AldoSeal 747 Butyl Sealant
ALDOSEAL 747 is a single component vapor retarder thermoplastic seam sealer specially formulated to provide a waterproof, weather resistant membrane with excellent permeability and ultraviolet protection. ALDOSEAL 747 offers good elongation and tensile strength to resist lateral movement and allow for expansion and contraction of the substrate.
ALDOSEAL 747 is recommended as a protective vapor retarder seam sealer for a variety of situations, including all types of seams, fasteners, gaps between metal panels, gutters, vent pipe flashings, air conditioning units and expansion joints.
TYPICAL PHYSICAL PROPERTIES
WEIGHT PER GALLON: 7.6 lbs per gallon ± 0.2
FLASH POINT: 68° F
CLEAN UP: Xylene
VISCOSITY: 65,000 ± 15,000 cP
ELONGATION: 500% ± 50%
IMPACT RESISTANCE: exceeds 160b in/lb.
TENSILE STRENGTH: 500 ± 50 psi
PERMEABILITY: .005 perm inch
VOC CONTENT: 461 grams/liter
SERVICE TEMPERATURE: -50º TO
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