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 Cheap Factory Silicon Carbide Crucible Crucible Sio2 Metal Melting Crucible

Specifications of Cheap Factory Silicon Carbide Crucible

Material and Build

This crucible is made from high-quality silicon carbide (SiC). It offers strong resistance to heat and wear. The material stays stable even at very high temperatures. It works well for melting different types of metals. The crucible also contains a small amount of SiO₂, which helps improve its thermal shock resistance.

Temperature Range

The crucible can handle continuous use up to 1600°C (2912°F). Short-term exposure can go as high as 1700°C (3092°F). This makes it suitable for foundries, jewelry workshops, and small metal casting operations.

Capacity and Sizes

We offer this crucible in multiple sizes. Common capacities include 1 kg, 2 kg, 5 kg, and 10 kg. Each size has clear markings for easy identification. Custom sizes are also available upon request.

Durability and Performance

Silicon carbide gives the crucible excellent strength. It resists cracking during rapid heating or cooling. The inner surface is smooth, which helps with pouring and cleaning. Metal does not stick easily to the walls. This reduces waste and saves time between melts.

Applications

This crucible works well for melting aluminum, copper, brass, bronze, and precious metals like gold and silver. It is commonly used in small-scale foundries, schools, labs, and hobbyist workshops. Its low cost makes it a smart choice for regular replacement without sacrificing performance.

Handling Tips

Always preheat the crucible slowly before full use. Avoid sudden temperature changes. Use proper tongs and safety gear when handling hot crucibles. Store in a dry place to prevent moisture absorption, which can weaken the structure over time.

Applications of Cheap Factory Silicon Carbide Crucible Crucible Sio2 Metal Melting Crucible

Applications of Affordable Factory Silicon Carbide Crucibles

Ideal for High-Temperature Metal Melting

Silicon carbide crucibles made in factories offer strong performance at a low cost. These crucibles handle very high temperatures without breaking down. They work well for melting metals like aluminum, copper, brass, and zinc. Foundries and small workshops use them every day because they last long and heat up quickly.

Great Heat Conductivity and Strength

The material in these crucibles spreads heat evenly. This helps melt metal faster and more uniformly. Silicon carbide also resists thermal shock. That means the crucible won’t crack when heated or cooled suddenly. It stays strong even after many uses. This saves money over time since you don’t need to replace it often.

Works with Common Furnaces

These crucibles fit most standard induction and gas-fired furnaces. You can drop them right into your setup without special changes. Their shape and size are designed for easy handling and pouring. Workers find them simple to use during daily operations.

Not for All Materials

While great for non-ferrous metals, these crucibles are not suited for iron or steel melting. The high carbon content in silicon carbide can react with certain metals. Always check what you plan to melt before using this type of crucible. For aluminum recycling or jewelry casting, however, they are a solid choice.

Built for Real Workshop Needs

Factory-made silicon carbide crucibles balance price and quality. They give reliable results without costing too much. Small businesses and hobbyists benefit from their durability and efficiency. If you need a tough, affordable tool for regular metal melting, this crucible meets everyday demands.

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 Cheap Factory Silicon Carbide Crucible Crucible Sio2 Metal Melting Crucible

Frequently Asked Questions About Cheap Factory Silicon Carbide Crucibles

What is a silicon carbide crucible used for?

This crucible melts metals like aluminum, copper, brass, and silver. It works well in foundries, jewelry workshops, and small metal casting jobs. The material handles high heat without breaking easily.

Why choose a silicon carbide crucible over other types?

Silicon carbide is strong and lasts longer than clay or graphite crucibles in many cases. It resists thermal shock, so it won’t crack quickly when heated or cooled fast. It also holds up against chemical reactions from molten metal.

Can I use this crucible with a gas or electric furnace?

Yes. These crucibles work with both gas-fired and electric melting furnaces. Just make sure the temperature stays within the crucible’s safe range—usually up to 1600°C (2912°F). Always follow your furnace instructions too.

How do I extend the life of my crucible?

Heat it slowly during the first use. Avoid sudden temperature changes. Do not overfill it with metal. Clean out leftover slag after each melt. Never drop it or hit it with metal tools. Store it in a dry place when not in use.

Is this crucible really “cheap” without losing quality?

Yes. These are factory-direct products, so the price is low but the material is still pure silicon carbide. They meet standard industrial needs for small to medium operations. You get good performance without paying extra for branding or middlemen markups.