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  • (PDF) High-performance refractory castables

    This International Standard specifies a method for the chemical analysis of refractory and technical ceramic raw materials, intermediates and products, by means of the X-ray fluorescence (XRF) fused cast-bead method. Typical materials that can be analysed by this standard are given in Clause 3. This International Standard is not …

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  • How To Make Refractory Castable - Rongsheng

    2012-7-1 · Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX) and X-ray diffractometry (XRD) were used to characterize the castables. It was found that all three refractory castables had strong slag penetration resistance and that the tabular alumina-based refractory castable had the largest …

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  • ISO 12677:2011(en), Chemical analysis of

    Refractory Cement CA70 Refractory Cement CA50 As 18 years refractory manufacturer, we provide all kinds of refractory such as high alumina bricks, fire clay bricks, insulating bricks, magnesia bricks, silica bricks, refractory castables, refractory balls for your kiln.

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  • The physical and mechanical properties of

    The dependence of castable hardness and cold crushing strength (CCS) upon the temperature According to the X-ray analysis of the inner and outer sides of exploited castable plate the following phases were identified: CA, C 12A 7, C 3AH 6 and C 4AcH 11 – calcium carboaluminate hydrate (3CaO·Al 2O 3·CaCO 3·11H 2O). This

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  • Refractory Castable-Kerui Refractory

    2018-5-17 · mullite-based castable exhibits lower RuL, even though overall alumina content of the two mixes is quite similar. In an andalusite-based LCC, the mullitization process is mostly complete after firing for 5 hours, at 1500°C. If you look at the contact between the castable matrix and andalusite grains, at higher magnification

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  • Carbonation of Alumina Cement-bonded Conventional

    The role of coated graphite on improved densification behavior of refractory was explored by microstructure and phase assemblage studies of the respective fired castable.

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  • Andalusite-based raw materials for refractory castable ...

    Refractory castables are combinations of refractory aggregates, matrix component, bonding agent, and admixtures [1]. Easy production of refractory castables along with cheap installation and similar performance to shaped products are the reasons for the growing market of monolithic refractories, at the expense of traditional bricks.

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  • Phase composition of bauxite-based refractory

    2013-12-24 · Castables (ULCC). The cordierite phase in refractory mix can be obtained using raw materials with magnesium oxide in its composi-tion, such as, Mg(OH) 2 or H 2Mg 3(SiO 3) 4 (Talc mineral), with a content of 63.5% SiO 2, 31.7% MgO and 4.8% H 2O. In this investiga-tion, as magnesium source, a commercial …

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  • Refractory Material Testing - Lab Testing Services

    2020-3-5 · Refractory materials are basically inorganic non-metallic substances. Refractory Material Testing ... (Scanning Electron Microscopy/Energy Dispersive X-ray Analysis) ... in determining the relative abrasion resistance of refractory bricks at room temperature and can also be applied to castable refractories. The test result …

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  • Microstructure and refractory properties of spinel ...

    2010-7-1 · The refractory castable samples were characterized using X-ray diffraction (XRD) analysis and scanning electron microscopy (SEM). The permanent linear change (PLC) was measured in terms of expansion or contraction percentage after firing the cubic castable specimens at 1550. °C for 2 h.. RUL test was carried …

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  • Andalusite-based raw materials for refractory castable ...

    2018-5-17 · refractory castable systems requires very high working temperature, and long residence/firing time…which are rarely achievable during the normal application end use. Recent x-ray diffraction testing has suggested that (approximately) only half of the sillimanite (milled to a

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  • NON-CemeNt refraCtOry CaStableS CONtaiNiNg

    2016-4-1 · pumpable refractory products have been developed based on a patented sol-gel bonding nanotechnology containing no CAC. Nano-silica is one of the most popular binders for refractory, monolithic and castable applications. Nano-silica sol or colloidal silica is a stable water-based suspension, containing up to 40 wt.% of …

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  • Maximum working temperature of refractory

    Thus, this study addresses the evaluation of different refractory castable systems, focusing on analyzing calcined (fired up to 600 °C for 5 h for the decomposition of the hydrated phases) or pre ...

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  • Refractory Castables, High Alumina Refractory

    Refractory Castables. Lanexis is a dedicated manufacturer and supplier of high quality Refractory Castables, Castable Refractory Cement, Insulating Castables, Low Cement Castables, high temperature castable refractory cement that is widely used in the chemical industry, steel industry, glass industry, sugar plants and various other industries. Our Refractory Castables …

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  • Binders for Refractory Castables: An Overview |

    2020-9-11 · When alumina cement is used in a refractory castable and at the same is mixed with water at the application site, hydrated phases are formed, and they provide strength at low temperatures. The two major hydrated phases, namely CAH 10 and C 2 AH 8, are metastable in nature and convert to stable C 3 AH 6 phase …

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  • Calcium Aluminate Cement and Refractory

    Monocalcium aluminate and calcium dialuminate were prepared by heating different mixes of CaO and Al2O3, at 1400° and 1600°C respectively, evidence of which was found by X-ray diffraction study.

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  • (PDF) High-alumina phosphate-bonded refractory

    2018-6-18 · Castable refractory nickel alloys VZhL12U, ZhS6U, ZhS6F [1,2,3,4,5], IN100, MAR-M200, MAR-M246, TRW-NASA VIA [6,7,8] developed in the 1965 – 1970 still remain the main materials fabricated by the method of equiaxed crystallization for polycrystalline blades of aircraft engine gas turbines.These alloys have a …

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  • Refractory Castables for Civil Use: Main Properties ...

    2017-1-23 · Fig. 2. Castable A after the flow test 2.3. Chemical and mineralogical composition Table 5 shows the chemical composition of the three materials, determined by X-ray fluorescence and weight loss at 950ºC and table 6 presents the mineralogical phases identified by X-ray diffraction.

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  • Testing > Refractory

    Standard Test Method for Determining the Consistency of Refractory Castable Using the Ball-In-Hand Test. ASTM C862. Standard Practice for Preparing Refractory Concrete Specimens by Casting. ASTM C863. ... X-ray Diffraction Analysis. View Products by Category: ...

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  • Castable refractory systems - Alcan International

    1997-11-28 · To determine the amount of mullite present, refractory pieces were analyzed by X-ray diffraction and the ratio of the mullite peak area (121 plane) versus the alumina peak area (113 plane) was determined. It will be seen that, in general, the NCC formulation has good properties in relation to the LCC formulation.

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  • Alumina-Carbon Refractory Castables Containing

    2021-7-20 · The densification behaviour of graphite-free and graphite-containing castable matrices has been characterized too by their thermal and thermomechanical characteristics up to 1500 °C. The role of coated graphite on improved performance of the refractory ceramics was explored by thermogravimetry, X-ray diffraction, …

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  • how to make castable refractory cement

    2020-12-12 · We can customize products with different physical and chemical indexes according to different needs.The production of castable refractory cement is mainly the reasonable choice of particle gradation, in combination with ultrafine powder and reasonable preparation of additives into castable refractory cement.The castable refractory …

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  • Refractory Castables, Castable, Insulating,

    The castable refractory material comprising as binders, per 100 parts by weight of solid components, (a) 10-30 parts by weight of water-inactive, fine refractory powder, which is a mixture of fine refractory powder having an average diameter of 0.2-0.6 μm and fine refractory powder having an average diameter of 1-10 μm at …

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  • Castable refractory material - Taiko Refractories

    2013-12-13 · Low cement castable – a castable containing calcium oxide greater than 1% and maximum of 2.5% on a calcined basis. 3. Ultra low cement – a castable containing calcium oxide greater than 0.2% and maximum of 1% on a calcined basis. 4. No cement castable – a castable containing calcium maximum of 0.2% on a …

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  • Low Cement High Alumina Castables: Effect of

    2006-1-15 · @article{osti_20727572, title = {Understanding refractory failures}, author = {Bases, G J}, abstractNote = {Compared to most pieces of a power plant, refractory costs very little to install. Yet, if improperly manufactured, specified, stored, mixed installed, cured, or dried, refractory may cause problems that can …

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  • Understanding refractory failures (Journal Article)

    Castable 2 is sensitive to IPA, so it's important never to leave printed parts in IPA for more than a few seconds at a time. After your print is complete, remove the model from the build platform but do not soak in an IPA bath. Use a squirt bottle to rinse the part with IPA or swirl the part around in an alcohol bath for a couple of seconds.

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  • Alumina-Carbon Refractory Castables Containing

    2021-7-20 · The densification behaviour of graphite-free and graphite-containing castable matrices has been characterized too by their thermal and thermomechanical characteristics up to 1500 °C. The role of coated graphite on improved performance of the refractory ceramics was explored by thermogravimetry, X-ray diffraction, …

    Get Price
  • Refractory > ASTM C860

    COPYRIGHT NOTICE. Extracted, with permission, from ASTM C860 Standard Test Method for Determining the Consistency of Refractory Castable Using the Ball-In-Hand Test, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the standard may be purchased from ASTM …

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  • Using a novel technique to shape a refractory

    Calcium aluminate cements are the most hydraulically setting cements used for refractory castables. The anhydrous phases of this type of cements incorporate CA, CA2 and traces of C12A7 and alpha-alumina where C and A stand for CaO and Al2O3, respectively. Hydration starts to form the hexagonal crystals of CAH10 (H …

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  • Castable refractory systems - Alcan International

    1997-11-28 · To determine the amount of mullite present, refractory pieces were analyzed by X-ray diffraction and the ratio of the mullite peak area (121 plane) versus the alumina peak area (113 plane) was determined. It will be seen that, in general, the NCC formulation has good properties in relation to the LCC formulation.

    Get Price
  • Refractory Castable Manufacturer, Supplier,

    Refractory Castable are the refractory cements used to make kilns as well as furnaces. Offered are the packaged materials included with graded aggregates and suitably proportioned binders of many desired properties. They will make refractory concrete after they get blended with water. Offered are the materials of high …

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  • NON-CemeNt refraCtOry CaStableS CONtaiNiNg

    2009-12-11 · pumpable refractory products have been developed based on a patented sol-gel bonding nanotechnology containing no CAC. Nano-silica is one of the most popular binders for refractory, monolithic and castable applications. Nano-silica sol or colloidal silica is a stable water-based suspension, containing up to 40 …

    Get Price
  • Monolithic Refractory

    2013-4-24 · Castable Plibrico Plastic Refractory Plisulate Insulating Ceramic Fibers 4.2013. 6 7 1 PLASTIC REFRACTORIES/PATCHING REFRACTORIES/HIGH STRENGTH CASTABLE REFRACTORIES/PUMPING CASTABLE ITEM T C ( LO PRODUCT MAXIMUM SERVICE TEMPERA-TURE(℃) MINIMUM IM EB FOR FIRING SETTING H …

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  • THE EFFECT OF ADDITIVES ON THE PROPERTIES OF

    2016-4-1 · Thus, the refractory castable mix is in flocculation state, showing a thixotropic flow. Therefore, the dispersion of particles in the castable is an essential requirement to obtain castable associating high flow ability with low water content. Furthermore, particles dispersion inhibits the formation of agglomerates that can …

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  • Reasons for crack propagation and strength loss in ...

    2020-10-9 · a refractory castable’s matrix, the amount of cement as well as the content of Al 2O 3 in the cement will strongly affect the castable elasticity [1–10]. In all concretes and even refractory materials, moreover, the numerous defects in their structures (e.g. microcracks, pores, flaws, grain boundaries, and

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  • How To Use Refractory Castable - News - Zibo

    Mixing good castable from water to use up in 20-30 minutes, the initial setting material should be discarded. Expansion joints shall be reserved according to the design. 4. [curing]: after the surface of the refractory castable is dry and reaches 70% strength, the formwork can be removed.

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  • Castable refractory systems - Alcan International

    1997-11-28 · To determine the amount of mullite present, refractory pieces were analyzed by X-ray diffraction and the ratio of the mullite peak area (121 plane) versus the alumina peak area (113 plane) was determined. It will be seen that, in general, the NCC formulation has good properties in relation to the LCC formulation.

    Get Price
  • Castable Refractory for Sale - RS Kiln Refractory

    COPYRIGHT NOTICE. Extracted, with permission, from ASTM C860 Standard Test Method for Determining the Consistency of Refractory Castable Using the Ball-In-Hand Test, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the standard may be purchased from ASTM …

    Get Price
  • Refractory > ASTM C860

    2021-7-20 · The densification behaviour of graphite-free and graphite-containing castable matrices has been characterized too by their thermal and thermomechanical characteristics up to 1500 °C. The role of coated graphite on improved performance of the refractory ceramics was explored by thermogravimetry, X-ray diffraction, …

    Get Price
  • Alumina-Carbon Refractory Castables Containing

    Calcium aluminate cements are the most hydraulically setting cements used for refractory castables. The anhydrous phases of this type of cements incorporate CA, CA2 and traces of C12A7 and alpha-alumina where C and A stand for CaO and Al2O3, respectively. Hydration starts to form the hexagonal crystals of CAH10 (H …

    Get Price
  • Using a novel technique to shape a refractory

    2016-3-2 · The major objective of this project is to develop an insulating castable which is a part of unshaped refractory. And study their change in bulk density, shrinkage behavior, cold crushing strength by applying different temperature range and how does low density (1.56 ... 4.4 X- ray analysis 33-40 34-35 35 36 37-40 5 …

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  • STUDY AND PREPARATION OF HIGH ALUMINA

    2016-4-1 · Thus, the refractory castable mix is in flocculation state, showing a thixotropic flow. Therefore, the dispersion of particles in the castable is an essential requirement to obtain castable associating high flow ability with low water content. Furthermore, particles dispersion inhibits the formation of agglomerates that can …

    Get Price