Can silver rings be vacuum plated?

Question: I heard that the color retention period of vacuum plating is relatively long. Can silver rings be vacuum plated? I want to electroplate into ancient silver. Answer: Generally speaking, only stainless steel rings can be vacuum plated in the furnace. Other materials need to be plated with a bottom layer (alloy rings cannot be vacuum plated in the furnace and cannot withstand the furnace temperature of 800 degrees). It can be completed in several times. Trouble, and the cost is also high. The colors of vacuum electroplating in the furnace are very limited. The common ones are 18K, rose gold, black, magic color, etc., while the colors of platinum and silver cannot be electroplated, so your silver ring cannot be vacuum electroplated ancient silver in the furnace. The information comes from the Internet, please contact if it involves infringement. how much time is required?