$Raw Materials for Low Cement Castable Refractory Materials for Furnace System 1$

$Raw Materials for Low Cement Castable Refractory Materials for Furnace$

$Raw Materials for Low Cement Castable Refractory Materials for Furnace System 1$

Raw Materials for Low Cement Castable Refractory Materials for Furnace

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Specifications

Castable Refractory Materials
1.can be used for the number of 800-1200
2.Easy to operate
3.Superior property
4.ISO9001:2001

Description of Castable Refractory Materials

Castable for ladle is bagged particle, ash grey. It is used as lining material for ladle with the property of high refractoriness, long service life, reduction of materials and manual operation.

Features of Castable Refractory Materials

♦Easy to operate: times and labor saving, shorten the work time, reduce work strength of workers.

♦Superior property: resistant to scour and erosion of molten iron slag, good thermal shock resistance, non-stick of iron slag, tiny linear variation, no cracking, and easy to break up.

♦Extend service life: high technical content, good property in using.

♦ Long service life: can be used for the number of 800-1200

Technical Parameters of Castable Refractory Materials

Physical and Chemical Index
Designation		JNJ-H	JNJ-Q
Main Chemical Component(%)	Al2O3	45~55	80~85
Main Chemical Component(%)	SiC+C	12~44	——
Volume Density (g/cm³)	110°C×24h	2.64~2.78	2.64~2.78
Volume Density (g/cm³)	1450°C×3h	2.60~2.72	2.60~2.72
Linear Variation Rate (%)	110°C×24h	-0.03~0.01	-0.01~0
Linear Variation Rate (%)	1450°C×3h	-0.01~0.02	+0.02~+0.03
Fracture Resistance(Mpa)	110°C×24h	4.0~5.10	4.0~5.1
Fracture Resistance(Mpa)	1450°C×3h	7.2~8.7	7.2~8.7
Pressure Resistance (Mpa)	110°C×24h	20~26	20~26
Pressure Resistance (Mpa)	1450°C×3h	36~46	36~46

Application of Castable Refractory Materials

Applied to the make of ladle lining mass in ductile cast iron, gray cast iron and other metallurgical material.

Packaging&Shipping

Packaging Details	1.)plastic ton bags 2.)cartob box with wooden pallet 3.)according to customer's requirement.
Delivery Detail	within 15 -20days after your payment

Our Services

♣ Industry and trade integration business

♣ Customize size are welcome,OEM,ODM acceptable

♣ Promptly delivery and best technical service can be offered to you.

♣ The best price with good quality

♣ We offer a good after-sales service

FACTORY:

$Low Cement Castable Refractory Materials For Furnace$

Q:What's the poured refractory material?: According to its category, raw material of basic refractory: Mainly magnesite (magnesia), dolomite, lime, olivine, serpentine, high alumina material (sometimes neutral); main neutral raw material: chromite, graphite, silicon carbide (artificial).

Q:The performance of refractory material: As for easticity modulus, you can serach for information on the Internet or specialized books.

Q:What antioxidant will be used in refractories?: Specifically speaking, it is an antioxidant used in carbon refractory products, which belongs to the fire resistant technology. A kind of refractory used antioxidants, formula proportion is as follows calculated by weight percentage: aluminium zinc alloy 1 ~ 100, conventional antioxidants in 0 ~ 100. Described in the aluminum zinc alloy element of aluminum content is 3% ~ 3%, the rest is zinc. Described aluminium zinc alloy is powder or fibrous long; The biggest size and long fiber powder makeup of maximum diameter is 0.2 mm. Preparation of the present invention contains aluminum zinc alloy antioxidants can prevent carbon oxidation temperature range is big, less side effects, and can adjust the thermal expansion of refractory. Hope I can help you.

Q:What kind of foundry ingot refractory materials are there? Please be more detailed.: This question is a little bit extensive, because there are too much foundry ingot refractory materials.

Q:Refractory material, refractory brick: High alumina brick is commonly used in high aluminum, LZ-75, LZ-65 and LZ-55, as well as high alumina brick for blast furnace, high alumina brick for hot blast furnace, and low creep high alumina brick

Q:Are there any differences between insulation and refractory materials ?: Refractory materials can resist more than 1200 degrees, some of which are not insulation materials, such as firebricks, which can directly contact with heat source, has little insulation effect. Ceramic fiber, high silica, etc. are all refractory materials which can insulate. Insulation materials with poor performance usually is lower than 800 degrees, which have large thermal resistance, and low thermal conductivity, high porosity. Thus they reduce the thermal loss. To put it simply, insulation materials store most of the heat and only let a small part of heat lose through the air, thus the heat has been isolated. Glass fiber, rock wool, flexible material for thermal insulation, etc.

Q:What are the components of refractory clay?: It is different from non-cement castable refractories, which does not rely on the addition of cement for combination, instead it uses chemical binder. It is refractory castable (also known as chemical bonding castable). Non-cement refractory castable takes oxide or synthetic compound ultra-fine powder or oxide sol-gel which is similar to the chemical composition of material in tungsten castable. Since the use of superfine powder or sol as binder, it has low impurity content, and therefore the refractoriness and slag erosion resistance of the castable will not be reduced. Besides, the self combination in use can help to improve high-temperature structural strength. Non-cement castable refractory is made up of refractory aggregate and powder, superfine powder of oxide or sol, trace amount of dispergator (or anti-coagulant) and proper slow acting hardener. Non-cement castable is mainly coagulated and combinated by ultrafine powder of oxide or sol, therefore, it has certain requirements for ultrafine and sol. Ultrafine powder used refers to less than 1 / zm particles. Ultrafine powder used in non-cement castables are SiO2, Al2O3, Cr2zrOz, etc. SiO micro powder is often adopted, which is the dust recycled during the smelting of metallic silicon, ferro-silicon alloy, the generation process is as follows: This recycled SiO2 powder has an average particle diameter of 0.5 pM, and it is spherical with large surface area. It is amorphous substance with high activity, so it has good bonding strength. The sol used are mainly alumina oxide and silica sol. Silica sol is made by ion exchange of sodium silicate after Na ions are removed. It can also be made after hydrolysis of ethyl silicate. There are several ways of preparing alumina sol, the easiest method is to prepare by the reaction of metallic aluminum or alchlor with hydrochloric acid.

Q:what is the material of fixed first rate fire resistant window?: Window frames and fireproofing glass, fire sealing strip, fireproofing glass mound layer, which is infexible fan, and the flexible fans have to plus folding and closing window cleaner. (3) window frames must be integral with the building, using wood or iron to connect the wall. After the installation of the steel frame, the cement mortar must be watered between the window frame and the wall, and it should conserve more than 24 hours before normal use.

Q:What are the fire endurance requirements of class A fire resistant door ?: Fire endurance of class A fire resistant door is 1.5h. According to the latest fire door requirements, in FMA FMB FMC three forms, A, B and C represent categories, such as FMA on behalf of Class A fire doors (ie thermal insulation fireproof door). Fire endurances of class A,B and C fire doors are 0.5 1.0 1.5 2.0 3.0. Therefore, the fire resistance of fire door needs to be designed and the design paper will make it clear in general.

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