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The specifications required for Mill Scale (Fe2O3) is:Silica Insoluble: Max 2%Sulphur Max: .05%Manganese: Max 1%Nickel: Max .1%Lead: Max 0.05%Zinc: Max 0.05%Moisture: less than 10%Oil: Max 0.5%Quantity required: 150 MT (throughout the year on an annual basis)Particle size: Material must be screened to pass 3/4 square screenThe specifications required for Aluminum Flakes is:Aluminum: Min 96%Aluminum Oxide: Min 2.5%Copper: Max 0.05%Zinc: Max 0.05%Carbon: Max 1.2%Particle Size: Aluminum +2000 Microns; Aluminum Oxide +425 MicronsQuantity required: 270MTThe specifications required for Steel Punchings and 18 wide steel strips is:Silicon: max 0.50%Sulfur: max 0.05%copper: max 0.10%zinc: max 0.10%Manganese:max 1.00%Nickel: max 0.10%Chromium: max 0.20%Lead: max 0.05%Size: Max 1/2 cube or flat discs 3/4 dia. 1/4 thick minimum oil and moisture.MUST NOT CONTAIN: Galvanised, tinned or stainless steel.Quantity required: 433MT mill scale, aluminum flakes, steel strips Steel strips, Aluminum flakes, Mill Scale