Calcium Aluminate Cement

Description for Calcium Aluminate Cement

Calcium Aluminate Cement is a kind of cement with CaO·Al2O3 and CaO·2Al2O3 as the main mineral composition, which is manufactured with natural bauxite or commercial alumina and calcium carbonate (limestone) according to certain mixing proportion through burning or electric smelting.

Calcium Aluminate Cement in RS
Calcium Aluminate Cement

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Composition and Classification of Calcium Aluminate Cement

Calcium Aluminate Cement can be classified into two types of common calcium aluminate cement (Al2O3 53~72%,CaO 21~35%) and pure calcium aluminate cement (Al2O3 72~82%,CaO 19~23%) according to its chemical component . Common calcium aluminate cement also can be classified into two types of low iron content (Fe2O3<2%) and high iron content (Fe2O37~16%). Low iron type also can be classified into bauxite cement (Al2O3 53~56%,CaO 33~35%), Aluminum-60 cement (Al2O3 59%~61%,CaO 27~31%) and aluminate cement (Al2O3 65~70%,CaO 21~24%). Pure calcium aluminate cement can be classified into common type (Al2O3 72~78%) and ultrahigh aluminum type (Al2O3 78~85%).

Refractory Cement - Calcium Aluminate Cement
Refractory Cement – Calcium Aluminate Cement

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Hardening Mechanism of Calcium Aluminate Cemen

Setting and hardening rate of Calcium Aluminate Cement relate to curing temperature. For Mineral CA2, the setting and hardening rate speed up with the curing temperature rising. For mineral CA, the setting and hardening rate are some abnormal, more quickly when 20℃, change to be slow when 30℃ and re-quick when more than 30℃. It is very important to choose the suitable curing condition according to the change situation when Calcium Aluminate Cement hydras heating. As the calcium aluminate cement hydrating will change with the different curing conditions. In the actual application, there always are some different marks for calcium aluminate cement. The mark means the reaching strength after certain curing time. Thus the calcium aluminate cement with CA as the main mineral generally adopts the mark strength after curing for three days. Then the calcium aluminate cement with CA2 as the main mineral adopts the mark strength after curing for seven days.

Calcium Aluminate Cement Suppliers

RS Kiln Refractory Company is a professional Calcium Aluminate Cement Supplier in China. With the abundant raw mineral materials and advanced manufacturing technology and equipments, RS has been insist on producing high quality refractory cement and calcium aluminate cement for many years. We have many manufacturing and exporting experience. We can provide the best low price for you. You do not have to consider where to buy calcium aluminate cement, you can just contact us for more information now. Best sales and service for you!

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