Atlantic Gasket Corporation stocks both sponge and foam materials, which exhibit different mechanical and physical properties. Each is available in several densities, and polymer variations that make them suitable for diverse applications from gaskets, seals, spacers and cabinet bumpers to adhesive backed tapes just to mention a few of the most common uses. Read on or contact Atlantic Gasket directly for more information on the material specifications for sponge and foam.

Sponge Materials:

Closed Cell Neoprene

Closed Cell Neoprene offers good resistance to acid, alkali, gasoline, and oil. Closed Cell Neoprene is excellent for applications that require resistance to UV, oxidation and ozone in long-term outdoor applications. This series of closed cell Neoprene is a 100% Neoprene rubber and is available in Soft (SCE41NEO), Medium (SCE42NEO) and Firm (SCE43NEO) density and has a temperature range of -70° F to + 200° F. Click here for material specifications and additional information on Closed Cell Neoprene.

Closed Cell EPDM

Closed Cell EPDM offers excellent resistance to ozone and oxidation and performs well in applications where temperatures can range from -70° F to + 220° F. This series of closed cell EPDM is 100% EPDM rubber and is available in a Soft (RE41EPT) and a Medium (RE42EPT) density. Click here for material specifications and additional information on Closed Cell EPDM.

Closed Cell Nitrile (Buna-N)

Closed Cell Nitrile (Buna-N) is an excellent gasket material for sealing applications that require fuel, oil and UV resistance. Closed Cell Nitrile has a high resistance to vegetable oil, animal oil, and mineral oil. Closed Cell Nitrile also performs well as a gasket or sealing material in petroleum-based applications. This series of Closed Cell Nitrile is a 100% Nitrile rubber with a temperature range of -40° F to + 200° F and is available in a Soft (SBE41NIT) and Medium (SBE42NIT) density. Click here for material specifications and additional information on Closed Cell Nitrile (Buna-N).

Closed Cell Silicone

Closed Cell Silicone offers excellent sealing qualities, plus compression set, flame, ozone, and UV resistance. This high-end Closed Cell Silicone is widely used for demanding applications and is excellent for applications that will be exposed to extreme temperatures ranging from -103° F to + 450° F. Silicone Closed Cell sponge is available in Soft, Medium, Firm and Extra Firm densities. Silicone Closed Cell sponge is also available in low compression set, flame retardant, and fiberglass reinforced grades. Click here for material specifications and additional information on Closed Cell Silicone.

Closed Cell ECH (Epichlorohydrin)

This material offers excellent fuel resistance and performs well in applications where temperatures can range from –70° to +275° F. ECH is supplied in 15# density. Click here for material specifications and additional information on Closed Cell ECH (Epichlorohydrin).

Closed Cell EVA (Ethylene Vinyl Acetate)

Closed Cell EVA is lightweight and odorless. Closed Cell EVA foam exhibits good mechanical strength, excellent chemical resistance, high buoyancy, low water absorption, and good acoustic properties. Closed Cell EVA foam can be supplied in 2# and 4# densities and demonstrates excellent climate, temperature, and aging resistance in outdoor applications. Click here for material specifications and additional information on Closed Cell EVA (Ethylene Vinyl Acetate).

Closed Cell Neoprene/EPDM/SBR

Closed Cell Neoprene/EPDM/SBR combines the best qualities of these three polymers which creates an excellent gasket material used in many diverse indoor and outdoor applications. Neoprene/EPDM/SBR Closed Cell sponge is resistant to ozone, sunlight, and oxidation. This material meets UL157, UL50, UL508 and UL94HF-1 and is available in a Soft (SCE41B), Medium (SCE42B), Firm (SCE43B) and Extra Firm (SCE45B) density. Neoprene/EPDM/SBR Closed Cell sponge performs well in applications that range in temperature from -40° F to + 200° F. Click here for material specifications and additional information on Closed Cell Neoprene/EPDM/SBR.

Closed Cell PVC/Nitrile

Closed Cell PVC / Nitrile sponge combines excellent energy / impact / shock absorbing properties and good chemical resistance. Closed cell PVC / Nitrile sponge is available in five grades MLC (4 pcf), MLC-2 (4 pcf), AHC (7 pcf), SCC (12 pcf) and SSC (12 pcf). Depending on the grade, our PVC / Nitrile closed cell sponge meets ASTM D 1056-68, 1056-85, 91, 98, UL 94 HF-1, UL 94 V0, and FMVSS-302. Closed Cell PVC / Nitrile sponge is designed for applications where temperatures can range between -40° F to + 200° F. Click here for material specifications and additional information on Closed Cell PVC/Nitrile.

Closed Cell Neoprene/PVC/Nitrile

Closed Cell Neoprene / PVC / Nitrile sponge is an economical sealing and gasket material for applications requiring good resistance to chemicals and conformance with UL 94 flammability ratings. Closed cell Neoprene / PVC / Nitrile sponge is an excellent gasketing material for automotive applications and electrical enclosures that require a UL 94 flammability rating. Neoprene / PVC / Nitrile Closed Cell sponge is available in three densities: IV1 (4 pcf), IV2 (6 pcf) and IV3 (8 pcf) and works well in temperatures ranging from -40° F to + 200° F Click here for material specifications and additional information on Closed Cell Neoprene/PVC/Nitrile.

Natural Open Cell Sponge

Natural Open Cell Sponge is excellent for cushioning applications as well as for applications that require a skid resistant surface. Natural Open Cell Sponge does not take a compression set and is the material of choice for die ejection applications. Natural Open cell Sponge is available in five densities: RO11 (Soft), RO12 (Medium), RO13 (Medium Firm), RO14 (Firm), and RO15 (Extra Firm). For die ejection applications, we offer Natural Open Cell sponge in three densities: style 3261 (28 pcf), 3271 (32 pcf), and 3281 (36 pcf). Click here for material specifications and additional information on Natural Open Cell Sponge.

Neoprene Open Cell Sponge

This sponge material has all the same features of the natural open cell sponge, but works well in applications that may come in contact with petroleum-based products. This material also meets various military and ASTM specifications including Mil-R-6130, Mil-C-3133, and Mil STD 670 and is available in soft, medium, and medium/firm densities.

Foam Materials:

In addition to the wide range of sponge materials, Atlantic Gasket has many foam materials available that are diverse in their chemical composition and mechanical properties. Some of the most common types used for gaskets and other die cut parts are:

Cross-linked Polyethylene Foam

Cross-linked Polyethylene Foam has good thermal insulating properties and excellent chemical resistant properties that make it suitable for a wide range of applications. The Volara line of Cross-linked Polyethylene foam, manufactured by Voltek, has a smooth skinned surface on both sides and is supplied in continuous rolls and Plastazote Cross-linked Polyethylene foam, which is manufactured by Zotefoams PLC is supplied in sheets. Volara's Cross-linked Polyethylene Foam is available in six different grades: styles 2A and 2AFR (UL rated) are 2# density, style 4A and 4EO are 4# density and 6A and 6EO are 6# density. Zotefoams Cross-linked Polyethylene foam is available in eight grades: style LD33, LD45, LD45FR (UL rated), and LD70 are low density; style HD60 and HD80 are high density; and LD50 CN and EV45 CN are conductive. Click here for material specifications and additional information on Cross-linked Polyethylene Foam.

Open Cell Polyurethane Foam

Open Cell Polyurethane Foam is available in 2#, 4# and 6# densities in both Polyether and Polyester based formulations. Open Cell Polyurethane Foam can be found in any of the following industries / applications: Acoustical, aerospace, appliance, automotive, filtration, industrial, gaskets and seals, marine, military, foam tapes, dust seals and speaker surrounds. The standard color of Open Cell Polyurethane Foam is charcoal gray with special colors available upon request. Click here for material specifications and additional information on Open Cell Polyurethane Foam.

Cellular Urethane Open Cell Foam

Cellular Urethane Open Cell Foam is offered in three manufactured Cellular Urethane foam families for diverse industrial and commercial applications. Our Non-skinned Cellular Urethane Foam is a family of Medium to Firm density urethane foams that is engineered in two formulations. The "I" series exhibits high resiliency and high rebound within a broad temperature range and all five grades are fire retardant, meeting FMVSS-302, UL 94-HF-1, and UL 94-HBF. The "U" series Cellular Urethane Open Cell foam offers excellent compression set resistance, is lightweight, breathable, and moisture wicking. Our Open Cell Polyurethane (Memory) Foam has unique properties that allow for even pressure distribution and the free flow of air. Our Cast-to Gauge Cellular Urethane Foam is a fine-celled Cellular Urethane foam that exhibits very low compression set, low outgassing, good dimensional stability, and chemical resistance. This family of Cellular Urethane Open Cell Foam meets UL50, UL508, UL94 and UL514B. Click here for material specifications and additional information on Cellular Urethane Open Cell Foam.

PVC Foam

This foam material is a general-purpose closed cell foam with good air, moisture, and dust sealing properties, plus UV and chemical resistance. Density range of 6 to 15 PCF, thickness from 1/32” to 1”.