Pewter Bars (1 Pound - Britannia Alloy - Lead Free) Pewter Bars (1 Pound - Britannia Alloy - Lead Free) - 92% TIN | 7.5% ANTIMONY | 0.5% COPPER. Our Pewter bars are approximately 1lb each and are made up of 92% Tin, 7.5% Antimony, and 0.5% Copper. This is lead-free pewter and is very good to use for casting. We sell this Pewter in bar form as shown in the product images. This type of Pewter is also known as Britannia Alloy. Be sure to see our promotional discounts for certain quantity levels if you would like to save money. USAGE - This is lead-free pewter and is very good to use for casting. It melts easily and retains its shine. This pewter is used often in jewelry making and also making utensils, teapots, candlesticks, urns, maces, and drinking vessels. This item is one of our best sellers because of its versatility and ease of use. SIZE - Each 1lb pewter bar is approximately 6 inches long by .75 inches wide by .50 inches high. May be cut into 2 pieces for shipping. SPECIFICATIONS - Melting Point (F) = 563 | Pouring Temp (F) = 650 | Density (g/cm3) = 7.28 | Analysis: TIN 91.9708%, ANTIMONY 7.4992%, COPPER 0.5001%. PACKAGING - This 1lb pewter bar will arrive sealed in heavy duty BPA free plastic to prevent any corrosion or oxidation. Each 1lb pewter bar is guaranteed to be 1lb plus or minus 4%.