To work with plaster casting, plaster mold must be dealt with appropriately, first dry the plaster mold brushing twice shellac bubble (bubble force of water) to the surface of the porous gypsum blocking treatment. In turn, when the system must also be brushing release agent, so pour the plaster to stick together and do not die, the release agent with a soft soap, ordinary soap, vaseline and oil, etc., Vaseline and oils soft soap no good water . Vaseline is too thick, it will affect the mold of sophistication, Vaseline oils also easy to dirty gray smoke, affecting the quality of the work. Soapy practice - soap sliced, placed in water heated to melt and serve. 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, plaster mold price, while burning while fried, plaster mold wholesale, you can burn about 800 degrees, it's quality do not buy ready-made good. The plaster mold casting methods: ① the stirred gypsum slurry to pour a small portion of the mold, because it is a liquid, will flow set to a low recess, you must use the "keep out" approach, the mold everywhere including every corner, plaster mold, can be boring into the gypsum slurry. ② the remaining gypsum slurry poured into the mold, generally small, it poured solid, which is filling the mold; large, hollow on the water, or a waste gypsum, component also heavy, Bindu is not necessarily good, hollow casting method is used, "sugar", the rotation of the mold of gypsum slurry slowly coagulate, so keep out three or four times the thickness of the plaster reaches one centimeter can be, if enhanced fastness, upheld affixed to the inner layer a layer of flax. ③ Pentagram sharp angle, when the release is very easy to Zhenduan. When casting can, plaster mold factory, put a few thick layer of lead wires and flax, in order to increase the fastness. ④ until the plaster is completely solid, you can mold release, which is the key to success. Although coated with a release agent, but between the plaster mold and five-pointed star or stick very closely, together with the role of air pressure, the more difficult to disengage, the release method is to use a wooden mallet or block beat lightly, to shock the mold, so that they finally separated, at this stage must be patient and careful, you do not rush to help, or it may come to naught. Where the new mold, mold release are generally more difficult, and more often used, stripping easier. Plaster mold plaster mold _ _ ARTEL plaster mold manufacturers to provide the Gaomi Artel plaster mold factory. Plaster mold plaster mold _ _ ARTEL plaster mold factory is Gaomi Artel plaster mold factory (www.htsgmj.com) (www.htsgmj.com) this year introduced a new upgrade, the above picture is for reference only, please dial this page Phone or pictures on obtain the latest information, contact: Du Jingli.