$Raw Materials for Refractory Insulation Low Cement Refractory Castable for Rotary Kiln System 1$

$Raw Materials for Refractory Insulation Low Cement Refractory Castable for Rotary Kiln$

$Raw Materials for Refractory Insulation Low Cement Refractory Castable for Rotary Kiln System 1$

Raw Materials for Refractory Insulation Low Cement Refractory Castable for Rotary Kiln

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Specifications

1.Low Cement Refractory Castable
2.Refractory Castable Manufacturer
3.high temperature
4.Long service life
5.ISO

Description:
High strength wear resistant castable is mixed by corundum,high-quality bauxite clinker,silicon carbide as aggregate,all kinds of powder,ultra-fine powder,micropowder,alumina powder and additives as admixture with strict mixture ratios according to different varieties.its main characters are:high strength in normal and medium temperature,wear resistance and erosion resistance,thermal shock stability,etc.it is mainly used in the position of coal-fired circulating fluidized bed boilers,waster incineration furnace,lining of fluid-bed furnace etc,where are seriously abraded.

Competitive Advantage:
1.Best price, make the products competitive in your market
2.Abundant Experience.
3.Strict Quality Control. Meet clients'quality requirement.
4.Large stocks. Guarantee prompt delivery.
5.Safty packing,prompt delivery time,and excellent after-sales services.
6.Professional Packing. Avoid damage and secure the goods in transportation

Technical data:

Item	Index	Brand
Item	Index	HSC-80	HSC-75	HSC-65	HSC-60
Chemical composition%	Al2O3	≥80	≥75	≥65	≥60
Chemical composition%	SiO2	≤15	≤19	≤28	≤34
Bulk density g/cm3	110°C*24h	≥3.0	≥2.8	≥2.5	≥2.4
Bulk density g/cm3	1000°C*3h	≥2.9	≥2.8	≥2.5	≥2.4
Modulus of repture Mpa	110°C*24h	≥12	≥10	≥8.5	≥7.0
Modulus of repture Mpa	1000°C*3h	≥18	≥15	≥13	≥11
Cold crushing strength MPA	110°C*24h	≥120	≥90	≥68	≥50
Cold crushing strength MPA	1000°C*3h	≥180	≥120	≥95	≥80
Linear change after burning%	1000°C*3h	±0.2	±0.2	±0.3	±0.3
Wear resistance(ASTMc-704) cm3		≤3.0	≤5.0	≤7.0	≤9.0
Heat conductivity coefficient W/m.k		1.6	1.5	1.5	1.5
Thermal shock resistance(times)(1000°C water cooling		≥35	≥30	≥25	≥20
Refractoriness °C		≥1790	≥1790	≥1750	≥1730
Max working temperature °C		≥1550	≥1500	≥1400	≥1350

FACTORY:

$Insulation Low Cement Refractory Castable For Rotary Kiln$

Q: Technical scheme of refractory for refuse incinerator: Refractory technical index1. Physical and chemical indexes of graphite brickThe volume density (g/m3 = 1.6)The compressive strength (Mpa = 23)Apparent porosity is less than 21Ash% less than or equal to 0.5The thermal conductivity at room temperature (W/M.K = 45)200 c = 43600 C = 40800 C = 352, N-4 clay brick physical and chemical indexesRefractoriness 1690Load softening temperature of more than 1300 startThe change of reheating line is%1350 DEG C * 2H - 0.5 to +0.2Apparent porosity is less than 24The compressive strength (Mpa = 20)

Q: who knows the fire resistant levels of fireproofing glass?: Fireproofing glass is a kind of special glass which can keep its integrity and thermal insulation performance in regular insulating refractory trials. and it can be divided into three classes according to its fire resistance: Class A, it's a kind of fireproofing glass that can satisfy the requirements of refractory integrity, refractory and thermal insulation at the same time. This kind of glass has the properiyies of transmittance, fireproofing ( smoke insulation, fireproofing, and keeping out thermal radiation), sound insulation, shock resistance, and it's suitable for steel and wooden fire door of building decoration, windows, varnishing, partition walldaylighting?roof,ceiling?screen,perspective floor and other construction components demading for transparency and fireproofing. Class B, it's a kind of fireproofing glass that can satisfy the requirements of refractory integrity, refractory and thermal insulation at the same time. Such kind of fireproofing glasses mostly are composite fireproofing glasses and has characteristics of transmittance,fireproofing and smoke insulation. Class C, it's a kind of fireproofing glass that only satisfies the requirements of refractory integrity. This kind of glass has characteristics of transmittance, fireproofing, smoke insulation and high strength,etc. It's suitable for fireproofing glass partition wall, fire Windows, outside curtain wall and other places without insulation requirements. Classify from the structure,fireproofing glass can be divided into composite fireproofing glass and monolithic fireproofing glass.

Q: How can refractory materials be divided?: There are many criteria for the classification of refractories.Just referring to a book about refractory.

Q: Is fireclay poisonous?: Refractory materials are typically oxides, alumina, magnesium oxide and aluminate cement and etc, which are non-toxic.

Q: I want to consult the fire resistant level standards of external wall thermal insulation materials.: 1, The thermal insulation material that has level A combustion performance: Spraying inorganic fiber, glass wool, foam glass, ceramic foam, rock wool, foam cement and perlite obturator, and so on. 2, The thermal insulation material that has level B1 combustion performance: Special processed extruded polystyrene board (XPS) / special processed polyurethane (PU), phenolic and polystyrene powder. 3, Thermal insulation materials that have level B2 combustion performance: Molded polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc. See article 4.3.6 in the 2009 edition construction technical measures. Level A insulation material is just for fire protection, so its thermal insulation performance is worse than the organic XPS or EPS materials. Hope this will help you.

Q: Who knows the classifications of magnesia refractory?: They can be devided into two major categories of fettling magnesite grain and magnesite products. They can be divided into fettling magnesite grain, magnesia?brick, magnesia-silica brick, magnesia-alumina brick, magnesium-calcium brick, magnesia-carbon brick and other varieties according to the chemical compositions and purposes Its performance is greatly affected by CaO / SiO2 ratio and impurities. The load softening point and thermal shock resistance of high purity magnesia brick are much higher than those of the general magnesia bricks. It has high refractoriness and good resistance for alkaline slag and iron slag, which is an important kind of advanced refractory material. Magnesia products are mainly produced by sintering, and sintering temperature is generally between 1500 ~ 1800 ℃. Besides, chemical binder can be added to make unburned?bricks and unshaped refractories. Mainly used in open hearth furnace, electric furnace, oxidation converter, non-ferrous metal metallurgy furnace, cement kiln and calcining kiln for basic refractory.

Q: What type of firebrick does TZ-3 represent?: It is the standard brick.

Q: It the Special Fire-Proof Material belonged to ceramics? Is there a national standard of the Special Fire-Proof Material?: The fiber and reinforcing material of the metal ceramic is also belonged to the Special Fire-Proof Material. ~~~~GB is too much trouble, GB online should ~~~ Lei Bao Refractories for you. The high temperature inorganic coating. 5. The refractory compound. 3. The high melting point oxide. You can search it on the internet according to the classification~~~~ The special refractories can be divided into five categories: 1. metal ceramic

Q: how to classify the fireproofing material levels A1 A2 B1?: their classification is shown specifically in Fireproof? Specification of Building Interior Decoration?Design GB 50222-95 appendix A, flammability,inflammability materials, flame retardency, noninflammability: combustion performance of A, B3, B2, B1 materials are divided into

Q: Does anyone know the fire endurance of steel stud partition?: Indeed ① Dragon Brand gypsum board fire-resistant partition: Its fireproofing extreme time is 4 hours, suitable for firewalls of a variety of public buildings, public exit passageway and other partitions, which meets the first level of fire protection standard ② fireproofing and pressure-resistant partition: Refers to the partition which can withstand momentary gas shocks of over 1200pa , mianly used for the room partition with inert gas fire-fighting needs, such as equipment rooms. The pressure-resistant degree of fireproofing and pressure-resistant partition of Beixin Building Materials can be up to 4800Pa, especially suitable for high-rise fireproofing.

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