Suitable for: tray, etching tank, spray etching tank Purity: 99,8% almost indefinitive shelf life safe if used appropriate, no acid but a corrosive salt Usage: for a strong etchant mix in a ratio of 1 to 1 with water ( e.g. 1 kilogram Ferric Cloride + 1 liter water). More subtle works may be etched in a thinned solution of up to 1 to 4 ( e.g. 1 kilogram Ferric Cloride + 4 liter water). The ideal fast etching temperature is around 47 degree centigrade but works already at room temperature. Stainless steel requires a warmed etching bath. The etchant should be in steady movement to prevent the slurry which is produced during etching to sink into the lines.Safety and disposal: take the usual precautions when working with chemicals: safety glasses, safety gloves, and safety dress when preparing the solution. Good aeration or an exhaust hood is required. Avoid direct skin and eye contact and do not inhale fumes. Store in plastic or glass container. Do not use any metal containers. Used solution may not be disposed in the sewer system.
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