The factory has two types of products: a water filter quartz sand Second, industry, building materials quartz sand and gravel British sand filter commonly used size: 0.5-1.0mm 1-2mm 2-3mm 2-4mm 4-6mm 6-16mm 16--25mm 16-32mm quality inexpensive Tongzhou refined quartz sand, timely delivery, courteous service, welcomed the inquiry negotiate! refining quartz sand physical and chemical analysis of project identification analysis data analysis data analysis project identification project identification data SiO2 content 99 % bulk density of 1.75t / m3 hydrochloric acid soluble rate 0.4% 7.5 Mohs hardness of the wear rate of 0.3% acid resistant to acid boiling point 2550 ℃ crushing rate of 0.35% alkali alkali resistance good rate of melting point 1480 ℃ ash content of 0.25% Zn 0.005 the proportion of 2.67% porosity 43% of other metal content does not exceed the national drinking water standard quartz sand filter manufacturers, Tongzhou quartz sand, water filter (see) provided by the Henan water purification Material Co., Ltd. Spirit. "Polyacrylamide, PFS, activated carbon, fiber ball, water treatment material" preferred Henan Spirit Water Material Co. (www.gyssjs.com), the company is located: Gongyi City, Henan Province, North Industrial Park Yamaguchi, over the years, flourishing water to provide customers with the best quality service, Contact: Zhang. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Saatchi & purification expect to be your long-term partner!