How to identify quartz stone quartz stone is good or bad one, relatively Beverly quartz and quartz 2 other domestic appearance: A, Beverly quartz: clear, bright color Dongguan quartz stone, no film B, other domestic quartz: cloudy, hazy color, we need to film. 3, raw materials: A, Beverly Quartz: 94% of the material is quartz (silicon dioxide content of more than 99.9% quartz, a melting point of up to 1300 degrees Celsius), 6% of resin and traces of paint. Section sharp, reflective of good B, other domestic quartz: quartz content is low, up to 80%, high resin content (over 20%), which added a lot of calcium Kai Sa quartz stone, so do not scratch. How to identify quartz stone quartz stone is good or bad two, relatively Beverly quartz stone quartz stone and abroad 1. Appearance: A, Gloss: Beverly quartz Dan Guangze degree above 60 degrees, Foreign quartz at about 45 degrees ; B, smoothness: Beverly Long quartz stone is not particularly smooth surface touch feeling hanging hand, foreign quartz fairly smooth, silky quartz plate _ _ quartz stone building materials from Dongguan City, Kai Kai Sa Sa Building Materials Limited. Dongguan Kai Sa Building Materials Co. (www.kaisa-stone.com) strong, credible, in Dongguan, Guangdong sandstone industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Kai Sa Building Materials and you work into the brilliant, for a better future!