-
Improved aesthetic performance –
reduces long-term residue rundown
on metal panels and reflective glass
or staining on porous substrates
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Good working time and tooling time
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All-temperature gunnability –
from -29 to 50°C (-20 to 122°F),
permitting application in all seasons
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Medium modulus, high movement
capability – can accommodate ±50
percent movement in a properly
designed joint
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Unprimed adhesion to most glass,
granite, GFRC, and fluoropolymer
painted substrates
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Excellent weatherability –
non-reverting silicone durability
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Compatible with open-cell
polyurethane, closed-cell
polyethylene and nongassing
polyolefin backer rods
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Available 20-year Limited
Weatherseal and Non-Staining
warranties
Dow Corning® 991 Silicone High Performance Sealant (422,98 KB)
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