Characteristics common to all closed-cell vinyl foam products include the ability to make a long life seal against air, moisture, light and dust penetration. Closed-cell vinyl foam completely seals out air, moisture, light and dust when compressed 30% or more.
Tested and approved to AAMA810.1-92 expanded cellular glazing tapes.
V1526SA is coated both sides with a solvent acrylic pressure sensitive adhesive, S3, and a 5-mil blue polypropylene film liner. Gaska Tape's V1526SA has a six-month shelf life with the solvent adhesive.
V1526 is the same medium density foam A3 adhesive coated on both sides, but incorporating a 5-mil blue propylene film liner.
Gaska Tape's V1520 Series product is a medium density closed-cell Polyvinyl Chloride foam coated on both sides with an aggressive, pressure-sensitive adhesive, A3, and an 84# polycoated two-side, brown kraft liner.