ALDOCOAT 386 is a technologically advanced, high solids, single component, moisture cure, bright white polyurethane elastomer coating uniquely formulated for the protection of sprayed-in-place polyurethane foam insulation and traditional roofing substrates, such as EPDM 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 386 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 386 was specifically developed as a bright white protective top coat over a base coat of ALDOCOAT 384 for spray polyurethane foam roofing, TPO and EPDM single ply membrane systems, modified bitumen and concrete. With excellent adhesion, ALDOCOAT 386 is used for protection, waterproofing, solar reflectivity and service life extension of these low slope conventional roof systems.
TYPICAL PHYSICAL PROPERTIES
TOTAL SOLIDS: 77% by weight ASTM D1644, 68% by volume ASTM D2697
WEIGHT PER GALLON: 8.5 lb per gallon ± 0.2
FLASH POINT: 93° F CLEAN UP: Xylene
SHELF LIFE: 90 days @ 40°- 90° F
VISCOSITY: 3,000±1000 cP
ELONGATION: 150% ± 50
HARDNESS: 69 Shore A
TENSILE STRENGTH: 600 psi ± 25
PERMEABILITY: .02 perm inch
SERVICE TEMPERATURE: -50º TO 200º F
WATER ABSORPTION: 1.6%
ADHESION: Exceeds Tensile
CURE TIMES: DRY TO TOUCH: 6 Hours
TACK FREE: 12- 16 Hours
RECOAT: 12- 16 Hours
SOLAR REFLECTANCE: 86%
THERMAL EMITTANCE: 89%
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