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Fire Resistant Refractory Cement Powder For Boiler

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Fire Resistant Refractory Cement Powder For Boiler

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Brand Name : Rongsheng

Model Number : CA-70

Certification : ISO9001

Place of Origin : China

MOQ : 1 TON

Price : $300.00 - $1,000.00/ Ton

Payment Terms : L/C, T/T, Western Union

Supply Ability : 5000 Metric Ton/Metric Tons per Month

Delivery Time : 7-15 work days

Packaging Details : 25 or 50kg in small bag or as your requirement.

SiO2 Content (%) : ≤1.0%

Al2O3 Content (%) : 68%~77%

Refractoriness (Degree) : Common (1580°< Refractoriness< 1770°)

S : ≤0.1

Color : Grey

Certificate : ISO9001:2015

Initial setting time (min) : ≥45

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China fire resistant high heat refractory cement for boiler

The raw materials of calcium aluminate cement CA-70/80 are high purity calcium materials and high pure alumina. The raw materials should be mixed according to suitable ratio. The raw material should be burned to partly fuse. After cooling, α-Al2O3 powder added into clinker, then ground to cement. The content of Al2O3 is usually controlled within 68% to 72%. The principal compounds of it are CA and CA2.

Fire Resistant Refractory Cement Powder For Boiler

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
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
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
72hour 70.0min 70.0min 70.0min 70.0min 60.0min
Refractoriness (°C) 1680 1710 1730 1750 1770

Fire Resistant Refractory Cement Powder For Boiler

Calcium aluminate CA-70/80 is used for manufacturing good property (low water, low cement) refractory castable, or unshaped bulk refractory materials, which are used in high temperature, high pressure, and reducing condition. It is also high quality binder of refractory castable, which is extensively applied in chemical industry, metallurgical industry, building material, petroleum industry, ceramic industry etc.


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Fire Resistant Refractory Cement Powder

      

Refractory Cement Powder For Boiler

      

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