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YAPAI Cement is bauxite and limestone as raw materials, calcined calcium aluminate as the main component, alumina content of about 50 % of the clinker, and then grinding made of hydraulic cementitious material.  Aluminate cement is often yellow or brown, but also gray.  The main mineral of aluminate cement becomes calcium aluminate and other aluminates.  YAPAI Cement setting hardening speed is fast.  The strength can reach 80 %, suitable for metallurgy, chemical industry, petroleum, electric power, machinery, building materials and other industrial kilns.  It is mainly used for emergency construction projects, such as national defense, roads and emergency repair projects.  It has high heat resistance. 

 For example, refractory aggregate ( such as chromite, etc. ) can be made into heat-resistant concrete with a temperature of 1300 ~ 1400 ℃. 

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