MG Chemicals - 415-500ML 415 Ferric Chloride Copper Etchant Solution, 475 ml Liquid Bottle,,Dark Brown Item Description Copper etchant More aggressive than persulphate alternative Can be stored and reused Ready to use solution designed for etching printed circuit boards and other metals Used for etching copper, brass, bronze, Damascus steel, stainless steel, PCB fabrication, Jewelry making, Metalsmithing, Decorate art knives and other metalwork, Steel sign acid etching, Etching pattern welds, Etching on stone surfaces, Used as a colorant in pit-firing some pottery, Glass casting Copper etchant. More aggressive than persulphate alternative. Can be stored and reused. Ready to use solution designed for etching printed circuit boards and other metals. Recommended for use with M.G. Chemicals professional etching process kit and M.G. economy etching process kit. Ferric chloride (FeCl3) liquid solution phase. 1.4 specific gravity. 162.21 Molecular weight. Dark brown appearance. 106 degree C boiling point. 1.0 - 2.0 pH (5 percent by volume). 0 degree C freezing point. 100 grams/liter maximum copper holding capacity. 175-200 microinch/minute at 50 - 55 degree C etch rate. 50 - 55 degree C operating temperature. ROHS Compliant. Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return within 7 to 21 days from delivery date but product should be in original position and not in damaged condition,the return shipping charges will be buyer responsibility