heat resistant cement refactory cement from China manufacturer

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: CA-65 CA-70 CA-75 CA-80

High Alumina Refractory Cement Refractory Cement For Ce

High Alumina Refractory Cement Refractory Cement For Cement Plant

Quick Detail:

Model Number: CA-70 CA-75 CA-80
Al2O3 Content (%): 40%~80%
Material: Alumina Cement

Description:

Calcium aluminate cements are cements consisting predominantly of hydraulic calcium aluminates. Alternative names are "aluminous cement", "high-alumina cement" and "Ciment fondu" in French. They are used in a number of small-scale, specialized applications.

Applications:

1. In construction concretes, rapid strength development is achieved, even at low temperatures.
2. In construction concretes, high chemical resistance is possible.
3. In refractory concretes, strength is maintained at high temperatures.
4. As a component in blended cement formulations, various properties such as ultra-rapid strength development and controlled expansion can be obtained.

Specifications:

Product		CA-65	CA-68	CA-70	CA-75	CA-80
Chemical Composition (%)	Al₂O₃	64-66	67-69	69-71	73-75	77-80
	CaO	32-34	29-31	27-29	23-25	18-20
	SiO₂	1.8	1.2	0.3	0.3	0.3
	Fe₂O₃	0.6	0.6	0.3	0.3	0.3

Specific Surface (cm²/g)		4500	4500	5000	5500	7000
Setting time (h:min)	Initial setting (min)	0:40	0:40	0:40	0:45	0:45
Setting time (h:min)	Final Setting (min)	8:00	8:00	10:00	10:00	10:00

Cold Modulus of Rupture (MPa)	24 hour	6.0min	6.0min	6.0min	6.0min	5.0min
Cold Modulus of Rupture (MPa)	72 hour	8.0min	8.0min	8.0min	8.0min	6.0min
Cold Crushing Strength (Mpa)	24hour	45.0min	45.0min	45.0min	45.0min	35.0min
Cold Crushing Strength (Mpa)	72hour	70.0min	70.0min	70.0min	70.0min	60.0min

Refractoriness (°C)		1680	1710	1730	1750	1770