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6HB Magnesia Cupels Block

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MOQ : 5 Metric Tons

6HB Magnesia Cupels Block Specification

Melting Point
2800C (approx)

Application
Gold and Silver Assay, Precious Metal Analysis, Fire Assay Laboratory

Form
Block (Cupel Block Form)

Usage & Applications
Used in fire assay processes for absorbing lead oxide while assaying precious metals like gold and silver

Water Absorption
< 3%

Surface Finish
Smooth

Purity(%)
>98%

Chemical Composition
Magnesium Oxide (MgO), minor Calcium Oxide (CaO)

Density
2.10 Gram per cubic centimeter(g/cm3)

Hardness (%)
60%

Types of Refractories
Basic Refractory

Shape
Block / Cupel Block

Porosity
Open Porosity 25 - 30%

Dimensional Stability
Excellent at High Temperature

Strength
High Mechanical Strength

Specific Gravity
2.9 - 3.1 g/cm

Thermal Conductivity
Low

Color
White / Off White

Compressive Strength
>100 MPa

Bulk Modulus
24.55 GPa

Thermal Shock Resistance
High

Packaging
Cardboard Carton/Export Worthy Packaging

Resistance to Alkali
Excellent

Refractoriness under Load (RUL)
1700C (min)

Manufacturing Process
Pressed & Sintered

Standard Size
Customized as per requirement

Shelf Life
Long Shelf Life in dry conditions

6HB Magnesia Cupels Block 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 6HB Magnesia Cupels Block

6HB(T) Magesia Cupels Block is specifically designed for the analysation of ores, metals, concrete, electrolyte slimes and scraps etc. It has 6 compartments with suitable hollowness that makes the process highly convenient. Moreover, it does not crack or break over the course of time. This 6HB(T) Magesia Cupels Block is maintenance free and available in a variety of specifications as per requirements.

Other Detail :

Application : Industrial;,Commercial
Size: Customize

Technical details

Packaging Type	Box
State	Solid
Color	White
Material	Magnesia
Mgo Content	99%
Packaging Size	105 pcs per Box
Grade	iMagCup Premium
Brand	iMagCup
Length	76.5 mm
Width	51 mm
Height	20 mm
Depth	8 mm
Hole Diameter	22 mm
Weight Per Cupel	150 g
Lead Absorption Capacity	65-70%
Box Weight	18.8 Kg

Precision for Precious Metal Analysis

The 6HB Magnesia Cupels Block is expertly engineered for demanding fire assay applications. Its high bulk modulus and mechanical strength guarantee structural stability while handling high temperatures and chemical exposure. This ensures accurate and repeatable results during gold and silver assaying, making it a reliable choice for laboratories analyzing valuable metals.

Exceptional Durability and Chemical Resistance

Utilizing high-purity magnesium oxide, these cupel blocks provide outstanding resistance to alkalis and minimize contamination during assays. The pressed and sintered construction enhances longevity and maintains surface integrity, even in challenging thermal and oxidative conditions, making them suitable for rigorous laboratory use.

Customizable and User-Friendly Design

Available in standard, customized sizes and smooth block forms, the 6HB Magnesia Cupels Block adapts easily to diverse assay requirements. Its open porosity and low thermal conductivity help optimize fire assay processes, and with robust export-worthy packaging, the blocks are delivered safely to laboratories across India and beyond.

FAQs of 6HB Magnesia Cupels Block:

Q: How are 6HB Magnesia Cupels Blocks manufactured?

A: These cupel blocks are produced through a pressed and sintered process, which compacts high-purity magnesium oxide and minor calcium oxide at elevated temperatures. This method confers high mechanical strength, low porosity, and excellent dimensional stability at high temperatures.

Q: What is the main benefit of using 6HB Magnesia Cupels Blocks in fire assay laboratories?

A: The primary advantage is their efficient absorption of lead oxide during gold and silver assay, thanks to their specific open porosity and high chemical purity. This results in accurate and consistent precious metal analysis.

Q: When should I use 6HB Magnesia Cupels Blocks in my laboratory?

A: These blocks should be used specifically for fire assay processes requiring absorption of litharge in gold and silver analysis, particularly when high thermal shock resistance and durability against alkalis are necessary.

Q: Where are 6HB Magnesia Cupels Blocks commonly used?

A: They are widely utilized in fire assay laboratories dedicated to the analysis of precious metals, including gold and silver, and are supplied throughout India and to international markets.

Q: How is the size or shape of the cupel blocks customized?

A: Cupel blocks can be manufactured in various standard or custom sizes and block forms according to specific laboratory requirements, ensuring compatibility with diverse assay apparatus.

Q: What packaging options are available for safe delivery?

A: 6HB Magnesia Cupels Blocks are supplied in protective cardboard cartons or export-worthy packaging to preserve surface integrity and prevent damage during transport.

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