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Metal adhesives
Aptek 2712-A/B Very low stress silicone adhesive
Categories: Polymer; Adhesive; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade

Material Notes: Very low stress silicone adhesive; -110ºC to 260ºC operating range; Low outgassing/space grade
APTEK 2712-A/B is a two component, white, very soft, thixotropic, electrically insulative, silicone adhesive displaying excellent flow temperature flexibility and unusually high physical strength properties. APTEK 2712-A/B has been designed to fully cure at room temperature and can be accelerated with a brief low temperature cure. This 100% solid system has been manufactured with highly pure resins to minimize the occurrence of ionic contamination without outgassing during cure or service.

Very flexible/low modulus over wide temperature range to absorb stress build-up during thermal cycling; Convenient 1:1 PBW or PBV mix ratio for easy handling-ideal for cartridge dispensers/repair kits; Very good adhesion to various substrates when used in conjunction with APTEK P-107 primer; Long work life, short cure cycle options for improved productivity on large area bonding applications.

APTEK 2712A is a white silica-filled silicone resin blend. APTEK 2712B is a translucent silica-filled silicone resin blend.

Information provided by Aptek Laboratories, Inc.

Vendors:
Available Properties
  • Density, A Component; ASTM D1475
  • Density, B Component; ASTM D1475
  • Outgassing - Total Mass Loss, at 10E-6 torr; ASTM E595
  • Collected Volatile Condensable Material, at 10E-6 torr; ASTM E595
  • Hardness, Shore A, Cured property; ASTM D2240
  • Tensile Strength, Ultimate, ASTM D638, Cured
  • Elongation at Break, Cured property; ASTM D638
  • Adhesive Bond Strength, Al-to-Al Lap Shear; Cured property;5 mil bondline thickness on primed aluminum panels; ASTM D1002
  • Tear Strength, ASTM D624
  • Volume Resistivity, Cured property; ASTM D257
  • Dielectric Strength, ASTM D149, Cured
  • CTE, linear, Cured property; alpha 1
  • CTE, linear, Cured property; alpha 2
  • Maximum Service Temperature, Air
  • Minimum Service Temperature, Air
  • Glass Transition Temp, Tg, Cured property; Perkin Elmer TMS-2
  • Flash Point, A Component; ASTM D92
  • Flash Point, B Component; ASTM D92
  • Processing Temperature, Cure Time not defined
  • Processing Temperature, Cure 1 hrs
  • Processing Temperature, Cure 0.5 hrs.
  
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Category Notes
Plastic

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Metal adhesives
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