If it is a thing of the past for a long time, very dirty plaster mold, can not use the following approach to deal with. The plaster mold can be immersed in a ratio of 10 to 2000 ml of soapy water plus 40 ml of ammonia water, gently wash about 30 minutes, then remove and rinse with water on it. If it is dirty, very badly by this method can not be cleaned, it is necessary coated copper imitation colors on the plaster mold, it converted into a fake copper statue, it would be more tasteful chic. Several simple molds to produce several pieces made with plaster. Gypsum powder and water in a ratio of approximately 2: 3, too much water, the fastness of solidified poor; if you need strength, they put plaster of Paris. Since the plaster has been condensed into a solid is unusable, gypsum from the liquid condenses into solid, there are time constraints, when located in the mix plaster mold plaster plant, firing from the beginning to the action must be rapidly formed, also To estimate in advance the amount of good plaster, you need so many mixed. Gypsum and plaster products plaster mold manufacturers, have a common characteristic - extremely absorbent, store not too long a time. Because there is always more or less moisture in the air, especially in the rainy season and apricot, gypsum powder in the water will increase its quality to be worse plaster mold, which will reduce its fastness plaster mold after solidification wholesale and accelerate its clotting time, less than a few minutes marinated lump became, in the end, gypsum will not condense. Plaster mold | Xinjiang plaster mold | ARTEL plaster molds provided by Gaomi Artel plaster mold factory. Gaomi ARTEL plaster mold factory (www.htsgmj.com) (www.htsgmj.com) strong, credible, Shandong Weifang lime, gypsum and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead ARTEL plaster mold into the brilliant and you work for a better future!