Beijing Cathay hardened cement | cement floor from the sand | polished concrete floor | cement floor cured cement floor cleaning and waxing, advanced equipment and expertise is a technology that allows you to restore the original ground decorative effect, recognized by customers! 010-86077780 13001133969 Services: cement hardening polish, floor polish, cement from the sand, concrete polishing, hardened floor, cement hardened cement from the sand, hardened concrete floor, concrete floor from the sand from the ash, cement floor sclerosis, * hardened concrete curing concrete floor curing cement sealer to make your floor showing 100% results: shiny marble, tough hardness, both wear and hardening, compressive strength, corrosion, dust, cold, anti- The main reasons for the high concrete from the sand are: 1. water-cement ratio is too large: the amount of water that is mixing the concrete, leading to the concrete surface bleed water, reducing the surface strength of concrete. 2. unreasonable graded sand and gravel, clay content is high: aggregate gradation unreasonable, meticulous earth and sand from the sand also easily lead to the ground, the impact of early coagulation of hydration of cement and concrete. 3. excessive vibration during construction: increased bleeding concrete surface, resulting in a lower surface strength of concrete. 4. improper maintenance: failure to conservation or conservation of inadequate exposure or concrete surface winds cause a lot of dehydration, lack of adequate hydration surface, resulting in a lower intensity. 5. Other reasons: bad time to master calender, concrete surface does not reach a certain strength to the Master operation, construction of concrete surface at low temperature cold and so on. Interface agent often used on the site were scraping mixing cement, sand from the site you want to cover, in fact, this will not achieve the desired results, in general, the surface will crack after drying, flaking, a large area from the shell. This is due to the grassroots untreated good reason, since the grass-roots powder, want coverage to repair the effect is completely wrong. Concrete hardener specially developed for concrete from the sand after the concrete hardener can fully absorb from the sand problem, while the original concrete raise a label. Beijing Headquarters Base: Branch Tianjin, Shijiazhuang, Baoding, Langfang, Guan, Tangshan, Inner Mongolia, Zhuozhou / Cangzhou, Zhangjiakou, Baoding ,, Tangshan, Qinhuangdao, Shandong, Yantai, Jinan, Dongying, Bazhou, Katsuyoshi, wen'an Inner Mongolia, Heilongjiang, Shenyang, Xinjiang. Beijing Service Area: Chaoyang, Haidian, Fengtai, Tongzhou District, Shijingshan, Mentougou, Fangshan District, Daxing District, Miyun, Shunyi, Huairou, Pinggu, Yanqing, Dongcheng, Xicheng, Xuanwu, Chongwen Gate, Yanjiao. 24 hours a day non-holiday [construction] Headquarters Tel: 010-860777780 // // 13,001,133,969 13,581,528,061 13,020,074,891 Chen Yang Customer qq: 1375396088 www.guotaibaojiegs.com www.gtbaojie.com www.guotaibjgs.com our services: professional, standards, thoughtful, careful! Our goal: to provide first-class customer service, quality service for customers happy! Professional team superbly polished Advanced Services team of professionals trustworthy. Using our services; send you an environmentally friendly, low carbon, comfortable living environment has fundamentally changed.