Guangdong precision casting silica powder prices where good

First, precision casting Silica Overview: precision casting ultrafine silica powder having a superior surface area, determines its good filling, followed by ultra-fine silica powder having excellent thermal shock resistance, can effectively protect the cast product life. In addition, ultra-fine silica powder occurs when a degree of thermal expansion of the heat, just to compensate for shrinkage curing reaction at this temperature epoxy resin, plaster, etc., the cast body is not deformed. Second, our product specification sheet: precision casting silica powder Specification 400 mesh 600 mesh 800 mesh mesh 1250 1000 1500 4000 2000 mesh mesh mesh mesh 8000 6000 10,000 head Head III precision casting silica powder production process Description: For the Casting in a short time gumming, often by adding calcium hydroxide or magnesium oxide as a catalyst, it is developed on the basis of ordinary sand casting a new process. Bushings pouring ceramic shell can save a lot of ceramic slurry, used more in production. Ceramic casting surface roughness up to Ra10 ~ 1.25 microns, the dimensional accuracy of up to three to five, can achieve little without cutting purposes. Ceramic casting production cycle is short, the metal utilization. Maximum casting up to ten tons, mainly used for casting large thick-walled precision casting and casting die single and small quantities of various die forging dies, plastic mold, metal mold, die casting mold, glass mold. Ceramic casting mold and die life can be made by machining methods comparable, while manufacturing costs are lower than the mold made by machining methods. Fourth, precision casting silica powder excellent features: Precision casting ultrafine silica powder of high purity natural quartz, processed through a unique cleaning and polishing process to produce iron-free, color white, pure quality. Chemical stability, acid and alkali, large specific surface area, a gap developed surface-active, low oil absorption, thickening and strong, high temperature, electrical insulation, anti-UV properties. The company set many years experience in production and application, technology mature and stable physical and chemical properties and reasonable and controllable particle size distribution. Now widely used in rubber, paints and coatings, electronic packaging materials, silicon substrate materials Function chemical fiber, functional plastics, advanced ceramics, special refractories, sealants, adhesives and chemicals, pharmaceuticals and pesticides. The company can produce from 400 to 10,000 head purpose of all products, and related products can be customized according to customer requirements.