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Building Supplies


Sealants Australasia Sealproof Silicone

Product Information

SA Sealproof Silicone Sealant is a one-part, low modulus alkoxy silicone sealant for use in most common weatherproofng applications. SA Sealproof is unaffected by normal weathering conditions such as sunlight, ultraviolet radiation, rain, snow and temperature extremes. Its weather-ability enables it to retain its properties after years of exposure. SA Sealproof is compatible with laminated glass, insulating glass units and enables primer less adhesion to acrylic, polycarbonate and many other plastic substrates.


Key performance Properties

  • One Part Ready To Use
  • Low Modulus
  • High Joint Movement +- 50%
  • Outstanding Weatherability
  • Excellent Primer-Less Adhesion
  • Excellent UV Resistance
  • 5 Star VOC Compliant

SA Sealproof is designed for use in glazing applications such as in-shop and fled
glazing of curtain wall modules where glass lights are attached to the metal framing
system with structural sealant. SA Sealproof may also be used to seal assemblies
of metals, masonry, concrete, coated surfaces, plastics, wood and other common
construction materials. SA Sealproof is specially designed for use in butt joints or lap
shear joints in weatherproofng and glazing applications subject to movement. The low-modulus
characteristic reduces strain on the substrate surface and elastomeric quality
allows excellent recovery from extension and compression cycling. SA Sealproof may be
factory or feld applied to glass, metal and plastics in glazing and curtain-wall assemblies
to produce a primary or secondary seal against water, air and dust penetration.

  • Shore A Hardness: 25
  • Ultimate Tensile Strength: 340 psi (2.3 MPa)
  • Ultimate Elongation: 715%
  • Tensile at 50% Elongation: 41 psi (0.29 MPa)
  • Tensile at Max Elongation: 141 psi (0.98 MPa)
  • Specific Gravity: 1.40
  • Application rate: 2.3 seconds
  • Sag/Slump: 2.5 mm max
  • Peel Strength Aluminium-Glass (21 day cure) 21°C (70°F) 50% R.H.: 55 ppi (9.6 kN/m)
  • Joint Movement Capability: ±50%
  • Ozone and U.V. Resistance: Excellent
  • Staining on Concrete: None
  • Tack Free Time: 2 hours
  • Cure Time (9mm deep) at 21°C (70°F) 50% R.H.: 10-14 days
  • Tooling Time: 30 minutes
  • Application Temperature Range¹: +4 to 49°C
  • Performance Range²: -48 to 149°C
  • Colours: Black
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