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The PRO-VAC PV-80 is a general-purpose vacuum bagging sealant tape for composite work. It is a 12 mm (0.5 in) wide, 15 m roll of tacky putty tape that seals vacuum bagging film to molds and to itself for vacuum infusion, wet layup and envelope bagging. It holds up to 150°C (302°F) and is meant to be used at room temperature. Compared with stiffer, higher-temperature sealant tapes, it is easier to handle and press into place, but it is a consumable that you remove at room temperature after cure. It suits hobbyists and small shops doing infusion or wet layup who want a tacky, forgiving tape rather than a high-temp structural sealant.
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Lowest price we've seen: $11.06 on Nov 7 at Fisheries Supply. Tracked across 3 stores since Nov 7.
PV-80 is a general purpose sealant tape for vacuum bagging. It is used in vacuum infusion, wet layup, and bag-to-bag (envelope bagging) processes. It is compatible with most vacuum films and tool surfaces.
The tape has an improved level of tack and handleability. It performs best at room temperature (20°C / 68°F), and tack drops sharply if the tape is too cold. Its maximum use temperature is 150°C (302°F). Remove the tape from the mold at room temperature.