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Magnesia Cupels
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4A Magnesia Cupels

  • Chemical Composition:High purity Magnesium Oxide (MgO), with minor trace elements
  • Density:3.0 Gram per cubic centimeter(g/cm3)
  • Dimensional Stability:Other, Excellent under high temperature
  • Purity(%):Typically 98% or above
  • Shape:Other, Round cup with concave surface
  • Surface Finish:Porous matte finish
  • Usage & Applications:Precious metal assaying, gold and silver refining
  • Water Absorption:High, optimized for cupellation
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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7B Magnesia Cupels

  • Application:Assaying in gold & silver fire analysis, precious metal testing labs, and mining industries
  • Form:Solid, circular disc with central depression
  • Hardness (%):Approx. 85-90
  • Melting Point:Above 1600C
  • Porosity:Controlled/microporous to absorb lead oxide efficiently
  • Shape:Other, Round cup-like, deep cavity
  • Thermal Conductivity:Low
  • Types of Refractories:Other, Basic Refractory (Magnesia based)
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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8C Magnesia Cupels

  • Chemical Composition:MgO > 98%
  • Color:White to light grey
  • Density:1.8 Gram per cubic centimeter(g/cm3)
  • Dimensional Stability:Other, Excellent, maintains shape at assay temperatures
  • Purity(%):98 99%
  • Surface Finish:Smooth, crack-free surface
  • Usage & Applications:Assay of gold, silver, and precious alloys; mining laboratories, jewelry testing, metal analysis
  • Water Absorption:<5%
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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7X Magnesia Cupels

  • Chemical Composition:High Purity Magnesia
  • Density:1.8 Gram per cubic centimeter(g/cm3)
  • Dimensional Stability:Other, Excellent at high temperatures
  • Purity(%):Minimum 97% MgO
  • Shape:Other, Cup-shaped
  • Surface Finish:Smooth, regular
  • Usage & Applications:Crucible for separating precious metals from lead and other base metals
  • Water Absorption:Very low
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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Magnesia Cupels

  • Chemical Composition:Over 97% MgO
  • Density:2.3 Gram per cubic centimeter(g/cm3)
  • Dimensional Stability:Other, Excellent at high temps
  • Purity(%):97% 99%
  • Surface Finish:Smooth, slightly porous
  • Thermal Conductivity:Low
  • Usage & Applications:Fire assay in mining, laboratories for separation of precious metals
  • Water Absorption:7% 14%
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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9 Magnesia Cupels

  • Chemical Composition:Magnesia (MgO), with minor CaO and SiO
  • Color:Off-white / Greyish White
  • Density:2.0 Gram per cubic centimeter(g/cm3)
  • Dimensional Stability:Other, Excellent at High Temperatures
  • Purity(%):>90%
  • Surface Finish:Smooth
  • Usage & Applications:Fire Assaying, Laboratory Analysis, Refining Industry
  • Water Absorption:15%
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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3S Magnesia Cupels

  • Chemical Composition:Magnesia based (>97% MgO)
  • Density:1.50 Gram per cubic centimeter(g/cm3)
  • Dimensional Stability:Other, Excellent stability at high temperatures, retains shape during use
  • Purity(%):97% or above MgO purity
  • Shape:Other, Cup shaped, concave
  • Surface Finish:Smooth surface, fine-grained
  • Usage & Applications:Cupellation for assaying precious metal ores and bullion
  • Water Absorption:High, designed for efficient absorption of litharge (lead oxide)
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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Size 8 Magnesia Cupels

  • Color:Greyish white
  • Form:Solid, pre-formed
  • Porosity:High (to absorb litharge effectively)
  • Shape:Other, Round cup/bowl
  • Specific Gravity:2.3-2.5 g/cm
  • Strength:High compressive strength, designed to withstand rapid heating
  • Thermal Conductivity:Low
  • Types of Refractories:Basic Refractory
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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8A Magnesia Cupels

  • Application:Gold and silver assaying, precious metal testing, laboratory analysis
  • Form:Solid cup, sintered
  • Hardness (%):High (Exact percentage not specified)
  • Melting Point:Approx. 2800C
  • Shape:Other, Cup (shallow dish/concave form)
  • Specific Gravity:2.95 - 3.05
  • Strength:Excellent mechanical strength for high-temperature use
  • Thermal Conductivity:Low, ideal for insulation
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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10 Magnesia Cupels

  • Application:Gold and Silver Assaying
  • Color:White / Off-White
  • Melting Point:Above 1,500C
  • Porosity:Controlled for High Absorption
  • Shape:Other, Cupel (Shallow bowl form)
  • Specific Gravity:2.9 3.1
  • Strength:High Compressive Strength
  • Types of Refractories:Basic Refractory
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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8AM Magnesia Cupels

  • Chemical Composition:High purity MgO, minor CaO and SiO traces
  • Density:2.00 Gram per cubic centimeter(g/cm3)
  • Dimensional Stability:Other, Superior dimensional stability at operating temperatures
  • Purity(%):98% minimum
  • Surface Finish:Smooth outer and inner surface
  • Thermal Conductivity:Low thermal conductivity
  • Usage & Applications:Gold/Silver assaying, laboratory refining, mineral analysis
  • Water Absorption:Low
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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7AS Magnesia Cupels

  • Chemical Composition:MgO > 95%
  • Density:2.5 Gram per cubic centimeter(g/cm3)
  • Dimensional Stability:Other, Excellent under thermal cycling
  • Purity(%):Above 95%
  • Surface Finish:Smooth, dense surface
  • Thermal Conductivity:Very low
  • Usage & Applications:Fire assay laboratories, gold and silver refining, analysis of precious metals
  • Water Absorption:Very low, less than 0.5%
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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9C Magnesia Cupels

  • Chemical Composition:Magnesium Oxide (MgO) > 98%
  • Density:2.0 Gram per cubic centimeter(g/cm3)
  • Dimensional Stability:Other, Excellent at high temperatures
  • Porosity:Controlled open porosity for efficient absorption
  • Purity(%):>98%
  • Surface Finish:Smooth, fine-grained
  • Usage & Applications:Precious metal assay, refining, and laboratory use
  • Water Absorption:<5%
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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7A Magnesia Cupels

  • Application:Gold and silver assaying, precious metal refining
  • Form:Solid
  • Hardness (%):Mohrs Hardness > 6
  • Melting Point:About 2800C
  • Shape:Other, Cup-shaped
  • Specific Gravity:2.3 2.6 g/cm
  • Thermal Conductivity:Low thermal conductivity
  • Types of Refractories:Other, Magnesia refractory
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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7AL Magnesia Cupels

Price: 5000.00 - 28500.00 INR
  • Application:Precious metal analysis, fire assay for gold and silver
  • Chemical Composition:High purity magnesia (MgO)
  • Density:2.3 Gram per cubic centimeter(g/cm3)
  • Dimensional Stability:Other, Excellent at high temperatures
  • Purity(%):>97%
  • Surface Finish:Smooth internal surface
  • Usage & Applications:Assaying and refining of gold, silver, and other precious metals
  • Water Absorption:Low
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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6A Magnesia Cupels

  • Application:Gold and Silver Assaying, Precious Metal Analysis, Fire Assay
  • Color:White / Off-white
  • Form:Solid, Cupel Form
  • Hardness (%):8090%
  • Melting Point:Approximately 2800C
  • Shape:Other, Cup (Standard Cupel Shape)
  • Strength:High mechanical strength, suitable for repeated high-temperature use
  • Thermal Conductivity:Low
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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Magnesia Refractory Bullion Cupels

  • Application:Precious metal assay, Bullion Refining, Laboratory Testing
  • Color:White to off-white
  • Form:Solid Cupel
  • Melting Point:>2000C
  • Porosity:Controlled, high absorption
  • Specific Gravity:3.4 - 3.6
  • Strength:High mechanical strength
  • Types of Refractories:Basic Refractory
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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Magnesia Cupels

Price: 2500.0 INR/Metric Ton
  • Chemical Composition:MgO 98%, SiO2 <1%
  • Color:White/Grey
  • Density:2.0 Gram per cubic centimeter(g/cm3)
  • Dimensional Stability:Other, Excellent at High Temperatures
  • Purity(%):98 99%
  • Surface Finish:Smooth, Non-Glazed
  • Usage & Applications:Quantitative Gold and Silver Analysis, Precious Metal Recovery
  • Water Absorption:<20%
  • Delivery Time:45 Days
  • Supply Ability:50 Per Month
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