ALDOCOAT 384 is a technologically advanced, high solids, single component, moisture cure polyurethane elastomer coating uniquely formulated for the protection of spray polyurethane foam insulation and traditional roofing substrates, such as single ply membrane and BUR surfaces. Once cured this liquid applied moisture-curing polymer provides a durable, seamless, flexible, waterproof membrane that resists lateral movement, shear and will allow for normal expansion and contraction. Mil for mil, ALDOCOAT 384 provides greater UV protection than similar generic coatings and offers increased resistance to moisture penetration through its lower moisture vapor permeability values. Due to its moisture-cure properties, a longer production window can be achieved during application.
ALDOCOAT 384 was specifically developed as a protective coating for sprayed-in-place polyurethane foam roofing. With excellent adhesion, ALDOCOAT 384 may be used as well for protection of conventional commercial/industrial surfaces such as, but not limited to, TPO and EPDM single ply membranes, modified bitumen, smooth BUR, concrete, masonry and the lining and sealing of interior gutter systems.
TYPICAL PHYSICAL PROPERTIES
TOTAL SOLIDS: 79% by weight ASTM D1644, 68% by volume ASTM D2697
WEIGHT PER GALLON: 9.0 lb per gallon ± 0.2
FLASH POINT: 80° F
CLEAN UP: Xylene
SHELF LIFE: 90 days @ 40°- 90° F
VISCOSITY: 3,000±1000 cP
ELONGATION: 350% ± 50
HARDNESS: 69 Shore A
TENSILE STRENGTH: 1000 psi ± 50
PERMEABILITY: .02 perm inch
SERVICE TEMPERATURE: -50º TO 200º F
WATER ABSORPTION: 2.4%
ADHESION: Exceeds Tensile
CURE TIMES: DRY TO TOUCH: 6 Hours
TACK FREE: 8- 12 Hours
RECOAT: 12- 16 Hours
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