20th Century Italian Pure 990 Silver Grape Bunch

Italy, a country that produces great wines and an ancient agricultural tradition, could not fail to dedicate its art also to create prestigious objects concerning this excellence for example this pure 990 silver bunch of grapes made with the "lost wax casting" technique.This ornament can be placed on a table or it can be hung on the wall like a painting / sculpture Made by FAF (Fabbrica Argenteria Firenze). Florence - Italyfor ARVAL ARGENTI VALENZA The lost wax casting method is still used in the silverware sector.A reproduction of the object is made of wax. Then the inlet / outlet channels (always in wax) are added and the plaster mold specially designed for this operation is made.To favor the perfect adhesion of the plaster to the waxes and the elimination of air bubbles, the full cylinder can be placed on a vibrating plate and then subjected to the action of vacuum under a bell connected to a pump.This mold (which usually to contain the costs of plaster, contains many objects, arranged in a "cluster" around a central channel) is heated in an oven, so that the wax (for this operation usually takes the oven to 200 ° C) comes out of the channels, once the wax has come out, the molten metal can be poured into the mold. It is important to heat the plaster mold in order to prevent the metal from splashing out of it.After the metal cast inside the mold has solidified, the gypsum is broken and the various objects are separated from the central channel with the aid of a cutter or a goldsmith's hacksaw, the inlet / outlet channels are also eliminated. At this point, the jewels can be finished by polishing or other processes until the final object is obtained.