Recycled and Virgin License Plate Aluminum Specifications; The aluminum must be produced to the following properties: A. Alloy – Temper 3105-H22 or H12; B. Thickness .027” + .0015” -.0015”; C. Width (Standard Size) (VEHICLE) 12-1/8” + 1/32” -0; D. Ultimate Strength 17,000 to 23,000 psi; E. Minimum Yield Strength 12,000 psi; F. Elongation on 2” Standard Specimen 16% - 20%, Minimum 12%; G. Quality To withstand embossing with all steel dies at 3/32” height without breaking, cutting or appreciable plate warping. H. Front Surface Finish and Backside Prep Treated with a light, tightly adherent, non-hexavalent chromium or nonchromium conversion coating. Coating to be free of any powdery residue or oil or other foreign material that may affect adhesion of reflective sheeting; I. Backside Surface Finish Treated with a polyester wash coat to protect the backside surface as well as provide protection to front side conversion coated surface. Finish shall be free of any powdery residue or oil or other foreign material, which may affect adhesion of reflective sheeting. J. Conversion Coating Weight 4 to 9 mg/ft 2 Three Delivery dates Totaling 80,000 lbs. Auto Aluminum First Delivery May 2025- 40,000 lbs; Second Delivery August 2025- 20,000 lbs; Third Delivery November 2025- 20,000 lbs
