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Release time:
2023/10/23 23:13
磨料是以氧化铝粉为原料，经电熔冶炼而成。颜色纯白，无杂质，硬度高，颗粒致密，单颗粒圆形度好，砂是一种适用于干式和湿式两种生产工艺的最经济实惠的磨料，尤其适用于对较粗糙的工件表面进行处理，而处理后表面又要求较精细的场合。接下来磨料生产厂家小编带大家了解下磨料的特点有哪些。板状刚玉具有板片状晶体结构，气孔小且闭气孔较多而气孔率与电熔刚玉大体相当，纯度高，体积稳定
Release time:
2023/10/16 23:11
属于人造磨料的一种，颜色洁白，具有质地致密、硬度高等优点，主要用于喷砂、研磨、抛光等用途，那么喷砂的优点有哪些呢？那么河南四成小编为您介绍喷砂的优点。凡是电熔刚玉或应用的部位都可以用板状刚玉替代，并使耐火材料的性能得到改进。广泛应用于钢铁、铸造、石油化工、陶瓷和焚烧等行业。微粉是以优质氧化铝为原料，电熔提炼结晶，经过破碎，研磨，筛分，酸洗，水洗，烘干，筛松等
Release time:
2023/10/09 23:19
陶瓷刚玉磨料（SG磨料）是一种新型陶瓷氧化铝磨料，它是由晶粒为亚微米级的刚玉（Al2O3）晶体，采用溶胶-凝胶工艺合成并烧结而成的一种陶瓷氧化铝磨料。陶瓷刚玉磨料砂轮的加工性能要远高于电熔刚玉磨料砂轮，介于电熔刚玉和cBN之间，其价格远低于cBN，而且可使用砂轮的修整设备，而不必使用价格昂贵的修整设备，因此填补了普通的刚玉磨料与超硬立方氮化硼（cBN）磨料之
Release time:
2023/10/02 23:30
在定型耐火材料产品领域，公司拥有不烧镁碳类产品、不烧镁铝（铝镁）碳类产品、不烧镁钙碳（白云石）类产品、低碳（无碳）刚玉尖晶石类产品、RH精炼用耐材类产品、煤化工用耐材类产品、烧成镁钙（白云石）类产品。其中，不烧镁碳类产品主要用于转炉、交流电弧炉、直流电弧炉的内衬，钢包的渣线等部位，产品不仅耐高温性能良好，还有强大的抗渣功能，抗热震性比较好，高温蠕变较低；不烧
Release time:
2023/09/25 23:28
采用镁合金可在铝轻量的基础上再减轻30%～40%，随着镁合金压铸技术的提升，镁铝价格比走低，镁合金结构件将逐步替代铝合金结构件。在定型耐火材料产品领域，公司拥有不烧镁碳类产品、不烧镁铝（铝镁）碳类产品、不烧镁钙碳（白云石）类产品、低碳（无碳）刚玉尖晶石类产品、RH精炼用耐材类产品、煤化工用耐材类产品、烧成镁钙（白云石）类产品。其中，不烧镁碳类产品主要用于转炉
Release time:
2023/09/18 23:33
电熔美铝尖晶石：近期河南、山东两地氧化铝价格出现不同幅度的上涨，电熔镁铝尖晶石生产成本增加。随着国内疫情管控政策的放开，企业生产活动逐渐恢复，下游对尖晶石的采购需求会逐步升温。价格或有上涨空间。烧结镁铝尖晶石：进入冬季矾土生矿开采难度加大，价格稳中趋强运行。本周市场仍处于修复期，镁铝尖晶石生产企业持谨慎观望态度，价格暂未调整。若下周成本持续上涨，尖晶石价格大
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Fused white corundum, dense corundum (tabular corundum), brown corundum. These three are all aluminum raw materials.
Fused white corundum is calcined alumina or industrial alumina as raw material, high temperature melting in the electric arc furnace, white, block material, crystal for the strip and rhombus, and often the skeleton of the crystal. Because the raw material is very pure, no chemical reaction occurs in the electric furnace operation, but the temperature of the molten liquid, the cooling rate, etc. have a great influence on the structure of the block. Fused white corundum, dense corundum (tabular corundum), brown corundum. These three are all aluminum raw materials. Aluminum content
Dense corundum and white corundum reached 99%, brown corundum aluminum content: 95%. Price, dense corundum higher than white corundum
White corundum is higher than brown corundum. So in the application of refractory materials, dense corundum is better than white corundum, brown corundum ranked third
Properties of Magnesium Aluminate Spinel
Magnesium aluminate spinel is widely used in steel-making refractories due to its special properties of slag corrosion resistance, good thermal shock resistance and high strength at high temperature. High quality pre-fit
The preparation of spinel provides a new raw material for the production of amorphous and shaped high purity refractories.
The two main methods for the synthesis of spinel are sintering and electrofusion. Most spinel materials are made from high-purity synthetic alumina and chemical grade magnesia,
That is, sintering in a shaft kiln and electromelting in an electric arc furnace. The advantage of sintering magnesium aluminate spinel is that the process is a continuous ceramization process, controlling the feed in the kiln.
Velocity and uniform temperature distribution, resulting in a very uniform crystal size of 30-80 μm and low porosity (<3%) of the product.
Electromelting production of magnesium aluminum spinel is a representative intermittent operation, large casting blocks need to extend the cooling time, the cooling of the casting block leads to microstructure.
Uneven, due to faster cooling, the outer spinel crystals are smaller than the inner ones, and the low melting point impurities are concentrated in the center. Therefore, it is necessary
Spinel raw materials are sorted and homogenized.
Another advantage of using high-purity raw materials to produce aluminum magnesium spinel is the low impurity content in the aluminum magnesium spinel aggregate (MgO A1203>99%), especially SiO2
The low content makes it have good high temperature performance. Alumina-based aluminum magnesium spinel has no good performance as synthetic alumina-based aluminum magnesium spinel and can only be used
Corrosion resistance and high temperature strength requirements are not high parts.
Magnesium aluminate spinel manufacturers take you to fully understand magnesium aluminate spinel
Magnesium aluminate spinel has excellent properties, such as high melting point (2135), high hardness (16GPa), low thermal expansion, high corrosion resistance and excellent optical properties. Widely used in refractory materials, humidity sensors, transparent ceramic materials, anode materials, artificial flange materials and catalytic materials.
Introduction of magnesium aluminate spinel
Bauxite-based sintered magnesium aluminate spinel uses high-quality bauxite with Al2O3 content of more than 76% and high-quality light burned magnesium powder with MgO content of more than 95%.
In an ultra-high temperature tunnel kiln, it is sintered at a high temperature above 1800°C.
Bauxite-based sintered magnesium aluminate spinel uses high-quality bauxite with Al2O3 content of more than 76% and high-quality light burned magnesium powder with MgO content of more than 95%.
The chemical process is sintered at a high temperature above 1800°C in an ultra-high temperature tunnel kiln, with high volume density, high mineral phase content, good grain development and structure.
Uniform, stable quality. Magnesium aluminate spinel has good corrosion resistance, corrosion, peeling ability, good slag resistance, abrasion resistance, thermal shock stability
Good, high temperature resistance and other performance characteristics. It is the production of refractory products such as magnesium aluminum spinel bricks, ladle lining bricks, ladle castables and other refractory products for the high-temperature zone of cement rotary kilns.
Ideal raw materials. Magnesium aluminate spinel is widely used in refractory materials, iron and steel smelting, cement rotary kiln and glass industrial kiln
It has good erosion resistance, abrasion resistance and good thermal shock stability. Its main purpose: one is to replace the magnesium chrome sand manufacturing magnesium aluminum spinel brick
Used in cement rotary kiln, not only to avoid chromium pollution, but also has good resistance to spalling; the second is used to make ladle castable, greatly improving the steel plate
Lining resistance to erosion. It is widely used in steel-making refractory materials. Preparation of high-quality pre-synthesized spinel for amorphous and shaped high-purity refractories
The production of new raw materials
The use of fused dense corundum
Electric fused dense electric fused corundum is a kind of high-grade refractory material, the main crystal phase is greater than 96%, the porosity is less than 4%, it has good acid resistance and alkaline energy, and has good properties at high temperature.
Good wear resistance, erosion resistance and volume stability. Widely used in iron and steel metallurgy, petrochemical industry, building materials ceramics and other industries, mainly used as blast furnace iron ditch refractory ramming
Material, castable aggregate, but also the production of steel-making long water mouth, skateboard and a variety of corundum brick excellent materials. Dense corundum is made of high purity alumina and a reducing agent
A new type of high-purity refractory raw material is formed by high-temperature melting and cooling in an electric arc furnace according to a certain ratio. The main crystal phase of dense corundum is a -Al2O3, color
It is light gray, has a high melting point, a very high bulk density and a very low porosity, and has excellent wear resistance and slag resistance at high temperatures.
, volume stability and thermal shock resistance, is the best refractory raw material in corundum series.
Dense fused corundum is the production of blast furnace iron trench castable, ladle castable, ramming material, prefabricated parts and other amorphous refractory materials, as well as continuous casting three major pieces, through.
Gas brick, nozzle brick and other kinds of shaped products of the ideal raw material, dense fused corundum is widely used in steel, cement, ceramics, petrochemical and other industries.
Development of White Corundum in Metallurgical Industry Arc Wheel Dressing
White corundum is widely used as we all know. Product size according to international standards and the standard production, can be processed according to user requirements granularity. The general particle size number is F4 ~ F220, and its chemical composition varies depending on the particle size. The prominent point is that the crystal size is small and impact resistant. If the self-grinding machine is used to process and break, the particles are mostly spherical particles, the surface is dry and clean, and it is easy to bond. White corundum is the main raw material of alumina powder, suitable for chromium oxide, etc., by high temperature smelting. Chromium corundum is pink, the hardness is similar to that of white corundum, and the toughness is higher than that of white corundum. Abrasives made of white corundum have good durability and high grinding finish. apply
Product Label
Sanmenxia Shuntai fused corundum Co., Ltd.
Henan magnesium aluminum spinel, magnesium aluminum spinel, magnesium aluminum spinel price, magnesium aluminum spinel, magnesium aluminum spinel manufacturers
Address
Zhaigen Industrial Park, Shanzhou District, Sanmenxia City, Henan Province
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