Description: Closed cell PVC foam with a pressure-sensitive adhesive on both sides. Proven Performance: NorsealÂ® V980/V990 foam sealant combines a closed cell polyvinyl chloride foam substrate wtih a pressure-sensitive adhesive on both sides. For more than 25 years, Norseal's proven performance in the window glazing market has made it the preferred choice in a variety of glazing applications. High Performance for a Multitude of Uses: Norseal V980/V990 is perfect for sealing out water, dust and light, particularly in joints with a high degree of movement. The high-desnity foam provides strength, making it ideal for die-cutting operations. Norseal's outstanding resistance to weathering, oxidation and ultraviolet expsure further enhances its long-lasting seal. Fast and Easy Application: Norseal features an aggressive, two-sided adhesive for fast and easy assembly of glazing. This double-faced adhesive helps eliminate saging and keeps the lite in place without the use of clamps. Norseal's easy-peel paper or poly liner protects the adhesive faces prior to installation, while preventing stretching during application. Features/Benefits:Excellent resistance to weathering, oxidation and ultraviolet lightIdeal for glazing joints with high movementProvides uniform sight lines without hand tooling, oozing or cold flow of sealantCompatible with most glazing componentsExceeds the requirements of AAMA 810.1Typical Applications Include: Interior/Exterior glazing sealant for metal, wood and vinyl sash systems; residential/commercial window glazing for joints with high movement; heating and ventilation duct systems; commercial refridgeration glazing; vibration damping; marine glazing; low stress mounting; die-cut gaskets; store display cases.Specification Notes: Passes AAMA 810.1 Pump Test. All data based on a 0.25 inch test sample.(Available in multiple thicknesses.) Information provided by Saint Gobain Performance Products.