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 Heat-resistant Al2O3 99% Alumina Ceramic Labware Corundum Crucibles

Heat-Resistant Al ₂ O ₃ 99% Alumina Porcelain Labware– Diamond Crucibles

Material and Purity

These crucibles are made from high-purity alumina ceramic. The material includes 99% light weight aluminum oxide (Al ₂ O FIVE). This high pureness offers the crucible outstanding chemical stability and solid resistance to the majority of acids, antacid, and molten steels.

Temperature level Resistance

The crucibles can take care of continuous use at temperatures up to 1700 ° C (3092 ° F) . They remain steady also under fast heating or cooling down cycles. This makes them optimal for high-temperature applications like ashing, blend, and example prep work in analytical laboratories.

Physical Characteristics

They have a thick, non-porous structure that avoids contamination and absorption of examples. The solidity is close to that of natural diamond, which suggests they withstand damaging and put on during regular lab use. Their reduced thermal expansion aids stay clear of splitting under thermal stress and anxiety.

Style and Use

Each crucible features smooth inner wall surfaces and consistent density. Requirement dimensions range from 5 mL to 100 mL , with custom choices readily available. The form is optimized for easy handling, pouring, and cleaning. They fit well in conventional muffle heaters and various other usual lab heating tools.

Cleaning up and Reuse

After usage, tidy the crucible with pure water or light cleaning agent. For persistent residues, take in thin down acid or perform a short burn-off cycle in a heating system. Proper cleaning ensures lengthy life span and regular efficiency throughout duplicated uses.

Applications

These crucibles are extensively made use of in study laboratories, quality assurance divisions, and commercial testing facilities. Typical jobs include ashing natural products, melting glass or metals, and holding reactive chemicals at high temperatures . Their integrity sustains accurate cause requiring thermal procedures.

Applications of Heat-resistant Al2O3 99% Alumina Ceramic Labware Corundum Crucibles

Applications of Heat-Resistant Al Two O FIVE 99% Alumina Porcelain Labware

Corundum Crucibles for Demanding Laboratory Tasks

Corundum crucibles made from 99% pure alumina (Al two O ₃) are developed for extreme warm and chemical resistance These laboratory tools handle temperature levels up to 1700 ° C without breaking or warping. That makes them ideal for high-temperature procedures where regular ceramics would certainly fall short.

Scientists make use of these crucibles in blend work, ash screening, and example prep work. They hold molten steels, glass, and aggressive changes like salt peroxide or lithium borate. The high pureness of the alumina prevents contamination, so examination results stay accurate and reputable.

In materials research study, these crucibles sustain sintering and calcination of advanced porcelains and powders. Their smooth interior surface area decreases material sticking, which helps with clean healing of samples. The dense microstructure also obstructs chemical infiltration, even during lengthy exposure to harsh vapors or slags.

Secret advantages include:
– Exceptional thermal shock resistance.
– Marginal sensitivity with the majority of acids and bases
– Low thermal expansion for stable efficiency under quick home heating or air conditioning
– Reusable after correct cleansing

Industries such as metallurgy, geology, and drugs depend on these crucibles for consistent, repeatable outcomes. Quality assurance laboratories choose them for standardized treatments like loss-on-ignition tests. Colleges and R&D facilities count on their durability for speculative work that presses temperature restrictions.

Since they last longer than lower-grade porcelains, diamond crucibles lower substitute prices gradually. Users obtain dependable efficiency batch after set, also under rough conditions. Correct handling guarantees years of solution without degradation in performance or purity.

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 Heat-resistant Al2O3 99% Alumina Ceramic Labware Corundum Crucibles

Frequently Asked Questions About 99% Alumina Ceramic Crucibles

What makes these crucibles heat-resistant?

These crucibles are made from 99% pure aluminum oxide (Al₂O₃), also called corundum. This material stays strong even at very high temperatures—up to 1750°C (3182°F). It does not melt, crack, or warp easily under intense heat.

Can I use them with strong acids or bases?

Yes. These crucibles resist most chemicals, including strong acids and alkalis. They work well in harsh lab environments. Avoid using hydrofluoric acid or hot concentrated phosphoric acid, as these can damage the surface.

Why choose 99% alumina over lower grades?

Higher purity means better performance. 99% alumina offers greater thermal stability, stronger mechanical strength, and less risk of contaminating your samples. Lower grades may contain impurities that affect results or break down faster under heat.

How do I clean and store these crucibles?

Let the crucible cool completely before cleaning. Rinse with distilled water. For stubborn residue, use a mild detergent or soak in dilute nitric acid. Never use metal brushes—they can scratch the surface. Store in a dry, dust-free place to avoid contamination.

Are they safe for repeated heating and cooling cycles?

Yes. These crucibles handle thermal shock well. You can heat and cool them many times without cracking—just avoid sudden temperature changes. Always heat gradually and let them cool slowly inside the furnace when possible.