Our expertise in refractory products coupled with our knowledgeable vendors ensures you'll receive the best guidance when selecting refractory materials for your project. Whether you need castable refractory cement, refractory mortar, or anything else, …
The materials are grouped in oxidic or non-oxidic refractory materials. Oxidic materials are mostly based on SiO 2, Al 2 O 3, MgO, CaO, ZrO 2 and Cr 2 O 3. The most important non-oxidic refractory materials are carbon or carbides and nitrides for special applications. The materials are distinguished in: unshaped products (e.g. refractory castables)
Acidic Refractory or acid refractory is a kind of refractory material with silica as its main component. Acidic refractory can resist acid slag erosion, but it can easily react to alkaline slag erosion at high temperature environment. Acidic refractory is widely used for coke oven, open hearth regenerator and furnace roof, refractory firing ...
Sep 01, 2004· Refractory materials must be disposed of or recycled when removed from service. Off-specification or reject material has been reused by the refractory industry for a number of years, with small percentages of these materials added as a part of …
Oct 03, 2013· Refractory material must maintain dimensional stability under extreme temperatures (including repeated thermal cycling) and constant corrosion from hot liquid and gases. In the creep test, specimen of 50 mm diameter and 50 mm height with an internal bore for the measuring rod is heated at constant rate and under a given load (generally at 0.2 N ...
Plastic refractory is a refractory material having plasticity. silica insulation bricks based on silicon ore as the main raw material of insulating refractory products. The silica brick can be widely used in coke oven, hot blast furnace, glass furnce and carbon furnace.
General-purpose castable refractory cement. Ideal for furnace linings and pouring special shapes. Refractory Mortar. High in alumina, this mortar can be used for coasting and patching materials with negligible shrinking. Firebricks. These lightweight, low density and porous firebricks are suitable for many applications. Insulation Fiber Blankets.
Refractory Material in Los Angeles on YP.com. See reviews, photos, directions, phone numbers and more for the best Refractories in Los Angeles, CA.
Refractory Engineers, Inc. (REI), in business since 1962, distributes high quality refractory materials and high temperature consumable products through the Midwest. Ceramic Fiber.
Refractory chamber constructed of insulating materials to retain heat at high operating temperatures. Hearth to support or carry the steel, which consists of refractory materials supported by a steel structure, part of which is water-cooled. Burners that use liquid or gaseous fuels to raise and maintain the temperature in the chamber.
The International Journal of Refractory Metals and Hard Materials (IJRMHM) publishes original research articles concerned with all aspects of refractory metals and hard materials. Refractory metals are defined as metals with melting points higher than 1800 °C. …
Refractory materials. Refractory materials must be chemically and physically stable at high temperatures. Depending on the operating environment, they need to be resistant to thermal shock, be chemically inert, and/or have specific ranges of thermal conductivity and of …
Refractory Properties. Refractory properties are broken into mechanical physical properties and high-temperature properties. Typically, refractory materials are characterized by density, strength, and response to heat treatment. Certain physical properties are also measured and recorded during manufacture and serve as a basis for quality control.
refractory is produced by using naturally occurring materials like quartz, magnesite, dolomite, chromite, bauxite etc. A general flow sheet is given in the following to illustrate the various steps and their functions.
Refractory shapes include precast cement and fused or sintered refractory products that are formed prior to installation in furnaces, boilers or other high temperature equipment. Refractories are hard, heat resistant materials and products such as alumina, silicon carbide, fire clay, bricks, precast shapes, cement or monolithics and ceramic ...
Most designs incorporate a combination of Hardbrick fire bricks, IFB : Insulating firebricks and other materials. A typical design may be essentially a soft brick box with hard brick protecting the floor. Other people use the castable refractory mortar and pour that into a form to create the hot box. Find what you need below and order today.
The refractory materials commonly characterized by their physical properties. 1. Bulk density It is a general indication of product quality. The ratio of weight to the volume; measured in g/cm3.
Vitcas is a manufacturer of refractories, heat resistant products and high temperature insulation materials which follows the tradition of refractory and heat resistant manufacturing in Bristol, UK, since 1882. Our products include fire cement, fire bricks, refractory setting cements/mortars, plastic mouldables refractories, zircon refractory products, acid resistant cements and refractory ...
Oct 31, 2016· Refractory materials used for all kinds of high temperature equipment, it is the high temperature condition of the physical and chemical erosion and mechanical damage, so the performance of refractory materials shall meet the following requirements: High refractoriness. Modern metallurgical furnace and other industrial kiln's heating ...
FibreCast is a one-stop-shop for all of your refractories and refractory materials. Our innovation does not end at blanket and vacuum forming, but instead extends into hardware, anchors, and more. We are always developing refractory anchoring techniques that save time, add value, and improve the effectiveness of refractory materials as a whole.
4. Tungsten (3400 ℃). Tungsten takes the 4th spot in our list of the materials with the highest melting point.. Tungsten is a steel-gray or silver-white metal with high hardness, high melting point, and resistance to air erosion at room temperature. As a refractory metal (generally, the melting point is higher than 1650℃) with the highest melting point, it has good high-temperature strength.
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Specialty refractory materials are the exception and not the norm in the boiler industry. To simplify, in the boiler industry for non-specialty areas, there are 3 basic or conventional types of refractory: dense, medium, and lightweight. Dense refractory materials have a density greater than 160#/cf and are used around access doors or burner ...
Refractory products generally fall into one of two broad categories: preformed shapes or unformed compositions, often called specialty or monolithic refractories. Then, there are refractory ceramic fibers, which resemble residential insulation, but insulate at much higher temperatures.
Refractory metals are extracted from ore concentrates, processed into chemicals and then into powders. The powders are consolidated into finished products or mill shapes and ingots for further processing. Because of their high melting points and ease of oxidation, refractory metals are usually worked in …
Two other types of refractory processes also warrant discussion. The first is production of fused products. This process involves using an electric arc furnace to melt the refractory raw materials, then pouring the melted materials into sand-forming molds. Another type …
RS Refractory – A Professional Refractory Materials For Sale Manufacturer. Rongsheng Refractory insists on pursuing the management idea of "honest, courtesy, innovation and profession" as the purpose, taking the "lower price for better quality" as the foundation of enterprise development to provide customers with all types of refractory materials like high alumina, fireclay brick ...
Refractory Products. Refractory Engineers, Inc. (REI) distributes high temperature consumable products for manufacturers from around the world. From products like ceramic fiber insulation, refractory castable, and refractory brick to heating elements, thermocouples, and graphite products, REI is a one stop shop for all high temperature related products.
Refractory Materials The purpose of a refractory material is to withstand the high temperatures required in furnaces, kilns, incinerators, power plants etc without contaminating other materials and to conserve heat in the area where it is needed.
Refractory metals are a class of metals that are extraordinarily resistant to heat and wear.The expression is mostly used in the context of materials science, metallurgy and engineering.The definition of which elements belong to this group differs. The most common definition includes five elements: two of the fifth period (niobium and molybdenum) and three of the sixth period (tantalum ...
Silica Refractory: Silica refractory products consist of 93% silica. They are the most widely used high-temperature refractory bricks. They are acidic refractories, they resist acidic slag attack but attacked by basic slags. Depending on the final we can two final products. If the final temperature is 1430 C the product is tridymite.
T he company sells the products are refractory and refractory materials ;boron carbide and carbon corundum; high-alumina refractory bricks, magnesite brick, silica brick, clay firebrick ; as well as refractory cement, refractory castable and unshaped refractory products. Refractories production line using the most advanced and environmentally ...
"Refractory metals" is one of those colloquial terms used to group materials with extremely high melting points. Refractory metals share several features with each other, depending on the user's definition. Refractory metals are the metallic elements with the highest melting point, high …
Refractory raw materials include products such as alumina ceramics, fire clay, bricks, pre-cast shapes, aluminate cement, and monolithics. Monolithic refractories are liners fabricated without joints by ramming, gunning, or casting refractory cements in place. Types. There are many types of refractory cements and raw materials.
Castable Refractory is a sort of amorphous high temperature unshaped refractory material, dry refractory mix. It is also called refractory castable, which is a kind of mixture of granular and powdery material made of a certain amount of binder with refractory materials, and has a high fluidity.Castables are amorphous refractory formed by casting, They are flexible and adaptable for the ...
Oct 26, 2015· Monolithic refractory, the name generally given to all unshaped refractory products, are materials installed as some form of suspension that ultimately harden to form a solid mass.