Boss 389 Weather Sealant for Aluminum Panels

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Product Description

Boss 389 Weather Sealant for Aluminum Panels

BOSS ® 389 Weather Seal Silicone Sealant is an one part neutral cure, medium modulus, low odor, construction grade sealant that offers excellent adhesion, weather ability and compatibility with wide variety of materials. BOSS 389 is ideally suited for weather proofing, waterproofing, sealing, expansion and control joints and general purpose glazing.

BOSS ® 389 has excellent adhesion to glass, glazed surfaces, galvanized steel, anodized aluminum, concrete, cement, wood, ceramics, painted surface and many plastics.

Boss 389 Weather Sealant for Aluminum Panels fully meets or exceeds the requirements of the following specifications:

ASTM C920-86
TT-S-001543A and
TT-S-00230C.

FEATURES:

One Part , no mixing required
Easy to apply
Excellent adhesion to most common building materials
Low Odor
Non-Corrosive to metal
Permanently Flexible
Weather proofs / Waterproofs
UV resistant

TYPICAL PROPERTIES
Uncured
Specific Gravity	1.40
Colors	Black, Grey and White
Sag/Slump	NIL
Tack-Free Time	> 90min
Cure Time at 75°F (24°C) and 50% RH (3/8 ‚ thickness)	24 hours
Full Cure time	7- 10 days
Tooling time	25-30 min
Extrusion Rate	275 g/min
Cured @ Physical
Elongation	375%
Duro meter Hardness, Shore A, points	25
Tensile Strength, psi	195
Dynamic Movement Capability Cycled at 1/8‚¢ hr.,1/8min.%	± 30