8% SiO2 77% Al2O3 High Alumina Castable Refractory

Hot Sell High Temperature Resistant Good Quality Refractory Material Castable High Alumina Castable

High Temperature Resistant Good Quality Refractory Material Castable are new castables with a low binder content. The key point is the use of ultrafine particles not exceeding 1 μm. Its thermal shock resistance, slag resistance and erosion resistance are significantly improved, surpassing similar refractory bricks. Further reducing the binder content can produce ultra-low cement castables and cement-free castables

High Temperature Resistant Good Quality Refractory Material Castable refer to castables with lower cement usage. The amount of cement used for refractory cement castables is generally 15% to 20%, and the amount of cement for low cement castables is about 5%, and some even decrease to 1% to 2%. The purpose of reducing the amount of cement is to improve the fire resistance of the castable.

It relies on the addition of several special raw materials to obtain good performance: First, pure calcium aluminate cement, because of the high content of effective mineral CaO·Al2O3, the lesser the incorporation, the desired strength can be obtained. The second silica fume is a glass microsphere having an SiO2 content of between 93% and 98% and an average particle diameter of about 0.5 μm. After the addition of silica fume, the flowability of the castable is good, the water requirement for molding is low, the sintering temperature is low, and the performance after heat treatment is avoided. Third, alumina fine powder, which is relatively easy to participate in the reaction and improve the fire resistance of the material. Fourth, the water reducing agent, which can adsorb on the surface of the powder, thereby generating electrostatic repulsion to disperse the powder, thereby further exerting the function of the fine powder.

Advantage

1. We have been in this industry for over 30 years, with the most professional production technology.
2. Our company to provide the best quality service, at any time for the customer to solve the problem.
3. We have an experienced team of work and production base.
4.We offer the highest quality products and competitive prices.
5. We have a professional enterprise qualification certification and product inspection certificate.
6. We have effective logistics centers, factories and warehouses to ensure fast delivery of the domestic market and foreign markets.

Application

heating furnace,heat treatment furnace,furnace cover of electric furnace,shaft kiln,rotary kiln, trough of blast furnace,steel ladle,hot metal ladle

    Zhengzhou ANNEC Industrial CO., Ltd. was founded at Sep, 2003, and has been a NASDAQ listed corporation since 2011(Stock code: ANNC). ANNEC had become refractory industrial leader provide core service such as refractory production, technology of blast furnace and hot blast stove and EPC contract project in China. Now ANNEC sets up Academician workstations, the Provincial Engineering and Technology Center, Hot Blast Stove Research Centre, ANNEC (Beijing) Engineering Technology Co., Ltd and four production sites as subsidiaries. Yearly refractory output is 150 kt.

    ANNEC is a national hi-tech company, and is accredited with ISO9001:2008 quality control system standards, ISO12001:2004 environmental control system standards, and GB/T28001-2011 HAZOPS. ANNEC has set up a thorough and effective management system with practical considerations for her employees and community, and is persistent in promoting employee self-value and product products. Based on the efforts, ANNEC is the recipient of the prestigious 2012 Zhengzhou Mayor Quality Prize.

ANNEC has capability of manufacturing refractories materials of fireclay, high alumina, silica and insulating bricks and corresponding unshaped refractories for hot blast stove. Meanwhile, ANNEC also produce various refractories for coking, sintering, casting house, torpedoes, iron ladles and steel ladles. ANNEC’s products have been sold to America, Japan, Korea, India, Iran, Vietnam, Turkey, Malaysia and Indonesia; get the customer's endorsement in the domestic and world. At the same time, ANNEC’s testing center shoulder examinations of products quality and tests of new product development.

    ANNEC has been providing matched refractories of different type HBS for CERI, CISDI, WISDRI, CSGI and Kalugin，P•W，Danieli and SIEMENS VAI in their worldwide projects. ANNEC is awarded as excellent supplier by Baosteel, CSGI, and MCC etc.

ANNEC owns more than 50 patent technologies which include checker bricks with19 holes; 37 holes, 61 holes, ceramic burner of swirl-cutting top combustion hot blast stove, cone-column composited ceramic burner for top combustion hot blast stove, symmetric layout structure of hot blast stove, three section hot blast stove with independent structural. ANNEC was authorized to fulfill editing 7 standards of national and of industrial, including 《Silica Brick》, 《High Alumina Brick》， 《Refractory Brick for HBS Ceramic Burner》,《Refractory Standard Configuration of HBS System 》 and 《Energy Saving Technical Specification of Top Combustion HBS》.

    ANNEC successively get awards such as “Chinese Outstanding S&T Innovation Enterprise”、“AAA grade Credit Enterprise”“Chinese Famous Brand Trademark China” “Provincial Famous-brand Product, Henan”“Provincial Credit Enterprise, Henan” “Zhengzhou Environmental Enterprise”

    ANNEC owns core culture which is to make customer satisfaction, staff satisfaction and shareholder satisfaction; and continuously push forward technological development of HBS and progress of refractory technology by its great efforts, and gradually becomes one of the best professional suppliers in high temperature industry of global