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refractory materials in glaze thermal conductivity

  • The thermal conductivity of refractories

    2020-10-13 · As a means of,comp!aring the thermal 'conductivities of refractory materials the measured. h~at-input. metho,d possesses'the advantages of simplicity and ease of olpera­ tion. But the satisfactory calculation of the conductivity from data thtls sectlred is ltsually a difficttlt nlatter, owing to the facts

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  • Thermal conductivity of refractory glass fibres |

    2016-3-24 · Refractory glass fibres are normally produced in the form of low-density needled mats. A major issue with thermal conductivity measurements of these materials is lack of reproducibility in the test results due to transformation of the test material during the test. Also needled mats are inherently inhomogeneous, and this poses additional problems.

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  • Thermal conductivity of refractory bricks

    2017-7-10 · When the refractory brick contains pores, because the thermal conductivity of the gas is smaller than the solid, so with the increase in porosity, the thermal conductivity of the material decreases. This is the basic reason for the low thermal conductivity of porous materials. Thermal Conductivity 1-Silicon Carbide Brick;2-Magnesia Brick

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  • LECTURE 9 Refractory Materials - NPTEL

    2017-8-4 · Thermal conductivity Thermal conductivity of the bricks determines heat losses. Increase in porosity decreases thermal conductivity but at the same time decreases strength also. Bulk density: Decrease in bulk density incre ases volume stability, heat capacity. Types of refractory materials

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  • Thermal Insulation and Refractory Material

    2015-10-28 · heat transfer rate. High thermal conductivity indicates that the material is good conductor of heat and low conductivity indicates material is poor conductor of heat i.e. insulator. Thermal conductivity of some common materials is given in table 1. Normally good thermal conductors are …

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  • thermal-refractory.com - Want to know More about

    2021-5-30 · Thermal Co. is a professional manufactory of small-sized glazed tiles. It has years of experience. The ceramic glaze is made under high temperature. The glaze materials become colored in the kiln and the the natural texture is formed. Thus, Thermal tile is classic and natural.

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  • Thermal Conductivity of Refractory Brick - RUH - 1962 ...

    Thermal conductivity measurements were made on many types of refractory brick including high-alumina, fireclay, silica, chrome, magnesia, forsterite, zircon, silicon carbide, and insulating brick. These measurements, made with a modified ASTM C 201–47 apparatus, covered mean specimen temperatures of 200° to 2000°F.

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  • Refractory - digitalfire.com

    2 天前 · In this article we will discuss about:- 1. Meaning of Refractories 2. Properties of Refractories 3. Refractory Fibres 4. Uses. Meaning of Refractories: . The term refractories embraces all materials used in the arts for the construction of heat resisting containers, using the word in its broadest sense, whether it be to afford space for the evolution of gases in combustion processes or the ...

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  • Refractory Sagger - Qingdao Newthink New Materials

    Refractory Sagger. Main features: 1.Fast heat conduction: using high thermal conductivity materials, dense organization,low porosity, fast heat conduction. 2.Long service life:2 to 5 times longer life for different materials compared to ordinary clay graphite saggers.

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  • Principle of Selection of Refractories for Cement Kiln

    2017-11-2 · The temperature of these two places is relatively low, refractory material requiring brick lining of the thermal conductivity is small, good wear resistance, in this area from raw materials, fuel ...

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  • thermal conductivity Archives | The American Ceramic

    2019-6-4 · Supercomputer simulations shed insight into thermal conductivity of glass and other amorphous materials By April Gocha February 3, 2017 Using the power of a supercomputer at the Texas Advanced Computing Center at the University of Texas Austin, a Georgia Tech professor of mechanical engineering is going to save the world—and glass is going ...

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  • The Role of Graphite in Refractories such as Al2O3/MgO/C

    2013-11-22 · Specs: Good thermal and el. conductivity Used in furnaces fired with fuel, electricity or induction, mostly for light non-ferrous metals Service temperature up to 1600 °C Raw materials used in mixes for crucibles: Isostatic pressing or screw-in (plastic) process Glaze formation during service protects graphite against oxidation 16.10.13 page 8

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  • Refractory Materials: September 2016

    2016-9-30 · Using the coefficient of thermal conductivity.The characteristics of thermal radiation, high strength, manufacturing sheet kiln furniture, not only can reduce the capacity of kiln furniture, also improves the loading capacity of the kiln and the product quality, shorten the production cycle, is the ideal indirect materials of ceramic glaze ...

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  • Preparation and characterization of clay bonded high ...

    2017-11-1 · The thermal conductivity measurement of various samples were performed at temperatures 200 °C, 600 °C, 1000 °C, respectively and results are shown in Fig. 6. The thermal conductivity of refractories basically depends upon the chemical and mineralogical compositions as well as the glassy phase contained within the refractory.

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  • Factors Affecting Thermal Stress Resistance of Ceramic ...

    2019-9-13 · Factors Affecting Thermal Stress Resistance of Ceramic Materials by W. D. KINGERY Ceramics Division, Department of Metallurgy, Massachusetts lnstihrte of Technology, Cambridge, Massachusetts The sources and calculation of thermal stresses are considered, together with the factors in- volved in thermal stress resistance factors. Properties affecting thermal stress resistance of

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  • refractory - universalium.en-academic.com

    2015-4-30 · Refractory — A refractory is a material that retains its strength at high temperatures. ASTM C71 defines refractories as non metallic materials having those chemical and physical properties that made them applicable for structures, or as components of systems … Wikipedia. Refractory — Not yielding (at least not yielding readily) to ...

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  • ASTM C1470 - 20 Standard Guide for Testing the

    1.2 Five thermal properties (specific heat capacity, thermal conductivity, thermal diffusivity, thermal expansion, and emittance/emissivity) are presented in terms of their definitions and general test methods. The relationship between thermal properties and the composition, microstructure, and processing of advanced ceramics (monolithic and composite) is briefly outlined, providing guidance ...

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  • Techno File: Flat-Top Roof Repair - Ceramic Arts

    2018-9-4 · Refractory Fiber: Heat-resistant insulation fiber capable of continuous use at over 1832°F (1000°C) and primarily composed of alumina and silica. Thermal Conductivity: Rate of heat transfer through a given thickness of a material at a given temperature, in …

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  • Thermal and Refractory Ceramics Specifications ...

    Find Thermal and Refractory Ceramics on GlobalSpec by specifications. Thermal and refractory ceramics are inorganic, engineered materials that are designed for high-temperature applications. They are used for thermal insulation and fire proofing, and also as structural materials. Additional applications include wear parts and tooling, electrical and electronic components, glass manufacturing ...

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  • Refractory - Digitalfire

    High tech, highly processed refractory materials of many kinds are used to make parts needed by a wide range of manufacturing industries. Different refractories offer different properties (e.g. low dielectric strength, high tensile or compressive strength, low thermal expansion, low or high thermal conductivity…

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  • thermal conductivity Archives | The American Ceramic

    2019-6-4 · Supercomputer simulations shed insight into thermal conductivity of glass and other amorphous materials By April Gocha February 3, 2017 Using the power of a supercomputer at the Texas Advanced Computing Center at the University of Texas Austin, a Georgia Tech professor of mechanical engineering is going to save the world—and glass is going ...

    Get Price
  • Factors Affecting Thermal Stress Resistance of Ceramic ...

    2019-9-13 · Factors Affecting Thermal Stress Resistance of Ceramic Materials by W. D. KINGERY Ceramics Division, Department of Metallurgy, Massachusetts lnstihrte of Technology, Cambridge, Massachusetts The sources and calculation of thermal stresses are considered, together with the factors in- volved in thermal stress resistance factors. Properties affecting thermal stress resistance of

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  • Refractory ceramic fiber composites and high

    1995-10-1 · @article{osti_109745, title = {Refractory ceramic fiber composites and high emissivity materials for energy savings in the industry: A state-of-the-art review}, author = {Palco, S and Rigaud, M}, abstractNote = {Due to a series of continuous improvements in the manufacturing know-how of ceramic fiber, effective composition compounds, use of protective and high emissivity coatings, and ...

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  • Refractory Materials: 2016

    2016-12-20 · Refractory materials is not less than 1580 ℃ refractoriness of inorganic non-metallic materials. But just to define the refractoriness cannot fully describe the refractory materials, 1580 ℃ is not absolute. Now defined as any physical and chemical properties to allow its use in high temperature environment is called refractory material ...

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  • Refractories commonly used in cement kilns

    2021-3-8 · In order to improve the corrosion resistance of alkaline brick and reduce or even eliminate the chromium pollution to the environment, foreign countries have been devoted to the development and utilization of low cost magnesia-chrome brick, special magnesia-chrome brick and new type of dolomite brick and other alkaline refractory materials for ...

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  • Cordierite Ceramics - Digitalfire

    The low thermal expansion of true flameware makes craze-free glazes very difficult. Glossary: Refractory In the ceramic industry, refractory materials are those that can withstand a high temperature without deforming or melting. Refractories are used to build and furnish kilns. Glossary: Co-efficient of Thermal …

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  • Ceramic materials - SINTEF

    2021-5-29 · The materials may be obtained from raw materials specified by the customer, or SINTEF can develop special raw materials in the form of e.g. powder. Our areas of expertise Glass, glass ceramics, structural ceramics, composites, high temperature sealing, porcelain, porcelain glaze …

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  • Silicon Carbide Refractory Castable for Sale - RS ...

    When configuring the refractory castable, in order to improve its wear resistance, in addition to adding corundum, an appropriate amount of silicon carbide can also be added. Silicon Carbide Refractory Castable is the development of SiC refractory products. Generally, SiC refractory castables are designed with low cement and ultra-low cement formulations.

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  • Thermal and Refractory Ceramics Specifications ...

    Find Thermal and Refractory Ceramics on GlobalSpec by specifications. Thermal and refractory ceramics are inorganic, engineered materials that are designed for high-temperature applications. They are used for thermal insulation and fire proofing, and also as structural materials. Additional applications include wear parts and tooling, electrical and electronic components, glass manufacturing ...

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  • Zirconia Refractories

    2 天前 · The thermal conductivity of zirconia refractories is much lower than most of other refractories, because of that it is used as a high temperature insulating refractory. Since it is not easily wetted by molten glass and because of its low reaction with molten glass, Zirconia refractories are one of the main refractory material for glass furnaces.

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  • Industrial Refractory Archives - RS Kiln Refractory Bricks

    2021-4-1 · Refractory Materials for Modern Ceramic Kilns. Therefore, silicon carbide is selected for the production of important supporting materials such as beams and columns due to its high strength, high thermal conductivity, and high thermal shock resistance.

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  • Augmentation of the mechanical and chemical resistance ...

    2013-3-13 · generated glaze increased the wear life of the Al 2O ... The physical and chemical stability at high temperatures of refractory materials means ... refractories will act as effective insulators because porosity is inversely proportional to thermal conductivity [3], but will be susceptible to penetration by corrosive reagents during operation on ...

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  • Factors Affecting Thermal Stress Resistance of Ceramic ...

    2019-9-13 · Factors Affecting Thermal Stress Resistance of Ceramic Materials by W. D. KINGERY Ceramics Division, Department of Metallurgy, Massachusetts lnstihrte of Technology, Cambridge, Massachusetts The sources and calculation of thermal stresses are considered, together with the factors in- volved in thermal stress resistance factors. Properties affecting thermal stress resistance of

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  • Altingoz Refractory Bricks & Castables

    2018-5-9 · Ready to use refractory castables and mortars, has insulation upto 1400 °C. Industrial Furnaces We always keep stock of AZS ZAC, Mullite, Zircon, Zircon Mullite, Andolusite, Silimanite, Cordierite Batts, Jargal, high and low Alumina Bricks & Blocks, Silica Bricks and Mortars.

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  • Cordierite Ceramics - Digitalfire

    The low thermal expansion of true flameware makes craze-free glazes very difficult. Glossary: Refractory In the ceramic industry, refractory materials are those that can withstand a high temperature without deforming or melting. Refractories are used to build and furnish kilns. Glossary: Co-efficient of Thermal …

    Get Price
  • Silicon Carbide Crucibles and Spl. Refractory Products ...

    2021-5-29 · Made out of high grade silicon carbide and graphite utilizing specific bonding materials, Silcarb's Silicon Carbide Crucibles are premium refractory products used for melting ferrous and non-ferrous metals and alloys for their unique inherent properties such as good thermal conductivity, low thermal expansion, resistance to thermal shocks, resistance to wetting to molten metals, etc.

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  • Techno File: Flat-Top Roof Repair - Ceramic Arts

    2018-9-4 · Refractory Fiber: Heat-resistant insulation fiber capable of continuous use at over 1832°F (1000°C) and primarily composed of alumina and silica. Thermal Conductivity: Rate of heat transfer through a given thickness of a material at a given temperature, in …

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  • How to select additives for firebrick

    A common method of refractory brick is to add fine-grained antioxidant materials, such as in MgO C SiC, B4C, brick added metal Al, Mg and (or) Si to prevent or limit carbon at high temperatures (> 1400 DEG C) oxidation. Also, these additives are expensive, and can not completely prevent the oxidation of carbon at low temperature.

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  • Zirconia Refractories

    2 天前 · The thermal conductivity of zirconia refractories is much lower than most of other refractories, because of that it is used as a high temperature insulating refractory. Since it is not easily wetted by molten glass and because of its low reaction with molten glass, Zirconia refractories are one of the main refractory material for glass furnaces.

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  • entry into earth’s - Thermal Refractories Inc.

    2011-8-17 · Thermal conductivity of ceramics, as well as other materials, decreases with increasing temperature and porosity because air is a poor thermal conductor. Thermal expansion and thermal conductivity induce thermal stresses that can lead to thermal shock or thermal fatigue.

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  • Silicon Carbide Crucibles and Spl. Refractory Products ...

    2021-5-29 · Made out of high grade silicon carbide and graphite utilizing specific bonding materials, Silcarb's Silicon Carbide Crucibles are premium refractory products used for melting ferrous and non-ferrous metals and alloys for their unique inherent properties such as good thermal conductivity, low thermal expansion, resistance to thermal shocks, resistance to wetting to molten metals, etc.

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  • China Customized Thermal Conductivity Sisic Silicon ...

    Thermal Conductivity Sisic Silicon Carbide Beams. Silicon carbide products based on sic as the main raw material, match with all kinds of binder, through high heat sintering, the production of high-grade refractory materials, widely used in metallurgical industry, blast furnace bosh, outdoor taphole, electrical porcelain, enamel, ceramic kiln of muffle board, shed board, muffle board, push ...

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  • Polishing And Grinding Industry Casting Sand

    Polishing And Grinding Industry Casting Sand Refractory Zircon Sand , Find Complete Details about Polishing And Grinding Industry Casting Sand Refractory Zircon Sand,Refractory Zircon Sand,Polishing Zircon Sand,Zircon Sand In Refractory from Supplier or …

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  • Buy Refractory Materials, Refractory Manufacturing

    Introduction of Fused Zirconium Dioxide Fused zirconium dioxide is a kind of brand new high-grade refractory materials.It has high melting point, thermal stability, chemical stability and so on refractory properties, widely used in zirconia ceramics, glass kiln, refractory materials, electronics, grinding media, metallurgy, machinery, chemical, refractory manufacturing and other industries.

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  • High Thermal Conductivity Metallized Aln Ceramic -

    High Thermal Conductivity Metallized Aln Ceramic, Find Details about Ceramic Substrate, Metallized Ceramics from High Thermal Conductivity Metallized Aln Ceramic - …

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  • Techno File: Flat-Top Roof Repair - Ceramic Arts

    2018-9-4 · Refractory Fiber: Heat-resistant insulation fiber capable of continuous use at over 1832°F (1000°C) and primarily composed of alumina and silica. Thermal Conductivity: Rate of heat transfer through a given thickness of a material at a given temperature, in …

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  • US7722246B1 - Method for determining the thermal

    A method of measuring the coefficient of thermal expansion of a ceramic material, including the steps of applying a glaze to a substantially densified refractory body, wherein the coefficient of thermal expansion of either the glaze or the body is known, bonding the glaze to the body, putting the glaze insufficient tension to induce crazing, measuring the average distance between cracks in the ...

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  • White sintered glass-ceramic tiles with improved

    Foaming the starting frit, the authors were to obtain induced porosity that reduced thermal conductivity from 1.38-0.61W (mK)-1. This high reflectance together with low thermal conductivity indicated the developed porous glass-ceramic would be suitable for heat barrier application therefore providing a good thermal insulation for buildings.

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  • entry into earth’s - Thermal Refractories Inc.

    2011-8-17 · Thermal conductivity of ceramics, as well as other materials, decreases with increasing temperature and porosity because air is a poor thermal conductor. Thermal expansion and thermal conductivity induce thermal stresses that can lead to thermal shock or thermal fatigue.

    Get Price
  • Surface treatment of an Al 2O3-based refractory with CO

    2021-3-9 · corrosion characteristics of a glaze generated on the surface of an Al 2O 3-based refractory by means of a CO 2 laser and a high power diode laser (HPDL). On account of their physical and chemical stability at high temperatures, refractory materials find use in application areas such as linings for furnaces and incinerators.

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  • New Microporous Materials for Use in Modern Firing Plants

    2020-10-9 · thermal conductivity, a steep tem-perature gradient is formed in the material, which leads to severe ... ing of the refractory thermal insulation materials. phere up to 1100°C and a reducing kiln atmosphere from that tempera-ture. To improve melting of the glaze onto the porcelain body, alkalis are added to it as a flux. Part of these

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  • High Thermal Conductivity Metallized Aln Ceramic -

    High Thermal Conductivity Metallized Aln Ceramic, Find Details about Ceramic Substrate, Metallized Ceramics from High Thermal Conductivity Metallized Aln Ceramic - …

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  • GRAPHITE AS A REFRACTORY *, Journal of the

    (4)Reports arc given on experiments 011 the thermal conductivity of clay-graphite bodies with the cffcct of varying pcrceutagcs of graphite on the conductivity. Character of Graphite and Its Use Graphite as a refractory has unique properties which distinguish i t from other refractories, chiefly, its thermal and electrical conductivity.

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  • BNZ Materials, Inc. Marinite I

    2013-3-3 · BNZ Materials, Inc. Marinite® I Refractory Products Fire-Resistant Thermal, Structural Insulation C QUALITY SYSTEM E R T I F I E D Marinite I structural insulation is a non-asbestos incombustible material manufactured in 4' x 8' panel form. These boards are designed to combine structural strength and high thermal insulating values in a variety of

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  • US7722246B1 - Method for determining the thermal

    A method of measuring the coefficient of thermal expansion of a ceramic material, including the steps of applying a glaze to a substantially densified refractory body, wherein the coefficient of thermal expansion of either the glaze or the body is known, bonding the glaze to the body, putting the glaze insufficient tension to induce crazing, measuring the average distance between cracks in the ...

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  • Properties and Application Fields of Silicon Carbide ...

    Among contemporary non-oxide, high-tech refractory materials such as C, N, B, silicon carbide is the most widely used and economical one. Because of its stable chemical properties, high thermal conductivity, low thermal expansion coefficient, and excellent abrasion resistance, silicon carbide has many other uses besides being used as an abrasive.

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  • Altingoz Refractory Bricks & Castables - About Us

    2018-5-9 · Altingoz Ates Tugla Refrakter is Turkey's reputable leading refractory brick supplier with massive stock ranges of bricks. We have been in refractory business since 1977. Our company's head office is located in Istanbul-Cayirova and our branch is based in south of Turkey(Mersin).

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  • Zr (zirconium) Compound:Iwatani

    2018-8-21 · Glaze for ceramics, raw material of refractory materials, raw material of display glass, abrasive materials, casting sand, raw material of zirconium compounds, and others Products offered Prime Grade (ZUG)、Standard Grade (ZSG) For details of the Zircon

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