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Boss 389 Weather Sealant for Aluminum Panels

Boss 389 Weather Sealant for Aluminum Panels
Boss 389 Weather Sealant for Aluminum Panels
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Product Code : Boss 389
Brand Name : BOSS
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


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