Overview of Mullite Crucible

Mullite crucibles are made from a high-performance ceramic material composed primarily of alumina (Al₂O₃) and silica (SiO₂). Known for their excellent thermal stability and mechanical strength, mullite crucibles are widely used in high-temperature applications such as melting metals, glass, and ceramics. They offer superior resistance to thermal shock and chemical attack, making them indispensable in both laboratory and industrial settings.

Features of Mullite Crucible

Thermal Shock Resistance: Exceptional ability to withstand rapid temperature changes without cracking.
High Mechanical Strength: Strong and durable, even at elevated temperatures.
Chemical Stability: Resistant to most chemicals, ensuring minimal contamination during processes.
Temperature Range: Can operate effectively at temperatures up to 1650°C.
Low Thermal Expansion: Minimal expansion or contraction with temperature changes, ensuring dimensional stability.
Non-Reactive: Does not react with the materials being processed, preserving sample purity.
Versatility: Suitable for a wide range of applications including metallurgy, glass manufacturing, and laboratory experiments.

Specifications of High Purity Alumina Crucible for 1800C Muffle Furnace

High Purity Alumina Crucible for 1800 ° C Muffle Heating System

Material and Pureness

This crucible is made from 99.8% pure alumina (Al two O SIX). The high pureness degree guarantees marginal contamination during high-temperature procedures. It contains practically no contaminations like silica, iron, or alkali metals that can impact delicate materials.

Temperature Resistance

The crucible can safely run in muffle furnaces as much as 1800 ° C (3272 ° F). It maintains architectural integrity also under repeated thermal biking. This makes it perfect for applications such as ashing, calcination, and high-temperature sintering.

Physical Residences

It has excellent mechanical stamina and low thermal growth. These features help avoid breaking or buckling throughout quick home heating or air conditioning. The thick microstructure provides strong resistance to chemical attack from a lot of acids, bases, and molten metals.

Style and Measurements

Offered in typical sizes with volumes ranging from 10 mL to 100 mL. Wall thickness is optimized for warmth distribution and toughness. Each crucible comes with a coordinating cover to lower sample loss and contamination throughout usage.

Applications

Typically made use of in laboratories for sample prep work in fields like materials scientific research, geology, and metallurgy. Ideal for XRF combination, ceramic firing, and high-purity oxide synthesis. Its inert surface avoids unwanted reactions with reactive or corrosive substances.

Treatment and Handling

Always preheat the crucible slowly before getting to target temperature levels. Stay clear of sudden temperature adjustments. Use clean tongs to handle it when hot. Shop in a completely dry place to avoid wetness absorption, which might cause thermal shock during home heating.

Applications of High Purity Alumina Crucible for 1800C Muffle Furnace

High Purity Alumina Crucible for 1800 ° C Muffle Furnace

Why Choose High Purity Alumina?

A high pureness alumina crucible works well in severe warm. It stays secure up to 1800 ° C inside a muffle heating system. This makes it optimal for labs and industries that require clean, reliable outcomes. The material resists chemical reactions. It does not infect samples during home heating or melting.

Trick Applications

Material Research: Researchers utilize these crucibles to test new porcelains, metals, and alloys. The crucible’s inert surface area ensures no undesirable components mix into the example.

Drug Screening: In medicine growth, even small pollutants can change outcomes. High purity alumina maintains samples pure during ash screening or residue evaluation.

Ecological Labs: These crucibles handle dirt, water, and waste samples. They support exact measurements of hefty metals and other impurities after high-temperature therapy.

Electronic devices Production: When making innovative components like LEDs or semiconductors, producers require ultra-clean problems. Alumina crucibles offer that throughout sintering or crystal development actions.

Durability You Can Count On

These crucibles stand up to thermal shock. They do not split conveniently when heated up or cooled down rapidly. Their smooth interior decreases sample sticking. Cleaning up ends up being simpler, and cross-contamination decreases. Each crucible preserves its shape and toughness over numerous home heating cycles.

Fits Standard Muffle Furnaces

The design matches common 1800 ° C muffle heaters. You can put it straight inside without added adapters. Its shapes and size fit most typical laboratory procedures. Users obtain regular performance without configuration delays.

Reputable. Pure. Constructed for high warmth.

Company Introduction

Welcome to Teen-Hot,a leading global supplier of high-quality crucibles designed for various industrial applications. We offer an extensive range of crucibles, including graphite, ceramic, and metal varieties, tailored to meet the needs of foundries, laboratories, and manufacturers. Our products are renowned for their durability, thermal resistance, and precision engineering, ensuring optimal performance in melting and heat treatment processes. With advanced manufacturing facilities and a commitment to excellence, we provide reliable, cost-effective solutions worldwide. Partner with us for your crucible needs and experience superior quality, expert support, and timely delivery.

If you have any questions, please feel free to contact us(nanotrun@yahoo.com).

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of High Purity Alumina Crucible for 1800C Muffle Furnace

Why choose a high purity alumina crucible for 1800°C muffle furnace use?

Extreme heat resistance and chemical stability

High purity alumina crucibles handle temperatures up to 1800°C without cracking or deforming. They resist reactions with most molten metals, oxides, and slags. This makes them ideal for lab work and industrial processes that demand clean, contamination-free results.

What purity level is needed for reliable performance?

99.5% alumina or higher

Crucibles made with 99.5% pure alumina or more offer the best thermal shock resistance and structural strength at high temperatures. Lower purity levels may contain impurities that weaken the material or cause unwanted reactions during heating.

Can these crucibles be reused safely?

Yes, with proper handling

You can reuse high purity alumina crucibles many times if you avoid sudden temperature changes and mechanical stress. Always let the crucible cool slowly inside the furnace. Do not quench it in water or expose it to sharp impacts.

How do I clean a used alumina crucible?

Gentle methods only

Scrape off solid residues with a ceramic or plastic tool. For stubborn deposits, heat the crucible empty at 1000–1200°C to burn off organics. Never use metal brushes or strong acids—they can damage the surface or introduce contaminants.

Are there size and shape options available?

Multiple standard designs

Manufacturers offer various sizes and shapes, including cylindrical, boat, and dish styles. Common volumes range from 10 mL to 500 mL. Choose a size that fits your furnace chamber and leaves room for safe airflow around the crucible.