| Customization: | Available |
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| Material: | Castable |
| Refractoriness (℃): | 1770< Refractoriness< 2000 |
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Alumina Bubble Castable
Alumina Bubble Refractory Castable (Alumina hollow ball castable) is a lightweight refractory castable prepared with alumina hollow ball as aggregate and industrial alumina or corundum powder as powder. The binders used for this type of lightweight refractory castables are mainly CAC (CA-70C, CA-80C) cement, aluminum phosphate, and aluminum sulfate.
The characteristics of Alumina Bubble Castable (alumina hollow ball castables) are high load softening temperature, high strength, and good thermal insulation performance. The operating temperature is usually between 1600 ºC and 1700 ºC. It is an ideal thermal insulation material for carbon black reaction furnaces and high-temperature special lining durable layers.
Alumina Bubble Castable Physiochemical Indexes
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Item
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Specification
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Low cement bonder
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Aluminum sulfate bonder
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Al2O3 %
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≥95
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≥95
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CaO %
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≤2.5
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/
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Bulk Density, g/cm3
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≤1.6
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≤1.5
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CCS, MPa
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110ºC×24h
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≥7
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≥5
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1500ºC×3h
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≥22
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≥18
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Thermal Conductivity, W/(m·K) 1000ºC
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≤0.65
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≤0.76
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Working Temperature, ºC
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>1600
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>1600
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Packaging: 25kg/bag, two layers kraft bag with water proof, and with ton bag outside or each ton packed on a fumigation pallet according to customers' request.
ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
1.We Has More Than 20 Years Of Experience In Refractory Production And Export In China.
2.Covering a Full Range Of Shaped And Unshaped Refractory Products. Such As High Alumina Seriesbricks. Mullite Bricks, Corundum Series Bricks, Silica Series Bricks, Andalusite Bricks, Magnesiaseries Brick Carborundum Brick, Insulating Series Brick,Insulating And Dense Castables.
3.A State-Of-The-Art Logistic System And Warehouse Facilities and Strong And Friendly Marketing Team.
Unshaped Refractory Factory
Established in the early nineties of twenty century, with continuous innovation and development, now it is a comprehensive enterprise in refractory materials industry, covering metallurgy, building materials, electric power, chemical industry etc.
We have own workshop , advanced production line , experienced workman and stricted check out flow .
So choosing us is the right choice for you.If you are interested in our refractory castables or if you have any question, pls feel free to contact us at any time. We will reply as soon as possible.
Engineering Case
Our products are widely used in electric power, metallurgy, petrochemical and other fields, and are exported to more than 80 countries and regions in the world such as Europe, America, Oceania, Southeast Asia, and the Middle East.
We have a large scale, strong strength, and rich experience, professional technology, and perfect customer service, and have obtained various certifications such as CE/ISO9001/ISO45001.
we can provide you with the most advantageous quotations and products. Looking forward to be your partner!
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