Smooth-On Metalset A4 Quart Kit Aluminum Filled Epoxy Adhesive

Article number: 751635010581
Availability: In stock (4)

Metalset A4 is a powerful epoxy adhesive that has been used for years by all branches of the U.S. Military as well as every major airline and auto manufacturer in the world. A4 is used for hundreds of industrial bonding applications and offers excellent adhesion to porous or non-porous surfaces. It can be applied to vertical surfaces without sagging and cures overnight with negligible shrinking. Once cured, A4 offers good machining qualities (sanding, drilling, tapping), and resists alkalies, dilute acids and solvents. Applications include stopping leaks in pipes, valves and tanks (i.e. car gas tanks), bonding like and unlike surfaces, filling metal joints, dents, etc., anchoring bolts in wood, concrete, and repairing metal surfaces. 

  • Mix Ratio: 1A : 1B by weight or volume
  • Mixed Viscosity, Paste-like
  • Specific Gravity, g/cc: 1.43 Specific Volume, cu. in./lb.: 19.5
  • Pot Life: 22 minutes (73°F/23°C)
  • Cure time: 16 hours (73°F/23°C)
  • Color: Metallic
  • Barcol 935 Hardness: 71
  • Tensile Strength, psi: 3,600 Elongation @ Break: 1.2%
  • Sag Resistance: 1/4”
  • Modulus of Elasticity in Tension, psi: 165,000
  • Modulus of Elasticity in Compression, psi: 160,000
  • Compressive Strength, psi: 7,500
  • Heat Distortion Temp: 180°F / 83°C
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