Identification of quartz simple way two bad breath: good quartz materials are environmentally friendly consumption, smells very natural stone taste. Poor to participate in the process of consumption quartz containing formaldehyde glue, consumption out of the sheet had a very strong smell of formaldehyde quartz stone, quartz stone which can not choose cheap price and then, ah, endanger life! Third, the color: color, particles can mean, especially color plates, color, average particle quartz stone, quartz stone considered inferior. How to identify good and bad quartz stone quartz stone partakers cast and molded panels, molded panels better quartz stone counters, no stomatal density dense, and often cast in the back and sometimes have a lot of pores on the surface. Good color is very pure quartz stone, quartz stone hue times more turbid. Quartz with bad quality raw materials, machinery and equipment, production process, and technology development efforts and other hardware facilities have a direct link, of course, the management of the enterprise is critical. Quality of identification methods are now following aspects to reveal the cause of good or bad quality quartz stone inside and outside in. Quartz Stone | Kai Sa Building Materials (certified) | quartz provided by Kai Sa Building Materials Co., Ltd., Dongguan City. Building Materials Co., Ltd., Dongguan City, Kai Sa (www.kaisa-stone.com) is Dongguan, sandstone leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Kai Sa leader in building materials with the staff warmly welcome all inquiries negotiations to create building materials Kai Sa a better future.