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Patina brass vs silicone bronze1/19/2024 ![]() ![]() Long term atmospheric exposure generally results in the formation of the naturally protective gray-green patina.īecause copper and its alloys afford a broad spectrum of both natural and weathered colors, much effort is expended to either hasten the natural weathering by chemical means or to preserve the bright natural colors through the application of clear protective coatings. Click here for an example completed by a customer.Copper and its principal architectural alloys are relatively active metals which, when left unprotected, tend to oxidize (weather). Instead of utilizing bronze powder, some choose to create a faux bronze finish on their plastic castings. Must be very careful when burnishing – it is very easy to burn through the thin bronze coating.This method cannot be completed with a polyurethane rubber mold.Takes patina much better than other methods because bronze is fully exposed on the surface – there is no resin.The bronze powder is positioned right at the surface of the casting, so this method often requires lessīurnishing to expose the metal particles.Requires less bronze powder than the solid cast method. When the resin has cured (EasyFlo 60 has a demold time of 15-30 minutes), remove it from Prepare the mold for casting and fill the mold cavity with the appropriate amount of Powder as this may cause defects on the finished part: Pour EasyFlo 60 with Brown Pol圜olor Dye behind it.Įvenly distribute the powder by tilting the mold in all directions.Thoroughly dust the surface of the mold with bronze powder. ![]() There are two basic steps in this process: Require the use of release agent that would interfere with the method of application. This method requires the use of a silicone rubber mold polyurethane rubber molds cannot be used because they
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