Gypsum powder fineness and water absorption rate of the plaster mold life has an important impact. Gypsum powder is too coarse, the mold used for some time, due to corrosion, surface will appear coarse particles, the mold surface uneven, so that the rough surface of the body, Liaoning plaster mold, affect the finished appearance, reduce die life; but particles too small ( The specific surface area> 1500cm2 / g), since the crystals have a greater stress, strength decreases, also resulting in decreased die life, while the fine through fine gypsum mold poor water absorption. Proved: gypsum powder particle control about 80 percent of maintaining the same particle size and fineness of 120 mesh sieve is less than 1%, not only to the inner surface of the mold has a good feel, and a higher strength and better water absorption rate. In order to grasp and use good plaster, you must first understand its nature, gypsum powder is made from mineral quartz - gypsum ground after roasting, the gypsum powder in some major cities can buy building materials stores, but in Rural small town not necessarily be able to buy, but to their processing. Processing methods are: the gypsum is crushed with a mill, the more detailed the better, and then placed in a pot roasting, fried side while burning, can burn about 800 degrees, decorative plaster mold, its quality is not ready buy Ok. Ceramics of the invention is the pride of our country, but in the early, make plaster molds, ceramics production process is very backward, or even bare hands to pull into a mud throwing, slow production speed, plaster mold price, unstable product quality, very rough. Until modern times, especially after the liberation, the production process was greatly improved by using a mold into a preform, which is based on the design, create a female plaster mold (there are a few male), and then the clay or clay on The mold for billet, so the fastest in just a few seconds to complete a product, and the size, shape, exactly the same, the quality is guaranteed. Which plaster mold, plaster mold ARTEL (certified), Liaoning plaster mold by Gaomi Artel plaster mold factory. Gaomi ARTEL plaster mold factory (www.htsgmj.com) (www.htsgmj.com) Shandong Weifang, lime, gypsum leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. ARTEL plaster mold in leadership with the staff warmly welcome all inquiries negotiations to create ARTEL plaster mold a better future.