The aluminum 1100 shim stock sheet has 0.002" laminate layers for adjustable thickness and is made of a lightweight aluminum alloy that offers moderate strength and some of the highest corrosion resistance of all aluminum alloys. Aluminum 1100 is considered commercially pure with its 99.00% minimum aluminum content and is nonmagnetic. The 0.002" laminate layers of material peel from the sheet to customize the thickness to the application. This sheet conforms to SAE Aerospace Materials Standards (AMS) DTL-22499 and Federal Specification (Fed. Spec.) QQ-A-250/1. Shim stock, which is sold in either sheets or rolls, is a very thin material that can be cut, sawed, stamped, milled, or bored into specific shapes. These fabricated pieces, also called shims, can be placed between objects for a variety of uses, including added support, improved leveling, increased insulation, tighter sealing, and better spacing. Shims can also be used to fill in gaps between machine parts that are prone to wear, avoiding costly replacement parts and lost production time. While most shim stock is sold in standard thicknesses of solid material, shim stock with laminated layers is composed of stacked foil sheets that have been pressed and heated together and that peel off to adjust the shim’s thickness to the application.
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