Terminology
| English comparison | illustrate |
| Wear | abration | The surface loss of the material is caused by the mechanical action of the moving solid. |
| Acid refractory | acid refractory | Usually refers to refractory materials with silica as the main component. It is easy to react with basic refractories, basic slag, high-aluminum refractories or alkali-containing compounds at high temperatures. |
| aggregate | aggregate/grain | The part of the particles in the refractory component usually refers to coarse particles. |
| Air-hardening refractory mud | air setting joining material | A joint material that is hardened by chemical bonding or water bonding at room temperature. |
| Alkaline resistance | alkali resistance | The ability of refractories to resist chemical damage in alkaline environments. |
| Antioxidants | anti-oxidant | Metal or other substances added to improve the oxidation resistance of carbon-containing refractories. |
| Apparent porosity | apparent porosity | The ratio of the volume of the open pores in the refractory to the total volume. |
| Binding agent | binder | A substance added to non-plastic granular or fibrous materials to give it workability and green strength or dry strength. |
| Swell | bloading | Refers to the permanent expansion of clay or refractory materials after heating. |
| Bulk density | bulk density | The ratio of the dry mass of the refractory to its total volume. |
| Calcined | calcination | A heat treatment of refractory raw materials to cause physical or chemical changes to eliminate volatile chemical binding components and volume changes. |
| Charring | carbonuization | The process of removing volatile components in refractory materials combined or impregnated with pitch, tar, resin, etc., and retaining carbon residue. |
| Closed stomata | closed porsity | The ratio of the volume of the closed pores in the refractory to the total volume, expressed as a percentage. |
| coating | coating | The smearable unshaped refractory material mixed with refractory aggregate and binder has a higher water content or other liquid content than the joint material. |
| Compressive strength at room temperature | cold compressive stength | The refractory material is pressurized under the specified conditions at room temperature, and the ultimate pressure per unit area before failure occurs. |
| Consistency | consistency | A measure of the flow performance of an unshaped refractory material under its own weight after adding water or other liquid binders. |
| Missing corner | corner defect | Damaged corners of shaped refractory products. The missing angle is represented by the sum of three sides. |
| erosion | corrosion | Surface corrosion caused by the chemical action of the external medium. |
| Molten cave | crater | The maximum diameter, minimum diameter and depth of the depression formed by melting the surface of the brick can be measured. |
| Creep | creep in compression | Refractory materials undergo isothermal deformation over time under certain stress. |
| Dense shaped refractory products | dense shaped refractory product | Refractory products with specific dimensions with a true porosity of less than 45%. |
| Dolomite clinker | doloma | Natural or artificially synthesized carbonate or hydroxide segments of magnesium and calcium later form a dense and uniform mixture of calcium oxide and magnesium oxide. |
| Dry mix | dry vbratable refractory | Adopt unshaped refractory materials that can be constructed in a dry state by vibration or ramming. |
| Flash | fin | The part of the thin layer beyond the edge of the shaped article. |
| powder | fines | The fine particles in the refractory ingredients. |
| Clay refractory | fireclay refractory | The alumina content (mass fraction) is greater than or equal to 30%, and less than 45% of the refractory mainly composed of aluminosilicate. |
| Firing | firing | The heat treatment for sintering the shaped product. |
| Green strength | green strength | The mechanical strength of the refractory body without drying after forming. |
| injection | gunning | A construction method in which compressed air or other mechanical means is used to project the spray material onto a hot surface or a cold surface. |
| High alumina refractory material | high alumina refractory | A refractory material with alumina content (mass fraction) greater than or equal to 45%, with alumina and (or) aluminosilicate as the main components. |
| Hydration | hydration tendency | At room temperature, a combination of solidification and hardening is produced by a chemical reaction between a certain fine powder and water. |
| Insulation refractory material | insulating refractory | Refractory material with low thermal conductivity and low heat capacity. |
| Low-alumina clay refractories | low alumina fireclay refractory | The silica content (mass fraction) is less than 85%, and the alumina content (mass fraction) is 10% to 30%. It is a refractory composed of aluminosilicate and silica. |
| Low cement castable | low cement castable | A deflocculating castable with a calcium oxide content (mass fraction) of 1.0%~2.5% brought in by cement. |
| Magnesia | magnesia | Natural or synthetic magnesia carbonate or magnesium hydroxide is calcined to produce a dead-burned refractory magnesia raw material. |
| Magnesia refractory material | magnesia refractory | Refractory materials with magnesium oxide content (mass fraction) greater than 80%. |
| Breathability | permeability | The property of a refractory material to allow gas to pass under a certain pressure difference, usually expressed in terms of air permeability. |
| Heating permanent line change | permanent change in dimensions on heating | The refractory material is heated to a specified temperature without external force, and kept for a certain period of time. After cooling to normal temperature, the residual linear expansion or contraction. |
| Refractory plastic | plastic refractory | It is composed of aggregate, fine powder, binder and liquid. It has good working performance. It is heated and hardened after construction. It is an unshaped refractory used directly according to the delivery state. |
| Prefab | pre-formed shaped | In order to facilitate direct masonry, the unshaped refractory is poured or molded into a certain shape and pretreated product. |
| Beat | ramming | The construction method of forming the unshaped refractory material by repeated impacts. |
| Ramming material | ram mix | It is composed of aggregate, fine powder, binder and necessary liquid. It has no adhesion before use and is an unshaped refractory constructed by ramming method. |
| Refractory castable | refractory castable | A non-adhesive mixture composed of aggregate, fine powder and binder. It is usually delivered in a dry state, and can be poured into construction after adding water or other liquids. |
| Refractoriness | refractory iness | Refractories have the property of resisting high temperatures without melting under no load. |
| Load softening temperature | refractoiness under load RUL | The temperature at which the refractory material undergoes a specified deformation under a specified temperature rise under a constant load. |
| Acid resistance | resistance to acid | The ability of refractory materials to resist acid attack. It is usually expressed as the percentage of mass loss of the material after corrosion in the specified acid. |
| Tensile Strength | tensile strength | The maximum tensile stress that refractory ceramic fiber products and other refractory products can withstand before breaking. |
| Thermal expansion coefficient | thermal expansion coefficient | The relative change rate of the length of the sample for every 1°C increase in temperature from room temperature to experimental temperature. |
| Thermal shock resistance | thermal shock resistance | The ability of refractory materials to resist sudden changes in temperature without being damaged. |
| True density | true density | The ratio of the mass of a solid in a refractory to its true volume. |
| Ultra-low cement castable | ultra low cement castable | The deflocculating castable with the calcium oxide content (mass fraction) 0.2∽1.0% brought in by the cement |
| Unshaped refractory | unshaped refractory | The mixture composed of aggregate, fine powder, binder and additives is used directly in the delivery state, or used after one or more suitable liquids that do not affect its refractoriness. |
| distortion | warpage | The deviation of the product plane from the base plane. |