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Master Bond adhesives
Elkem (Bluestar Silicones) CAF® 731 Silicone Rubber
Categories: Polymer; Thermoset; Silicone; Silicone Rubber

Material Notes: Description: CAF 731 is a one component, thixotropic silicone elastomer, which cures at room temperature simply on contact with air moisture. It’s a product that is:
  • neutral : Alcohol type
  • Non flowing
  • White
  • Self-Adhesive (primerless)
Applications: CAF 731 is particularly suited for bonding, protection and maintenance applications. It is mainly attended as a flexible bonding and sealing agent between different types of materials substrate whose have different coefficients thermal of expansion, as glass, metal or plastic. It is recommended for:
  • Bonding/sealing in the aeronautic industry.
  • Elastic bonding or protection of electronic components.
  • Repair/servicing in industry and transport applications.
Advantages:
  • Its chemical neutrality guarantees no oxidation with metals principally used in electronic like copper.
  • Odourless, it is particularly well accepted in the workstation environment.
  • Outstanding adhesion on many substrates.
  • Good heat stability (-60°C - 180°C).
  • Outstanding mechanical properties.

Information provided by Bluestar Silicones

Vendors:
Available Properties
  • Specific Gravity
  • Storage Temperature
  • Hardness, Shore A, ASTM D2240
  • Tensile Strength, ASTM D412
  • Elongation at Break, ASTM D412
  • 100% Modulus, ASTM D412
  • Adhesive Bond Strength, Alu AG3, 1 mm thick joint, after 14 days curing NM748, 100% cohesive failure
  • Adhesive Bond Strength, PA 6.6, 30% fiber glass, 1 mm thick joint, after 14 days curing NM748, 100% cohesive failure
  • Tear Strength, ASTM D624
  • Maximum Service Temperature, Air
  • Maximum Service Temperature, Air
  • Minimum Service Temperature, Air
  • Extrusion Rate, 3mm, 3bars, norm 495A
  • Cure Time, Skin formation
  • Cure Time
  • Cure Time
  • Shelf Life
  
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Category Notes
Plastic

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