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[3A Composites, formerly Alusuisse Composites] A registered trademark for an inert, rigid, laminate composed of a lightweight, solid Low density polyethylene core covered with two thin sheets (0.3 mm; .012 in) of Aluminum. Dibond® aluminum composite sheets, or ACM, are available with a heat-cured polyester stove-lacquered finish on the front and back in numerous colors. They may also be purchased with mill-finished aluminum on the back that can be digitally printed with fine lines, high resolution images, or a mirror-like surface. The outer surfaces are protected by peel-off foil sheets prior to use. Dibond® panels can be covered with fabric for use as solid painting supports (ArPlex Artist Board).

Synonyms and Related Terms

Aluminum Composite Material (AMC), Alucobond (3A Composites); ArPlex Artist Board

For comparison with alternates, see


  • Kerf folded case furniture
  • Desiccant Chambers
  • Graphic panels and labels (wrapped)

Personal Risks

Collection Risks

Dibond is composed of inert materials (aluminum and polyethylene) that are normally considered safe for housing and displaying collection materials.

Links to Oddy Test results posted on AIC Wiki Materials Database Pages for individual materials

° Alucobond Tested in 2017 (MMA, passed)

Physical and Chemical Properties

Weather resistant

Working Properties

Dibond: How to Fabricate: Guide

Forms and Sizes

  • Available in several colors with a thickness of 3 mm; white boards also come in 2 and 4 mm thicknesses.
  • All boards are 49.2" x 98.4",.

Resources and Citations

  • Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002