Gasketing
Polytech® Vinyl Nitrile
Polytech® Vinyl Nitrile (PVN) is a Vinyl/Nitrile/Neoprene closed cell foam designed for use as a gasket or seal in a variety of environments. Excellent resistance to gasoline and other aliphatic hydrocarbons.
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Typical Density: 3-5 lb/ft³ |
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Temperature range: -40 deg F to 200 deg F. |
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Flammability: UL94 V0 and UL94 HF-1 |
Applications include gaskets and seals in a variety of engine enclosures and equipment.
Polytech® High Density Polyurethane Foam Grade
Polytech® High Density Polyurethane foam grade (PHU) is a low modulus open cell polyurethane foam. Behaves like a closed cell product when compressed and is an excellent seal. Significantly lower Compression Set than typical closed cell foam gaskets
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Typical Density: 15 lb/ft³ |
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Temperature range: -45 deg F to 212 deg F |
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Flammability: UL94 HBF; FMVSS302 |
Applications include gaskets and seals around equipment doors as well as mounting and protective pads.
Polytech® Ultra Foam
Polytech® Ultra Foam (PUF) is a closed cell vinyl foam designed for gasketing and sealing applications. Soft cellular gasketing material that has a lower force of compression than many closed cell materials.
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Typical Density: 8 lb/ft³ |
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Temperature Range: of -20 deg F to 160 deg F. |
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Flammability: FMVSS302 |
Applications include seals between two irregular surfaces.
Polytech® Neoprene Blend Foam
Polytech® Neoprene Blend Foam (PNB) is a Neoprene/EPDM/SBR closed cell blend foam. Good resistance to weather, oxidation and ozone. Economical closed cell foam for a variety of uses.
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Typical Density: 5-7 lb/ft³ |
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Temperature Range -70 deg F to 200 deg F. |
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Flammability: UL94HF1 |
Applications include gaskets and seals in a variety of engine enclosures and equipment.
Polytech® Cross Linked Polyethylene Foam
Polytech® Cross Linked Polyethylene Foam (PCE) is a 2 lb/ft³ density cross-linked polyethylene closed cell foam. Offers a smooth skin surface on both sides and a fine cell structure.
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Typical Density: 2lb/ft³ |
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Temperature Range: of -110 deg F to 215 deg F. |
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Flammability:FMVSS302; UL94 HF-1 version also available. |
Applications include gasketing and cushioning around equipment doors.
Polydamp® Low Permeability Foam
Polydamp® Low Permeability Foam (LP-18) is a soft ether based polyurethane foam with low permeability but quick recovery. Excellent low-cost alternative to traditional closed cell foams in applications where moisture and air needs to be retained.
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Density: 2lb/ft³ |
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Temperature Range -40 deg F to 225 deg F. |
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Meets impermeability tests – Ford B0112-03 and GM6068M. |
Applications include radiator seals and various gasketing applications within an engine environment.
Polytech® Silicone Foam grade 800 or 1000
Polytech® Silicone Foam grade 800 or 1000(PSL) is a soft cellular Silicone Foam. Extremely resilient to mechanical fatigue and very resistant to compression set. Excellent Flame Spread & Smoke Density values.
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Density: 800 grade - 20lb/ft³; 1000 grade - 12lb/ft³ |
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Temperature of -67 deg F to 392 deg F |
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Flammability: UL94 V0; UL94 HF-1 |
Applications include transportation, medical and other highly demanding applications.