The use of domestic wire wool or fine abrasives will give a scratched finish that will need very heavy polishing to bring back to normal. Pickling clean in an acid solution can be used with great care but is not recommended in domestic environments.

When you say varnish, what exactly do you mean as I know from doing bits of woodwork that it is a broad term and there are lots of variations. Read more about the condition New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). So partly wondering if it’s been in a washing machine, worn surfing or something a long those lines.Below is a view from underneath a penholder base that has been polished away completely on the edges and corners. Once you have used this metallic Lacquer Spray on one object, it is guaranteed you will want to give other objects a new glitzy lease of life. See the difference between Natural Gloss and Satin finish on these copper tiles that have been coated with ProtectaClear®.

But just one point (Some thought must be given to any exposure to any direct heat from the fire so the hardness of the lacquer might be important. CrobialCoat™ combines the power of our ProtectaClear coating as a tough, durable clear coating with the added advantage of Microban technology. Keep an eye out for discolouration, scratches/damage and recoat that area immediately before tarnish appears. As a rule of thumb 100 mL of coating will provide a one (1) coat coverage to just over 2 square metres of smooth bare metal like brass, bronze, copper silver and stainless steel.It is packed with UV Filters and UV Stabilisers to protect against harsh UV levels to stop fade and tarnish. If you are unable to polish the copper then it is most likely that it had been coated with a lacquer or varnish and the tarnish has developed under the old coating.

It is also foodsafe once cured and will withstand heat up to 285 degrees centigrade before it begins to burn off.Use as little or as much polish as you need - plenty of polish may be needed to cut through heavy tarnish easily. Clean, polish or patina your copper to the desired finish and then coat with Everbrite™ or ProtectaClear® or CrobialCoat™ to stop tarnish and to lock in the shine and patina on your copper fittings and hardware – indoors and outdoors. I was advised many years ago not to do anything with copper as it oxidises which forms a protection. Be sure to calculate coating requirement according to the recommended number of coats for the item you are coating. Photo at right shows where the old coating has been removed with a varnish stripper to enable cleaning/polishing.