rsrefractorycastable, Author at Rongsheng Refractory Castable Cement for Sale Manufacturer and Supplier

Calcium Aluminate Cement For Sale

June 16, 2021January 17, 2020 by rsrefractorycastable

Calcium aluminate cement can also be called high aluminum cement. It and portland cement belongs to hydraulic cement. Due to the different mineral composition, calcium aluminate cement manufacturing characteristics are different.

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The construction performance of refractory castable is closely related to the process of calcium aluminate cement manufacturing. At the same time, the balance of construction performance and strength is also related to the control of calcium aluminate cement hydration process.

Calcium aluminate cement manufacturing is natural bauxite or industrial alumina and calcium carbonate (limestone) according to a certain proportion of the cooperation, calcined or electrofused and made, also useful iron bauxite and limestone through melting and made. Product quality is stable and reliable, welcome to consult and buy.

Generally speaking, the setting and hardening rate of calcium aluminate cement are also related to the curing temperature. With the increase of curing temperature, the setting and hardening rate of CA2 minerals is accelerated, while CA minerals are somewhat abnormal, which are relatively fast at about 20℃, slow at 30℃, and fast at higher than 30℃. According to the phase transition of calcium aluminate hydrate during heating, it is very important to choose suitable curing conditions. Because the hydration of calcium aluminate cement results in different hydrates with different curing conditions.

This series of refractory cement is widely used in metallurgy, chemical industry, petroleum, electric power, machinery, building materials and other industrial kilns and high temperature equipment. It has a good resistance to sulfate corrosion, good waterproof performance, high early strength, setting and hardening fast and other advantages, all products our company before the delivery of strict quality control, welcome to consult and purchase.

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Our products are used in metallurgy, chemical industry, building materials, electric power, military industry, non-ferrous metals, carbon industry and other high temperature, ultra-high temperature kiln and equipment refractory materials use requirements, refractory products throughout the domestic market, and exported to South Korea, India, Brazil, Jordan, South Africa and other international markets, has been praised by users.

Clay Refractory Castable Characteristics

June 16, 2021January 15, 2020 by rsrefractorycastable

Clay refractory castable for sale using bauxite, coke gemstone as aggregate, silicon powder, calcium aluminate cement, water reducer and other preparation, according to different use environment (design requirements), choose the corresponding grade of aggregate, can produce high aluminum castable 2.3 ~ 2.6g/cm3 volume density, volume density of 2.2g/cm3 clay castable for customers to choose.

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This series of refractory castable has the characteristics of high cold and hot strength, good wear resistance, heat shock, anti-spalling, good volume stability and long service life under high temperature. It is widely used in second stage reformer, gas pipeline of gasifier, hydrogen reformer, sulfur recovery device, flue, cement kiln tail, kiln head cooling machine, blanking machine, etc. Wide range of use, stable and reliable quality, welcome to consult and purchase.

Refractory clay castable is made of clay clinker and fine powder as raw materials, mixed with micro powder additive, and made of cement as binder. The bulk material is used to fill the gap between steel brick and shell of furnace throat and the secondary casting layer of bottom water cooling tube. Clay refractory castable for sale is used for leveling layer of bottom water cooling pipe or internal clearance of steel brick of furnace throat and clearance of steel brick and furnace shell, and also for hot air furnace system.

Clay castable has compact structure, excellent high temperature performance, good thermal shock stability and wear resistance, convenient construction, widely used in all kinds of neutral industrial kiln lining. Welcome to consult and purchase.

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We are an excellent refractory products manufacturers, numerous advantages, product variety, clay refractory castable for sale, stable and reliable quality, welcome the majority of users to consult.

Steel Fiber Castable Advantage

June 16, 2021January 14, 2020 by rsrefractorycastable

As we know, steel fiber castables can inhibit the shrinkage of castable during curing, grilling and high temperature use. After adding steel fiber, not only the toughness of refractory castable can be improved, but also the mechanical impact and mechanical strength can be improved.

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In general, after adding steel fiber, the thermal shock performance of castable is also improved. Steel fiber castables prevents fracture or spalling under the action of preventing microcrack and mechanical stress.

For steel fiber, generally use to join the crescent – shaped straight steel fiber. This kind of fiber can increase the contact area between steel fiber and castable, increase the friction force, and not affect the mixing and stirring performance.

It is worth noting that the use effect of steel fiber refractory castable is closely related to the production process, we should accurately according to the conditions of use, add the appropriate proportion of steel fiber, can not add excessive.

During the construction of this series of refractory castables, first of all, dry castables should be mixed and then mixed evenly, and then steel fiber should be added to stir. In this way, the steel fiber will not bend because of repeated stirring. If it is vibration molding, it is necessary to use attached vibrator, can not use insert vibrator construction, otherwise, will destroy the uniform distribution of steel fiber.

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Steel fiber refractory castable is mainly used to construct lining body of industrial kiln which is in contact with high-temperature gas or solid material. Steel fiber castables can also improve its thermal shock, mechanical shock. This series of refractory material stable and reliable quality, reasonable price concessions, worthy of customer trust, welcome to consult and purchase.

High Alumina Refractory Castable Price

June 16, 2021January 13, 2020 by rsrefractorycastable

High alumina refractory castables is made of bauxite, cokestone as aggregate, silicon powder, calcium aluminate cement, water reducer, etc. It can produce high alumina castable with a volume density of 2.3-2.6g /cm3 and clay castable with a volume density of 2.2g/cm3 for customers to choose according to different use environment (design requirements) and choose the corresponding grade of aggregate.

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High aluminum refractory castable has high cold and hot strength, good wear resistance, heat shock resistance, anti-spalling, good volume stability at high temperature, long service life, etc. It is widely used in two-stage reformer, gas pipeline of gasifier, hydrogen reformer, sulfur recovery device, flue, cement kiln tail, kiln head cooling machine, blanking machine, etc.

High alumina refractory castables has been widely used and achieved good results, making significant contributions to the steel industry and other high temperature industries. The refractory castable with high aluminum and low cement is widely used in the lining of heating furnace, lining of ladle and middle coating, working layer of molten iron and lining of cement rotary kiln. There are many factors influencing the properties of high alumina refractory castables, such as powder, binder and dispersant. In addition, material quality and water content are also important factors.

It is worth noting that the water content not only reduces the total porosity of the high alumina refractory castables, but also speeds up the early hydration of aluminate cement, resulting in less bound water in the hydrate and an increased capacity per unit cementing, thus contributing to its strength at room, drying, and medium temperatures.At low temperature, the total porosity of high aluminum castable is close to that of ordinary castable, while at high temperature, the change of high aluminum refractory castable is not significant, and the increase of ordinary castable is nearly 4%.

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Zhengzhou Rongsheng Kiln Refractory Co.,Ltd. is professional refractory material manufacturer, with fully automatic production equipment, stable and reliable quality, welcome to purchase.

Low Cement Refractory Castable Preparation

June 16, 2021January 11, 2020 by rsrefractorycastable

Low cement refractory castables preparation process requirements are very strict, so there are many factors affecting the performance, mainly ultrafine powder, aluminate cement, refractory aggregate and admixture. Refractory aggregate and water consumption are also important factors.

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First of all, we know that the role of ultrafine powder on low cement refractory castable determines the performance of low cement series refractory castable pillar, it is no exaggeration to say, no ultrafine powder, there is no low cement series refractory castable. In low cement refractory castable, ultrafine powder plays the role of dispersing accelerator and structure compacting agent. The former makes the cement particles highly dispersed without flocculation, while the latter makes the microstructure micropores fully filled to enhance the strength. Ultrafine powder types include SiO2, a-al2o3, Cr2O3, ZrO2 and MgO. The specific surface area of SiO2 ultrafine powder is about 20m2/g, and its ergodic length is about 1/100 of that of cement particles, so it has good dispersion and filling property. With the increase of SiO2 ultrafine powder dosage, the strength increases and the fireproof decreases, and the appropriate dosage is ≥3%.

Aluminate cement variety, variety is different, the preparation of low cement refractory castables performance is also different. For example, when the mixture ratio and process conditions are basically the same, the dosage of ca-50 cement and ca-70 cement are 5%, and the compressive strength after drying, firing at 800℃ and 1100℃, respectively, the former is 45Mpa, 51Mpa and 59mpa, while the latter is 65, 70 and 74mpa respectively. This indicates that the performance of the low-cement refractory castable prepared by ca-70 cement is better than that of the low-cement castable prepared by ca-50 cement, but the cost is slightly higher.

The basic fit of castable remains unchanged, and the amount of refractory powder and cement is constant. The minimum amount of cement shall ensure sufficient strength at room temperature to meet the technical requirements of mold removal or hoisting of low cement refractory castables. The normal temperature compressive strength of this series of refractory castable is 15Mpa and 22Mpa respectively. Before 1100℃, the amount of cement is large, and the compressive strength after burning is high. At 1400℃ and 1500℃, the two are basically similar, and the amount of cement is slightly higher.

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Finally, we are a professional refractory castable manufacturers, the production of a variety of unshaped refractories, full range of products, can be customized, welcome to consult.

High Strength Wear Resistant Castable Supplier

June 16, 2021January 10, 2020 by rsrefractorycastable

The high strength wear resistant castable manufacturer is made of corundum or high quality bauxite clinker, silicon carbide, etc., as aggregate, and the introduction of a variety of micro powder, ultrafine powder, corundum powder and admixture as admixture.

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High strength wear resistant castable is often used as the distribution of CFB boiler, slag discharge tube, furnace dense phase area and furnace outlet, cyclone separator and inlet and outlet flue, feedback, slag cooler and other parts of complex structure, can be cast vertical mold and less vibration.

The wear resistant castable is made of optimized gradation design, with small wear resistance loss in use, high temperature strength and strong integrity, and with the addition of polymer, making the series of castable and base concrete bond firm.

Generally speaking, the important indexes of macrostructure of high strength wear resistant castable manufacturer are stomatal rate, water absorption rate, permeability, stomatal aperture distribution, volume density, true density, etc they are important indexes to evaluate the quality of refractory materials. In addition to the direct expression of their own meaning, these indicators are also closely related to other properties of high strength wear resistant castables, such as thermal shock resistance, slag resistance, mechanical properties, thermal conductivity, etc.

This series of refractory castable has the characteristics of high strength, scour resistance, good thermal shock stability and so on, the working temperature can be maintained above 900℃, welcome to consult and purchase.

High strength wear resistant castable sales

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High strength wear resistant castable manufacturer, it with good flame retardant, low water absorption, good durability, long service life and other characteristics.It also has the advantages of simple construction, quick operation, easy to grasp, good integrity, easy to repair, and not easy to fall off. RS group sincerely welcomes people from all walks of life to our factory for investigation, consultation and procurement, and to establish a long-term cooperative relationship with us to achieve a win-win situation.

Refractory Concrete For Sale

June 16, 2021January 9, 2020 by rsrefractorycastable

Refractory concrete manufacturing is made of aggregate, cementing agent, admixture three parts in accordance with a certain proportion of the mixture made of direct pouring of special concrete. According to different cementing agent, refractory concrete can be divided into aluminate refractory concrete, glass refractory concrete, phosphate refractory concrete and aluminum sulfate refractory concrete.

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Fireproof craft is simple, need not complex concrete although fireproof and load soften the beginning temperature is slightly lower than fireproof brick, firing craft, plasticity is good, convenient to make the integral product of complex shape, low cost, life and fireproof brick is similar, so use more and more widely. It is widely used in furnace lining, furnace door, furnace wall and electric furnace.

Refractory concrete manufacturing can maintain the required mechanical properties under long-term action at high temperature above 900℃. Its properties depend on the refractory materials and their proportions of all aggregate, admixtures and cementitious materials.

It is well known that the granular and powdered materials in refractory concrete are called aggregate and admixture respectively. Concrete mixture can be formed by pouring, vibration or ramming method, and according to the hardening characteristics of cementitious materials (such as gas hardness, hydraulic hardness, thermal hardness, etc.), adopt the corresponding measures to promote its hardening.

Refractory concrete is better than low temperature cementing agent, and has higher compressive strength at room temperature. At the same time, due to the good integrity of the masonry, the gas tightness of the furnace is good, and it is not easy to deform. The steel plate of the furnace shell outside can be cancelled, and the resistance of the furnace to mechanical vibration and impact is better than that of the brick masonry.

For example, in the side wall of the soaking furnace, mechanical wear and impact are more severe, life is several times higher than brick. Thermal stability is good, most or all of the aggregate is clinker, expansion and cement material contraction offset, so the thermal expansion of masonry is relatively smaller than brick, temperature stress is also small, and there are a variety of network, needle, chain crystalline phase in the structure, resistance to low temperature stress ability.

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The refractory concrete manufacturing production process is simple, eliminating the complicated process of making bricks. It can be made into a variety of precast blocks and can be mechanized construction, greatly speeding up the furnace construction speed, more than 10 times more efficient than bricklaying. Welcome to consult and purchase.

Steel Ladle Castable Manufacturer

June 16, 2021January 8, 2020 by rsrefractorycastable

Steel ladle castables manufacturing are mainly made of high aluminum and silicon, with high melting point, low thermal stress, good stability, good slag resistance, high thermal stability, strong resistance to alkaline slag erosion and other characteristics. And it has remarkable effect on the resistance of melt erosion. Steel ladle castables are suitable for high temperature parts of industrial kilns, permanent lining of ladles, and other non-ferrous metal smelting systems.

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Steel ladle castable are mainly used on large, medium and small ladles. The refractory castable product has long service life, safety and stability, and is an ideal refractory for ladle. This series of refractory castable has high refractoriness, guaranteed quality safety and good use effect. Customers can customize the drawing, digital processing, high automation degree of production equipment, high precision, welcome to consult.

The steel ladle castables manufacturing are used in steel mills and foundries for pouring molten steel in front of open-hearth, electric or converter furnaces. It has good explosion-proof performance, high temperature strength, slag corrosion resistance and erosion resistance.

According to the technical scheme of steel ladle castables manufacturing provided by the customer, we can design the thickness of ladle lining, install pouring mould according to the thickness of ladle lining, and conduct pouring construction according to the construction scheme of refractory castable. After pouring, the mould will be removed after curing and baking, and then put into use. Welcome the majority of users to consult.

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Zhengzhou Rongsheng Kiln Refractory Co.,Ltd. Production and processing of a variety of unshaped refractory, product performance is good, can be customized, mechanical construction, liner integrity good, high service life advantages. Welcome to our factory to visit and negotiate with the majority of users, our refractory products of high quality, safe and reliable use, qualification certification is complete, welcome to contact us.

High Temperature Refractory Cement Price

June 16, 2021January 7, 2020 by rsrefractorycastable

High temperature refractory cement manufacturing is an unshaped refractory, according to the development of refractory materials, using the diversity of refractory raw materials, we found that all refractory raw materials can be made into powder used to prepare refractory cement.

Ordinary refractory cement is made of refractory clinker powder with plastic clay as binder and plasticizer. Its strength is low at room temperature, but ceramic bonding at high temperature has high strength.

The chemical bonded refractory cement with hydraulic, gas or thermal binding material as the binding agent produces certain chemical reaction and hardening before the temperature of ceramic binding.

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High temperature refractory cement manufacturing according to the composition of different materials can be divided into: clay refractory clay, high aluminum refractory clay, silica refractory clay, magnesium refractory clay. Refractory clay can be divided into the following three types according to the different mixture:

1. It is a mixture of refractory fine aggregate and ceramic binder (plastic clay). The delivery state is dry and needs to be used after adding water. It is hardened by ceramic bonding at high temperature.

2. It is a mixture of a refractory aggregate and a hydraulic binder (cement) that ACTS as the main bonding agent. The delivery state is only dry, use after adding water, no need to heat when hardening.

3. Chemically bonded refractory clay is a mixture of refractory fine aggregate and chemical binder (inorganic, organic, organic). The delivery state can be either slurry or dry, hardened below the ceramic bonding temperature. According to the hardening temperature, the refractory clay can be divided into two types: gas hardness and thermal hardness. Gas-rigid fire-resistant mud is usually prepared with gas-rigid binder such as water glass. Thermosetting refractories are prepared by phosphoric acid or phosphate. After hardening, this kind of hot and hard refractory has not only higher strength at various temperatures, but also shrinkage, tight joints, strong corrosion resistance and other characteristics.

High temperature refractory cement sales

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High temperature refractory cement manufacturing can be divided into finished products and semi-finished products. The so-called finished refractory cement is in the production of raw materials, clinker in proportion to the good, when the site use only according to the standard water mixing can; Semi-finished or non-finished refractory cement is raw material and clinker is not mixed together, the site use, according to the composition of the different mud mix, and according to the provisions of water to stir evenly.

Low Cement Castable Factory

June 16, 2021January 6, 2020 by rsrefractorycastable

We are a low cement castable supplier, specializing in the production of a variety of high fire resistance, high strength, reliable quality of unshaped refractory. Low cement refractory castable is mainly used in metallurgical, petroleum, chemical, machinery and other industrial kilns.

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Low cement castable has a wide range of applications, mainly applicable to melting aluminum furnace, static furnace furnace wall, top, bottom, etc., can also be used for aluminum water bag, flow groove, smelting equipment and high temperature furnace lining and other parts.

This series of refractory castable has high fire resistance, excellent high temperature performance, high strength, high medium and high temperature strength, and has high quality characteristics such as anti-spalling and anti-scour.

The low cement refractory castable produced by RS group are composed of high strength aggregate, high temperature resistant powder materials and admixtures, which are composed of a variety of polymers, reducing the amount of cement and optimized grading design. This series of low cement castable supplier has the characteristics of minimum wear resistance loss, high temperature strength, arbitrary molding, strong integrity, simple construction process control, excellent construction performance and so on. And because of the addition of high polymer, the bond with the base concrete is firm, the economic benefit is remarkable.

Low cement castable advantage：

1. High strength, high wear resistance, shock resistance, erosion resistance and oil permeability resistance;
2. Good flame retardant, low water absorption, high and low temperature resistance;
3. Good durability and long service life;
4. Simple construction, quick operation and easy to grasp;
5. Good integrity, easy to repair, not easy to fall off;
6. Non-toxic, tasteless, green and environmentally friendly, no physical damage to the operator.

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We are a high quality refractories manufacturers, is low cement castable supplier, the production of a variety of refractory products exported to all over the world, has been customers praise and trust. We sincerely welcome customers who have refractory material requirements to contact us, we will give you a timely reply.