Granite commonly known as granite, mainly composed of quartz, mica, Mohs hardness value of about 6.5, the ground hard, long-term use of natural weathering and prone to wear and tear, the performance characteristics of mica off. At this point there is a small stone surface pitting recessed appear when pitting growing granite surface brightness drop, lose their luster, hand concavity touch, using stone renovation to restore luster. Because granite hard, so the simple use of the surface chemistry classes damaged curing agent, abrasives and other conservation is difficult to achieve the desired effect, the use of stone renovation agent by physical grinding methods, which is better than the simple use of chemical products for renovation Grinding . Granite renovation necessary equipment, accessories and supplies: stone renovation agent, a full renovation of pieces of granite, 17-inch red polishing pads, suction machines, signs, watering can, metering instrument, glass blowing washing, wiping, and a bucket of water. Working procedures and construction methods: 1 billboard set up at the job site, in order to prevent dirt splashed mud walls, with transparent plastic film to enclose the bottom wall stickers good ground. Join in the stone water tank refurbished machines, connect the power, metal models ready to shut up discs, discs and other granite renovation and adjust the equipment level with the ground, ready to work. If the ground of old wax, then the wax first. 2. Use foul language mollified metal discs were mounted on the album turned the dial. Area of ??about 1 square meter each grinding, repeatedly push and pull, will grind to a smooth stone notches part, moderate water when grinding, dry grinding is prohibited, with the suction machine sucking, net absorption ground. 3. Then use 1500 # 3000 # on the polished surface polishing, and finally washed stone surface dry. 4 small mouth with metal mollified change discs, grinding sequence, authentic notches, to eliminate the rough grinding marks. Repeated grinding, scraping, dry ground. 5 in order to use 50 #, 200 #, 400 #, 800 # granite refurbished disc, grinding stone renovation process continues refurbished stone is damaged stone on stone refurbished machines with the use of special grinding stone damage to the surface of the coarse , fine grinding, polishing, and then deal with the crystallization process do care, to restore the natural texture and gloss. Needs renovation Stone: Decorative mixed construction jobs and more jobs, move, or corrosion damage to a large number of people directly and supplies decorative materials has paved stone, causing a large area of ??contamination, can not reach the hand over of the standard; After completion of irregular floor coverings missing or notches worse position because reasonable wear and lose their decorative effect after long-term use of stone; need to be refurbished. Renovation process and process: different stone, stone renovation process is different, the following lists several common stone renovation process and procedures.