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8AM Magnesia Cupels

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MOQ : 5 Metric Tons

8AM Magnesia Cupels Specification

Purity(%)
98% minimum

Chemical Composition
High purity MgO, minor CaO and SiO traces

Hardness (%)
7 Mohs scale

Surface Finish
Smooth outer and inner surface

Melting Point
Above 1700C

Usage & Applications
Gold/Silver assaying, laboratory refining, mineral analysis

Form
Solid, cup

Density
2.00 Gram per cubic centimeter(g/cm3)

Application
Assaying and refining of precious metals, gold and silver testing

Water Absorption
Low

Types of Refractories
Basic Refractory

Shape
Cup-shaped, round with shallow cavity and thick base

Porosity
Optimized for filtering lead oxide (PbO)

Dimensional Stability
Superior dimensional stability at operating temperatures

Strength
High mechanical strength for laboratory use

Specific Gravity
2.3-2.4 g/cm

Thermal Conductivity
Low thermal conductivity

Color
White/Grey

Absorption Capacity
Absorbs large amounts of lead oxide

Resistance to Thermal Shock
Excellent

Environment Suitability
Non-reactive, suitable for harsh assay environments

Oxidation Resistance
Outstanding for repeated cycles

Cupel Diameter
38 mm - 44 mm

Shelf Life
Indefinite under dry conditions

Lead Oxide Absorption
High - suitable for standard assay load

Packing Type
Corrugated box or carton packing

Cupel Depth
10 mm - 15 mm

Manufacturing Process
Pressed and sintered for improved durability

Recommended Furnace Temperature
Over 1000C

8AM Magnesia Cupels Trade Information

Minimum Order Quantity
5 Metric Tons

Supply Ability
50 Metric Tons Per Month

Delivery Time
45 Days

Main Domestic Market
All India

About 8AM Magnesia Cupels

We have established ourselves as the trustworthy name of market by providing a comprehensive range of 8AM Magnesia Cupels at affordable rates. These are manufactured from the top grade materials under supervision of our quality experts who ensure their rugged construction. Moreover, 8AM Magnesia Cupels are extremely durable and accessible within the promised time frame.

Other Detail :-

Application : Industrial;,Commercial
Color: Milky White
Material: Magnesia
Mgo Content: 99%
Size: Customize

Features :-

Portable
Less Maintenance
Durable

Technical details

Packaging Size	200 Piece
Color	Milky White
Material	Magnesia
Mgo Content	99%
Brand	iMagCup
Height	35 mm
Width	45.3 mm
Ridge	13 mm
Depth	11.5 mm
Weight Per Cupel	105.5 g
Box Weight	21.8 Kg

Exceptional Performance in Precious Metal Assaying

8AM Magnesia Cupels provide outstanding resistance to thermal shock and oxidation, ensuring dependable results during repeated firing cycles. Thanks to their optimized porosity, they can absorb high amounts of lead oxide, which is essential in gold and silver assaying. Their high mechanical strength and dimensional stability at elevated temperatures make them a preferred choice for professional laboratories.

Robust Construction with High-Purity Materials

Each cupel is crafted from high-purity magnesium oxide, with minor traces of calcium oxide and silicon dioxide, to provide superior chemical and mechanical properties. The pressed and sintered manufacturing process ensures enhanced durability and a dense, resilient structure, making these cupels suitable for demanding laboratory applications and extended shelf life under dry storage conditions.

Broad Assaying and Refining Applications

Designed specifically for gold and silver assaying, 8AM Magnesia Cupels are ideal for mining, refining, mineral analysis, and laboratory research. Their non-reactive nature allows for effective use in aggressive environments, while the low thermal conductivity and smooth cup surface facilitate consistent results throughout repeated uses.

FAQs of 8AM Magnesia Cupels:

Q: How are 8AM Magnesia Cupels manufactured to ensure durability and performance?

A: These cupels are produced using a pressed and sintered process with high-purity MgO, providing a dense structure with superior mechanical strength, outstanding oxidation resistance, and excellent thermal shock resistance for laboratory reliability.

Q: What are the main benefits of using magnesia cupels in precious metal assaying?

A: Magnesia cupels efficiently absorb large amounts of lead oxide due to their optimized porosity, while their chemical purity and high melting point ensure accurate results, minimal contamination, and reliable performance even at temperatures above 1000C.

Q: When should these cupels be replaced during repeated use in the laboratory?

A: It is recommended to use a new cupel for each assay to ensure optimal absorption and accurate measurement, as reusing cupels may compromise their porosity and absorption capacity for lead oxide.

Q: Where can 8AM Magnesia Cupels be applied apart from gold and silver testing?

A: Besides precious metal assaying, these cupels are suitable for mineral analysis, laboratory refining, and are used broadly in research labs and by distributors, exporters, and industrial users handling metal sample processing.

Q: How should 8AM Magnesia Cupels be stored to maintain their quality?

A: Store these cupels in dry conditions using their original corrugated box or carton packaging. When kept dry, they have an indefinite shelf life and maintain their excellent properties over time.

Q: What makes 8AM Magnesia Cupels suitable for harsh laboratory environments?

A: Their high chemical purity, non-reactive nature, and superior resistance to thermal shock and oxidation allow them to perform reliably even in demanding and repeated cycles within aggressive environments.

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