| Customization: | Available |
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| Feature: | Long Time Materials |
| Refractoriness (℃): | 1770< Refractoriness< 2000 |
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AZS block is also called fused zirconia corundum brick which contains Al2O3-ZrO2-SiO2. The fused cast AZS block is made of pure alumina powder and zircon sand (consisting of 65% zirconia and 34% SiO2). After the alumina powder and zircon sand are melted in an electric furnace, they are cast into various molds and cooled down to become white solids. Since the content of zirconia is between 33% and 41%, the fused cast AZS blocks are divided into three types: AZS-33#, AZS-36# and AZS-41#.
It has the feature of compact micro-structure, good erosion resistance, good thermal shock resistance and high compression resistance.
| Item | AZS33 | AZS36 | AZS41 | |
| Chemical Composition (%) |
Al2O3 | ≥50.00 | ≥49.00 | ≥45.00 |
| ZrO2 | ≥32.50 | ≥35.50 | ≥40.50 | |
| SiO2 | ≤15.50 | ≤13.50 | ≤13.00 | |
| Na2O+K2O | ≤1.30 | ≤1.35 | ≤1.30 | |
| Bulk density (g/cm3) | ≥3.70 | ≥3.75 | ≥3.88 | |
| Apparent Porosity (%) | ≤1.4 | ≤1.2 | ≤1.2 | |
| Cold Crushing Strength (MPa) | ≥300 | ≥300 | ≥300 | |
| Exudation Temperature of Glass Phase | ≥1400 | ≥1400 | ≥1410 | |
| Bubble Separation Ratio (1300ºC×10h) | ≤1.5 | ≤1.4 | ≤1.0 | |
| Apparent Density (g/cm3) |
PT(RN RC N) | ≥3.45 | ≥3.50 | ≥3.70 |
| ZWS (RR EVF EC ENC) | ≥3.60 | ≥3.70 | ≥3.90 | |
| WS (RT VF EPIC FVP DCL) | ≥3.70 | ≥3.80 | ≥4.00 | |
| Common Size (mm) | 300*400*1000 300*500*1200 300*400*1200 400*600*1400 Customized size can be provided according to customer's requirement |
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Henan Fireramo Industrial Co.,Ltd. is located in Songlou Industrial Zone, Xinmi City, Henan Province, China, which is one of the largest refractory base in China. The factory of us covers an area of 108,000 Square Meters with more than 1 billion RMB fixed assets. There are around 400 employees in our factory, including 20 board members, 10 technicians, and 4 plant managers. Fireramo is a new technology enterprise specializing in manufacturing, production, sales and consultant of refractory materials for various industry, such as, cement plants, glass factories, steel plants, chemical & oil industries.
Fireramo has been established since 1998. We do both domestic and overseas business. Our products have been sold all over the world, especially to Iran, Turkey, Pakistan, Korea, UAE, Saudi Arabia, Kuwait, Syria, Qatar, Russia, etc.
Factory Equipment
R&D
Fireramo has its own engineering technology center and testing laboratories, which can meet the testing requirements for various kinds of products and raw materials, and the research and development of new products. At the meanwhile, we have a well-equipped and skilled furnace construction team that can provide users with service items such as furnace design, construction, rapid maintenance and operation technical training, etc.
Q1 : Do you provide free samples?
A1 : Yes, free samples can be provided, the buyer shall bear all the delivery cost.
Q2 : How can you control your quality?
A2 : We have professional QC system for the chemical composition and Physical properties.All the products will be tested before delivery
Q3 : What is your payments terms?
A3 : We can accept 30% deposit, 70% balance to be against the BL copy or by LC, or other payment terms.
Q4 : Are you a trading company or manufacturer?
A4 : We are a manufacture and our factory was established in 1998.
Q5 : What standards can you meet?
A5 : We can meet GB, ASTM,JIS,DIN standards.
The third party test is acceptable.
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