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.

	Typical Density: 3-5 lb/ft³
	Temperature range: -40 deg F to 200 deg F.
	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

	Typical Density: 15 lb/ft³
	Temperature range: -45 deg F to 212 deg F
	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.

	Typical Density: 8 lb/ft³
	Temperature Range: of -20 deg F to 160 deg F.
	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.

	Typical Density: 5-7 lb/ft³
	Temperature Range -70 deg F to 200 deg F.
	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.

	Typical Density: 2lb/ft³
	Temperature Range: of -110 deg F to 215 deg F.
	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.

	Density: 2lb/ft³
	Temperature Range -40 deg F to 225 deg F.
	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.

	Density: 800 grade - 20lb/ft³; 1000 grade - 12lb/ft³
	Temperature of -67 deg F to 392 deg F
	Flammability: UL94 V0; UL94 HF-1

Applications include transportation, medical and other highly demanding applications.