Closed cell EPDM foam rubber from Double Stick Tape Company is supplied as a manufacturer for EPDM sheet, roll, slit strip, gasket, profile, and extrusion seal projects. This category covers closed cell grades, semi closed cell EPDM sponge, open cell options, firm grade material, die-cut gasket, cabinet seal, HVAC seal, enclosure seal, and adhesive backed EPDM foam used only for installation positioning. Selection is based on the sealing gap, density grade, compression behavior, drawing size, and outdoor working conditions.
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Closed cell EPDM foam rubber is normally chosen when a sealing part needs to handle weather, UV, ozone, moisture, dust, and repeated compression. In this category, the key question is not only “what thickness is available?” but whether the material can keep contact after installation.
For procurement teams, converters, and engineering teams, EPDM foam material properties should be checked against the real assembly condition. A 3 mm strip for a light cabinet door, a 10 mm HVAC access panel gasket, and a hollow profile seal for outdoor equipment may all use EPDM sponge rubber, but the closing force, contact width, rebound, and cutting method are different. Before confirming sheet, roll, strip, die-cut, or extrusion supply, it is better to review the working gap, water exposure, temperature cycling, and contact surface.
Double Stick Tape Company supplies EPDM sheet, roll, block, slit strip, gasket blank, die-cut gasket, waterjet cut part, door seal, cabinet seal, enclosure gasket, weatherstrip, and extruded EPDM seal profile. Closed cell grades are the first choice for air and water sealing because they help reduce water absorption and support outdoor contact. Semi closed cell EPDM sponge is used when the sealing surface is uneven or when a softer closing feel is needed. Open cell or semi-open sponge can be used for cushioning or low-pressure contact, but wet sealing should be tested in the actual assembly.
A good selection starts from the gap, not from the catalog thickness. For many foam gasket designs, 25%-35% working compression is a practical reference for air sealing. Water sealing usually needs 35%-50% compression after sample fitting. If compression is too low, air, dust, or water can pass through the contact line. If compression is too high, the material may take a higher compression set, lose recovery, or make the door or cover hard to close.
Density and compression deflection should be reviewed together. A soft grade can close easily on small cabinet doors, light covers, or slightly uneven surfaces.
Closed cell EPDM foam rubber is usually used where the seal must resist air leakage, water splash, weather exposure, ozone, and repeated door or cover compression. It works well for cabinet seals, electrical enclosure gaskets, HVAC access panels, vehicle body seals, and industrial equipment covers where the foam needs to keep contact after compression. The final choice should be based on gap height, compression percentage, density grade, recovery requirement, and whether the part will be supplied as sheet, roll, slit strip, die-cut gasket, or extruded profile.
Item | Typical Range / Customizable Value |
Material family | EPDM sponge rubber, cellular rubber, closed cell, semi closed cell, open cell, firm grade |
Product form | Sheet, roll, block, slit strip, die-cut gasket, waterjet cut part, extruded seal profile |
Standard color | Black; gray or custom color can be evaluated by compound and order requirement |
Thickness range | 1 mm-50 mm for sheet and strip; thicker block available for gasket cutting |
Roll width | 100 mm-1500 mm depending on foam grade, thickness, and converting method |
Sheet size | 500 mm x 500 mm, 1000 mm x 1000 mm, 1000 mm x 2000 mm, or custom cut size |
Strip width | 5 mm-500 mm slit width; tolerance depends on thickness, foam softness, and winding stability |
Density grade | Soft, medium, firm; selected by compression load and closing force |
Compression deflection | Soft to firm range for 25% compression; confirm by gasket pressure requirement |
Temperature range | Typical working reference -40 C to 120 C; special grade evaluation by application |
Weather resistance | UV, ozone, aging, and outdoor exposure resistance for construction, HVAC, and vehicle sealing |
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Customization should start from the drawing, sample, or assembly condition. For sheet and roll supply, we can adjust thickness, width, length, density grade, cell structure, surface condition, and adhesive backing. For gasket production, useful drawing details include outer dimension, inner cutout, screw hole position, slot shape, corner radius, tolerance, and liner format. If the part will be compressed by a door, cover, screw, or clip, the drawing should be reviewed together with real gap height and target compression rate.
EPDM foam rubber parts should not be selected by thickness alone. For gasket and seal production, the actual gap, target compression rate, closing force, density grade, and expected recovery should be confirmed before production. A soft grade may seal a light cabinet door with low closing force, while a firm grade may be better for larger covers, outdoor panels, or parts that need stronger rebound.
Closed cell EPDM foam rubber has low water absorption and can support air and water sealing when the gasket is compressed correctly. Final sealing performance still depends on the contact surface, gasket width, compression percentage, and sample fit result.
Closed cell EPDM is preferred for moisture resistance and air or water sealing. Semi closed cell EPDM sponge is softer and more conformable, so it can fit uneven surfaces or lower closing-force designs when the compression setting is controlled.
Yes. It can be supplied as sheet, roll, slit strip, block, die-cut gasket, waterjet cut part, door seal, cabinet seal, enclosure gasket, or extruded seal profile according to drawing dimensions and application requirements.
Confirm the sealing gap, working compression, density grade, compression deflection, EPDM foam temperature range, UV or ozone exposure, water contact, drawing tolerance, and sample assembly result. These details help prevent over-compression, leakage, unstable contact, and poor recovery after installation.
