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.

(High purity SiO2 quartz ceramic silica crucible bowl for melting gold and silver jewelry)

Specifications of High purity SiO2 quartz ceramic silica crucible bowl for melting gold and silver jewelry

This is our high purity SiO2 quartz ceramic crucible dish. It’s produced melting gold and silver precious jewelry. The product is fused silica. It has over 99.99% pure silicon dioxide. This extreme purity matters. It stops contamination of your rare-earth elements. Pollutants can ruin silver or gold. This crucible stays clear of that.

It handles very high heat. Use it securely approximately 1750 degrees Celsius. That’s well above silver and gold melting points. It likewise handles unexpected temperature modifications well. Home heating or cooling promptly won’t split it conveniently. This thermal shock resistance is necessary. You might require to warm the crucible quick. It will not damage from thermal stress and anxiety.

The crucible is very secure chemically. It withstands acids and bases. Molten gold or silver won’t react with it. Your thaw remains pure. The crucible surface area is smooth. Molten steel drains easily. No residue sticks within. This makes pouring very easy. You get all your metal out.

We provide numerous sizes. Select small ones for small amounts. Utilize big ones for bigger batches. Usual dimensions are 20ml, 50ml, 100ml, 250ml, 500ml, 1000ml, 2000ml, 3000ml, 5000ml. Wall surface thickness differs. Thicker wall surfaces are stronger. Thinner walls warmth much faster. Choose what fits your heater and job.

The crucible looks clear or milklike white. It feels hard and lustrous. It lasts numerous thaws. It’s solid against wear. Manage it very carefully. Prevent tough effects. Don’t drop it. Do not cool it also quickly after heating. Extreme thermal shock can still harm it. Adhere to basic security. Use correct tongs. Put on safety gear.

(High purity SiO2 quartz ceramic silica crucible bowl for melting gold and silver jewelry)

Applications of High purity SiO2 quartz ceramic silica crucible bowl for melting gold and silver jewelry

High pureness SiO2 quartz ceramic silica crucible bowls are vital for thawing silver and gold precious jewelry. These crucibles take care of the extreme warmth required. They are made from almost pure silica sand. This purity is critical. Contaminants spoil rare-earth elements. Impurities transform color or weaken the metal. You get inadequate results. A high pureness crucible prevents this. It keeps your silver and gold tidy.

These crucibles withstand really heats conveniently. Silver and gold thaw warm. Quartz ceramic handles this warm well. It does not break under abrupt temperature level changes either. Relocating from the heater to air is difficult. Great crucibles survive thermal shock. They last much longer. You save cash changing them much less typically.

The smooth surface area inside the bowl matters. Molten steel drains cleanly. Much less metal sticks inside. You shed much less useful product. Every bit of silver or gold counts. The shape helps put properly. You regulate the steel flow right into mold and mildews. This minimizes waste and mistakes.

Sturdiness is an additional key point. Quartz ceramic is difficult. It stands up to chemical strike from liquified metal. The crucible does not degrade quickly. You can use it often times. It does accurately each melt. This uniformity is vital for professional precious jewelry making. You trust your tools. These crucibles supply reputable results set after set. They are important for top quality work.

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 SiO2 quartz ceramic silica crucible bowl for melting gold and silver jewelry

What material is the crucible made from?
This crucible uses pure fused quartz. Fused quartz means melted silica crystals. The silica purity is over 99.95%. This high purity prevents contamination. Your melted gold or silver stays clean.

How hot can this crucible get?
It handles extreme heat very well. You can use it safely above 1700°C (3092°F). This is hotter than needed for melting gold or silver. It won’t crack under normal melting temperatures.

Why use quartz instead of graphite or clay?
Quartz offers key advantages. It doesn’t react with molten gold or silver. It leaves no ash or carbon residue. Quartz crucibles cool down faster than graphite. This speeds up your work. Quartz also lasts longer with proper care.

Can I reuse this crucible?
Yes, you can reuse it multiple times. Handle it carefully when hot. Let it cool down slowly after use. Avoid sudden temperature changes. Inspect it for cracks before each use. A cracked crucible is unsafe.

How do I clean the crucible?
Cleaning is simple. Let the crucible cool completely first. Remove any leftover metal carefully. Use a small tool. Soak the crucible in diluted hydrofluoric acid for stubborn stains. Rinse it very well with water afterward. Dry it thoroughly before storing.

(High purity SiO2 quartz ceramic silica crucible bowl for melting gold and silver jewelry)