The Item for sale is 4 Ounces of Sulfamic Acid (H3NSO3), also known as Amidosulfonic Acid. Sulfamic Acid is commonly used in electroplating solutions. For other electroplating supplies, including Nickel Chloride, Nickel Sulfate, Copper Sulfate, Sodium Borate, and Thiourea, check out our other listings. STURDY PLASTIC BOTTLE: Our bottles are made of durable Polypropylene Plastic, which is a natural, translucent, lightweight, durable, and chemically resistant copolymer. The screw-top is completely leakproof. Bottle is sealed in plastic with the screw-top shrink-wrapped. HUNDREDS OF USES INCLUDING: Chemical Reagent / Silver Polish / Rust Stain Remover / Removes Lime Scale / Hydroponics / Electroplating Solutions / Electro-less Plating Solutions / Plating Mixture (Nickel and Tin).