-in and channel-retained bases allow the worn profile to be removed independently.
Typical Applications
Cleanroom door perimetersBio-containment room entrancesLaboratory airlocksControlled-temperature clean spaces
Technical Parameters
Representative material and profile ranges for an airtight cleanroom perimeter gasket are listed below.
| Core Material | Closed-cell silicone, solid silicone or EPDM elastomer |
|---|---|
| Panel Thickness | Approximately 6–15 mm compressed profile thickness |
| Effective Width | Approximately 12–30 mm sealing-face width |
| Maximum Length | Up to 6000 mm continuous coil length before corner joining |
| Steel Facing Thickness | 0.8–1.0 mm stainless-steel retainer where a metal carrier is selected |
| Core Density | Approximately 500–1300 kg/m³ depending on cellular or solid elastomer |
| Thermal Conductivity | Approximately 0.15–0.30 W/(m·K) for silicone or EPDM material |
| Surface Finish | Smooth non-porous black, gray, white or translucent elastomer surface |
| Joint Type | Clip-in, channel-retained or bonded perimeter profile with sealed corner joints |
| Customization | Available based on the intended application and operating environment. |
Available Options
Silicone or EPDM compoundBulb, blade or multi-lip profileBlack, gray, white or translucent colorMoulded corner and stainless carrier sets
Planning a Airtight Cleanroom Door Gasket specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
