Overview of Mullite Crucible

Mullite crucibles are made from mullite, a high - temperature level - resistant ceramic material. They have great thermal stability, reduced thermal development, and high mechanical strength. These crucibles are suitable for high - temperature applications in metallurgy, porcelains, and laboratories, supplying outstanding resistance to warm and chemical rust.

（Mullite crucibles）

Features of Mullite Crucible

Mullite crucibles have a number of remarkable features. They have high refractoriness, enabling them to stand up to heat without warping. Their reduced thermal conductivity aids save power and minimizes warm loss. With great chemical security, they stand up to deterioration from various materials. They have outstanding thermal shock resistance, permitting them to withstand temperature level adjustments rapidly without splitting. In addition,the high mechanical stamina of mullite crucibles ensuring resilience and a lengthy life span.

Parameter table of Mullite Crucible

Parameter	Typical Value
Chemical Composition	Mainly mullite (\(3Al_2O_3\cdot2SiO_2\)), with possible additives
Density	Usually in the range of 2.5 - 2.7 g/cm³
Thermal Conductivity	Generally around 2 - 3 W/(m·K) at room temperature
Linear Expansion Coefficient	Approximately ((4 - 5)×10^{-6}°C) within a certain temperature range
Refractoriness	Above 1750°C
Compressive Strength	Can be 100 - 300 MPa or more
Flexural Strength	Typically 15 - 30 MPa

Applications of Mullite Crucible

Mullite crucibles have a large range of applications in various fields due to their excellent homes. In the metallurgical market, they are made use of for melting and refining non - ferrous metals such as light weight aluminum and copper, in addition to for warmth - treatment procedures. In the porcelains sector, they are necessary for shooting ceramic products at heats, helping to shape and compress the items. In laboratories, mullite crucibles are commonly used for chemical evaluation, sample digestion, and high - temperature level synthesis responses. They are also used in the glass sector for melting and handling glass sets. Additionally, in the electronics industry, they can be used for processes such as the annealing of semiconductor materials.

Production Method of Mullite Crucible

The manufacturing technique of mullite crucibles typically includes the adhering to actions. Firstly, high - pureness resources like alumina and silica are mixed in a particular proportion. After that, the mixture is shaped into the desired crucible kind via processes such as pushing or casting. After that, the green crucible is dried out to remove dampness. Lastly, it is sintered at a high temperature, typically above 1600 ° C, to develop the thick mullite framework, enhancing the crucible's buildings.

Storage Condition of Mullite Crucible

Mullite crucibles should be kept in a dry and well-ventilated area. Prevent storing them in locations with high moisture to avoid dampness absorption, which could influence their performance. They need to additionally be kept away from resources of mechanical vibration and effect to avoid fracturing or damages. Additionally, store them in a clean location to stay clear of contamination by dust or other foreign substances.

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 Mullite Crucible

Q1:What is the maximum temperature level that a mullite crucible can hold up against?
Mullite crucibles can generally stand up to temperature levels as much as 1750 - 1800 ° C, depending upon their specific structure and manufacturing procedure.

Q2:Can mullite crucibles be made use of for melting metals?
Yes, they are appropriate for thawing non-ferrous steels such as lightweight aluminum, copper, and their alloys. Nevertheless, they are not generally used for thawing high-melting-point steels like tungsten or molybdenum.

Q3:How do I cleanse a mullite crucible?
After usage, allow the crucible to cool normally. After that, it can be cleaned with a soft brush and water. For stubborn discolorations, a moderate acid or base service can be used, followed by comprehensive rinsing. Prevent utilizing abrasive materials that might scratch the surface.

Q4:What is the lifespan of a mullite crucible?
The life expectancy relies on many factors such as the regularity of use, the operating temperature, and the nature of the materials being processed. With correct treatment, a mullite crucible can last for several usages. However, it might need to be changed when indicators of wear, such as fractures or excessive erosion, show up.

Q5:Are mullite crucibles resistant to chemical corrosion?
Mullite crucibles have good chemical stability and are resistant to corrosion by many acids, bases, and salts. However, they may react with some highly reactive substances, so it's important to choose the appropriate crucible based on the specific chemical environment.