$Magnesia Refractory Bullion Cupels$

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Magnesia Refractory Bullion Cupels

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MOQ : 5 Metric Tons

Magnesia Refractory Bullion Cupels Specification

Melting Point
>2000C

Density
3.0 Gram per cubic centimeter(g/cm3)

Chemical Composition
MgO (Magnesia) >97%, trace SiO2, CaO

Usage & Applications
Gold and Silver Assaying, Fire Assay, Analytical Laboratory

Form
Solid Cupel

Surface Finish
Smooth interior, porous body

Water Absorption
High for absorption of lead oxide

Purity(%)
>97% MgO

Application
Precious metal assay, Bullion Refining, Laboratory Testing

Hardness (%)
80-85

Product Type
Magnesia Refractory Bullion Cupel

Types of Refractories
Basic Refractory

Shape
Cupel, shallow bowl form

Porosity
Controlled, high absorption

Dimensional Stability
Excellent under high temperature

Strength
High mechanical strength

Specific Gravity
3.4 - 3.6

Thermal Conductivity
Low

Color
White to off-white

Temperature Resistance
Stable up to 1100°C - 1200°C during operation

Packing Type
Cardboard boxes or bulk packaging

Resistance to Thermal Shock
Excellent

Lead Absorption Capacity
High

Weight per Cupel
Approx. 15g - 70g, depending on size

Available Sizes
Varied, custom dimensions on request

Manufacturing Process
Molding and sintering from high purity magnesia raw material

Acid Resistance
High (basic refractory nature)

Corrosion Resistance
Good against fluxes

Shelf Life
Indefinite under dry storage

Magnesia Refractory Bullion Cupels Trade Information

Minimum Order Quantity
5 Metric Tons

Supply Ability
50 Metric Tons Per Month

Delivery Time
45 Days

Sample Available
Yes

Sample Policy
Contact us for information regarding our sample policy

Main Domestic Market
All India

About Magnesia Refractory Bullion Cupels

Discover our hot-selling Magnesia Refractory Bullion Cupelsnow available at a reduced price! These trending, first-class cupels are engineered with over 97% noble magnesia, offering perfect resistance to thermal shock and stable performance up to 1200C. Their high lead absorption and basic refractory nature ensure exceptional acid and corrosion resistance, ideal for precious metal assay and bullion refining. Each cupel guarantees a smooth finish, controlled porosity, and impressive mechanical strength. Available in varied sizes, our cupels are the perfect choice for laboratories, refineries, and industry professionals seeking quality and durability.

Perfect for Precious Metal Assaying and Laboratory Applications

Magnesia Refractory Bullion Cupels are specifically designed for precise gold and silver assaying as well as fire assay tests. They offer general utility in precious metal refining laboratories but stand out due to their special features: high lead absorption, excellent dimensional stability, and noble acid resistance. Simply place the alloy within the cupel and heat as requiredits porous structure efficiently separates lead oxide. Custom sizes and easy handling make them an industry favorite.

Sample Policy, Supply Ability, and Delivery Assurance

We deliver premium Magnesia Refractory Bullion Cupel samples upon inquiry, with a reasonable asking price for testing purposes. Supply ability stands robust with large quantities available to meet industrial requirements, ensuring timely delivery. Our FOB port in India ensures smooth logistics for both domestic and international orders. Products are securely packed, and bulk orders are processed efficientlygiving you the advantage of high-quality cupels delivered promptly to your facility.

FAQs of Magnesia Refractory Bullion Cupels:

Q: How are magnesia refractory bullion cupels utilized in precious metal assaying?

A: Magnesia cupels are used to absorb lead oxide during fire assay, helping isolate gold and silver for accurate measurement in refining and laboratory testing.

Q: What makes these cupels a trending choice among refineries and laboratories?

A: Their high thermal shock resistance, controlled porosity, and stable performance up to 1200C make them a popular selection for modern precious metal analysis and refining operations.

Q: When should I choose magnesia cupels over other refractory materials?

A: Choose magnesia cupels when high lead absorption, acid resistance, and reliable dimensional stability at elevated temperatures are paramount for your assay process.

Q: Where can I request custom dimensions or bulk orders for these cupels?

A: Custom sizes and bulk orders can be requested directly through the manufacturer, distributor, exporter, supplier, or wholesaler based in India.

Q: What is the benefit of their specific chemical composition and structure?

A: With over 97% magnesia, these cupels provide superior mechanical strength, low thermal conductivity, high durability, and optimized lead absorption essential for precise assay outcomes.

$Magnesia Refractory Bullion Cupels$

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