Ferric Chloride 42% – Advanced Copper Etchant Introducing our versatile and powerful copper etchant solution – Ferric Chloride. This high-performance etchant is more aggressive than the traditional persulphate alternative, providing quicker and more efficient results. Designed specifically for etching printed circuit boards and a variety of metals, Ferric Chloride can be stored and reused for multiple projects. Our formula offers a wide range of applications, making it a must-have for hobbyists and professionals alike. Ferric Chloride is perfect for: Etching copper, brass, bronze, Damascus steel, stainless steel, and other metals.PCB fabrication for custom electronic projects.Jewelry making and metalsmithing to create intricate patterns and designs.Metal artwork and decorative knife embellishment.Creating detailed steel signs through acid etching.Enhancing pattern welds on custom metalwork.Stone surface etching for unique decorative effects.Acting as a colorant in pit-firing certain pottery pieces.Glass casting for stunning and intricate designs.Elevate your creative projects with the power of Ferric Chloride – the advanced copper etchant solution for all your metal etching needs. COA Available upon request. Quick shipping via USPS. Gets to you quick!