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.

(1500-1800C High Temperature 99 Isostatic Pressure Lab Al2o3 Alumina crucible Gold Melting crucible)

Specifications of 1500-1800C High Temperature 99 Isostatic Pressure Lab Al2o3 Alumina crucible Gold Melting crucible

The 1500-1800 ° C Heat 99 Isostatic Pressure Lab Al2O3 Alumina Crucible is a premium-grade ceramic vessel crafted for extreme thermal and chemical resistance in demanding laboratory and commercial applications. Crafted from 99% pure alumina (Al2O3), this crucible is manufactured using innovative isostatic pushing modern technology, ensuring consistent thickness, structural stability, and remarkable performance under high-temperature problems. Its main usage includes melting precious metals like gold, platinum, and silver, as well as taking care of corrosive products, high-purity chemical processes, and advanced product synthesis. The crucible’s isostatic pushing technique eliminates inner voids and powerlessness, improving mechanical strength and thermal shock resistance. This allows it to hold up against quick temperature level variations from area temperature level to 1800 ° C without fracturing or warping, making it optimal for duplicated use in heaters, kilns, and induction heating systems. The alumina make-up gives excellent resistance to acids, alkalis, and molten metals, making certain very little contamination and long-lasting resilience. Offered in customizable sizes and shapes, the crucible includes a smooth surface coating to help with easy elimination of dissolved products and lower adherence. Key specs include a maximum continuous operating temperature of 1800 ° C, a density of ≥ 3.85 g/cm ³, and a porosity of near-zero as a result of the isostatic process. It shows low thermal growth, high firmness (Mohs 9), and exceptional electrical insulation residential properties. Appropriate for usage in research study labs, jewelry workshops, and metallurgical sectors, this crucible is designed for precision and integrity. Customers must stay clear of thermal cycling beyond advised limitations and abrupt quenching to prolong lifespan. Compared to typical clay or graphite crucibles, this alumina version uses unparalleled pureness, thermal stability, and resistance to oxidation, guaranteeing consistent cause high-stakes environments. Its robust construction and high-temperature resistance make it an essential tool for specialists requiring accuracy, security, and effectiveness in extreme melting and home heating applications.

(1500-1800C High Temperature 99 Isostatic Pressure Lab Al2o3 Alumina crucible Gold Melting crucible)

Applications of 1500-1800C High Temperature 99 Isostatic Pressure Lab Al2o3 Alumina crucible Gold Melting crucible

High-temperature Al ₂ O ₃ alumina crucibles, designed for usage in extreme settings up to 1800 ° C, are engineered to meet the extensive demands of labs, rare-earth element handling, and advanced industrial applications. Crafted from 99% pure alumina (Al ₂ O ₃) making use of isostatic pushing technology, these crucibles deliver outstanding thermal stability, mechanical toughness, and chemical inertness, making them suitable for high-temperature procedures such as gold melting, alloy synthesis, and advanced material study.

The isostatic pushing technique guarantees consistent thickness and microstructure, eliminating weak points and improving resistance to thermal shock. This production process allows the crucibles to endure quick temperature level fluctuations without fracturing, a critical attribute for recurring home heating and cooling down cycles in heating system operations. With a maximum operating temperature level of 1800 ° C, these crucibles outperform traditional ceramic or graphite alternatives, which frequently weaken or respond with liquified steels at severe temperatures.

Goldsmiths, jewelry experts, and refineries rely upon these crucibles for melting gold, platinum, and various other rare-earth elements as a result of their non-reactive nature. The high-purity alumina composition avoids contamination, making sure the honesty of molten metals. Laboratories utilize them for sintering sophisticated ceramics, examining ash web content, or carrying out thermogravimetric experiments where precision and product purity are vital.

In industrial settings, these crucibles are crucial for refining superalloys, rare earth metals, and semiconductor products. Their resistance to acidic and fundamental slags, integrated with reduced thermal development, guarantees longevity even in aggressive chemical settings. The smooth interior surface area decreases material adherence, streamlining post-process cleaning and decreasing waste.

Durability is a hallmark of these crucibles. Their robust construction stands up to mechanical stress throughout mixing, putting, or handling, while the high alumina material makes sure minimal wear in time. Offered in personalized sizes and shapes, they accommodate varied furnace arrangements and sample volumes.

For applications needing reliability under extreme problems– such as aerospace component testing, nuclear research, or high-purity glass manufacturing– these isostatic pushed alumina crucibles use unrivaled efficiency. Their capacity to maintain structural stability at 1800 ° C, paired with cost-effectiveness over their life-span, makes them a preferred option for experts focusing on precision, safety, and efficiency in high-temperature operations.

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 1500-1800C High Temperature 99 Isostatic Pressure Lab Al2o3 Alumina crucible Gold Melting crucible

What are the primary applications of the 1500–1800°C High-Temperature 99% Isostatic Pressure Lab Al₂O₃ Alumina Crucible?
This alumina crucible is designed for high-temperature processes requiring extreme thermal stability and chemical resistance. Common uses include melting precious metals like gold, silver, and platinum in jewelry making, laboratories, or industrial settings. It is also ideal for sintering, calcination, and heat-treating advanced ceramics, alloys, or research samples. Its ability to withstand rapid temperature changes and corrosive environments makes it suitable for demanding applications in materials science, metallurgy, and chemical analysis.

What makes this crucible capable of handling temperatures up to 1800°C?
The crucible is made from 99% pure alumina (Al₂O₃) processed via isostatic pressing, which compacts the material uniformly in all directions. This method eliminates internal voids, creating a dense, robust structure resistant to thermal cracking and deformation. High-purity alumina inherently has a melting point above 2000°C, ensuring stability at 1500–1800°C. The isostatic pressure technique enhances mechanical strength and thermal shock resistance, allowing repeated use in extreme conditions without degradation.

How does isostatic pressing improve performance compared to regular alumina crucibles?
Isostatic pressing applies equal pressure from all sides during manufacturing, resulting in a homogenous microstructure with minimal porosity. This uniformity enhances density, mechanical strength, and thermal conductivity compared to traditional slip-cast or dry-pressed crucibles. It reduces the risk of cracks, leaks, or contamination during high-temperature use, ensuring longer lifespan and reliability. The process also allows precise shaping for consistent wall thickness, improving heat distribution and energy efficiency during melting or heating processes.

Can this crucible be reused, and how do I maintain it?
Yes, the crucible is reusable due to its exceptional durability. After cooling to room temperature, remove residual material by gently tapping or using non-abrasive tools. Avoid sudden temperature changes—preheat the crucible gradually before each use. For stubborn residues, soak in diluted acid (e.g., hydrochloric acid) and rinse thoroughly. Inspect for cracks or erosion between uses. With proper care, it can endure dozens of cycles, depending on operating conditions, making it a cost-effective solution.

Why choose this alumina crucible over other high-temperature containers?
This crucible outperforms alternatives like graphite or lower-purity ceramics due to its combination of purity, thermal stability, and resistance to chemical corrosion. Graphite oxidizes at high temperatures, while impure ceramics may crack or react with molten metals. The 99% Al₂O₃ composition ensures minimal contamination, critical for precision applications. Isostatic pressing guarantees structural integrity, reducing failure risks. Its versatility across extreme temperatures and harsh environments makes it a superior choice for professionals prioritizing safety, efficiency, and long-term value.

(1500-1800C High Temperature 99 Isostatic Pressure Lab Al2o3 Alumina crucible Gold Melting crucible)