Calcium Aluminate Cement

Calcium Aluminate Cement
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Product Number: SC-CA
Also called high-alumina cement or refractory cement, the calcium aluminate cement is a kind of hydraulic cementing material mainly consisting of aluminate. The calcium aluminate cement SHUO CHENG supplies is made from proportionally mixed bauxite and lime and processed by means of calcining and levigating.

At high temperature, the refractory cement can remain relatively high strength. The residual strength of the concrete made from the calcium aluminate cement keeps 70% and 50% of the original strength respectively after thermal treatment at 900℃ and 1300℃. Therefore, the high-alumina cement is well applicable for refractory mortar and thermal resistant concrete and extensively used on various industrial kilns.

Besides, proportionally mixed with gypsum, the calcium aluminate cement can be turned into expansive cement and self-stressing cement (special cement). Since the refractory cement contains much crystal water, it is also ideal for radiation shielding concrete.

In addition, the aluminous cement is suitable for engineering constructions in need of emergency maintenance, high strength for early phase, winter construction or resistances to acid, alkali and low temperature, etc.

Technical Indicators of Calcium Aluminate Cement

TypeCA50-G6 (625#)CA50-G7 (725#)CA50-G9 (925#)CA50-F9 (close to Secar51)CA70 (close to Secar7 1)
IndicatorsUnitStandardData
Blaine finenessm2/kgGB8074-87300Min300Min400Min400Min550Min.
Initial timeHour :minuteGB/T17671-19890:30Min0:30Min1:30Min2:00 Min.30 Min.
Final time6:00Max6:00Max6:00Max8:00 Max.6:00 Max.
Flexural strength1 dayMpaGB/T17671-19996.0Min6.5Min8.0Min10 Min.5.0 Min.
3 days7.0Min7.5 Min10.0 Min11 Min.6.0 Min.
Compressive strength1 day45Min50Min70 Min75 Min.30 Min.
3 days55Min60Min80 Min80 Min.40 Min.
Chemical compositionSiO2%GB/T205-2008.0Max8.0Max6.0Max5.0 Max.1.0 Max.
Al2O350.0Min51.0Min53.0Min50 Min.68.5-71.5
Fe2O32.5Max2.5Max2.0Max2.5 Max.0. 7 Max.
CaO33.0Min33.0Min33.5Min38 Min.26.5-30.5
MgO1.0Max1.0Max1.3Max
TiO23.0Max3.0Max3.0Max
OthersPackaging: 25kg*40bags or 20kg*50bags into a 1000kg plastic woven bag. 20mt/20 feet container.
Quality of Goods confirms to China standard GB201-2000

Related Names
Fire and Therma l Resistant Building Materials

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