Overview of Silicon Carbide Crucible

Silicon carbide (SiC) crucibles are advanced ceramic vessels known for their exceptional thermal conductivity, high strength, and resistance to thermal shock. These crucibles can withstand extreme temperatures up to 1600°C and are highly resistant to chemical attack, making them ideal for melting metals, alloys, and other materials in both laboratory and industrial settings.

Features of Silicon Carbide Crucible

High Thermal Conductivity: Efficient heat transfer ensures uniform heating and rapid temperature changes.

Thermal Shock Resistance: Can endure rapid temperature fluctuations without damage.

Chemical Inertness: Resistant to most acids and alkalis, minimizing contamination.

Temperature Range: Operates effectively at temperatures up to 1600°C.

Mechanical Strength: Extremely durable and strong, even under harsh conditions.

Non-Reactive: Does not react with the materials being processed, preserving sample purity.

Long Service Life: Durable construction ensures extended use and reliability.

Specification of High Purity Graphite Crucible For melting polycrystalline silicon

High Pureness Graphite Crucible for Polycrystalline Silicon Thawing

Premium Product, Exceptional Efficiency

This graphite crucible is made from ultra-high purity graphite. The product has much less than 10 parts per million (ppm) of total metal impurities. This reduced contamination degree protects against contamination throughout silicon melting. It guarantees the last polycrystalline silicon fulfills stringent semiconductor or solar-grade criteria.

The crucible features a thick, consistent framework. This offers it strong resistance to thermal shock and mechanical stress and anxiety. It can handle duplicated heating and cooling down cycles without fracturing or flawing. Its smooth inner surface minimizes silicon sticking and makes cleaning much easier after use.

Enhanced Design for Industrial Usage

We make this crucible specifically for directional solidification and spreading processes. Its form and wall thickness are crafted to sustain also warmth distribution. This helps control crystal growth and improves ingot quality.

The crucible works well in temperature levels up to 1600 ° C in inert or vacuum atmospheres. It preserves architectural honesty throughout long melting runs. Each unit undergoes rigorous high quality look for measurements, thickness, and pureness before shipping.

Key Features:
– Pureness: ≥ 99.999% carbon
– Ash material: ≤ 10 ppm
– Apparent thickness: ≥ 1.72 g/cm ³.
– Compressive strength: ≥ 80 MPa.
– Custom sizes available upon demand.

Manufacturers count on this crucible for consistent efficiency in premium silicon manufacturing. Its dependability lowers downtime and product waste. That leads to reduced operating costs and higher return rates.

Applications of High Purity Graphite Crucible For melting polycrystalline silicon

High Purity Graphite Crucibles for Polycrystalline Silicon Melting

Why Purity Issues

Thawing polycrystalline silicon demands severe cleanliness. Also tiny pollutants can ruin the end product. That’s why high pureness graphite crucibles are important. These crucibles include over 99.99% pure carbon. They launch practically no pollutants during high-temperature operations.

Built for Extreme Warm

Polycrystalline silicon thaws at around 1414 ° C. Requirement containers fall short at such temperature levels. High purity graphite crucibles manage warm up to 3000 ° C without warping. Their strong thermal shock resistance suggests they won’t fracture when heated or cooled down swiftly. This security keeps the melting procedure smooth and safe.

Smooth Communication with Molten Silicon

Graphite has reduced reactivity with molten silicon. It does not easily develop unwanted compounds. This aids maintain the chemical integrity of the silicon. The crucible surface additionally permits very easy putting and tidy release after solidification. Much less residue means much less waste and much better return.

Long Service Life

These crucibles last longer than alternatives. Their thick structure resists erosion from repeated melting cycles. Customers replace them less usually, reducing downtime and costs. Regular performance batch after batch sustains reliable production timetables.

Utilized Across Trick Industries

Solar panel makers depend on these crucibles to produce high-grade silicon ingots. Semiconductor suppliers use them for resources filtration. Both fields require materials that fulfill rigorous electronic-grade standards. High purity graphite crucibles provide that consistency whenever.

Secret Features:
– Ultra-low ash content (< 10 ppm). - Excellent thermal conductivity. - Uniform thickness and grain framework. - Customized shapes and sizes offered. These crucibles are not just containers-- they are crucial devices in making clean, reliable silicon for tomorrow's modern technology.

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 Graphite Crucible For melting polycrystalline silicon

High Purity Graphite Crucible for Melting Polycrystalline Silicon – Frequently Asked Questions

What is a high purity graphite crucible used for?

This crucible melts polycrystalline silicon. It works in high-temperature environments like crystal growth furnaces. The material must stay stable and clean during melting to avoid contaminating the silicon.

Why does purity matter in graphite crucibles?

Impurities in graphite can mix into the molten silicon. This lowers the quality of the final product. High purity graphite has very low levels of ash, metals, and other contaminants. That keeps the silicon clean and efficient for solar or semiconductor use.

How does this crucible handle extreme heat?

Graphite stays strong even above 2000°C. It resists thermal shock well. This means it won’t crack easily when heated or cooled quickly. The structure remains intact through repeated melting cycles.

Can the crucible be reused?

Yes, but with care. After each use, check for cracks or surface wear. Clean it properly to remove any residue. Reuse depends on operating conditions and handling. Over time, erosion may require replacement.

What makes your graphite crucible different?

We use ultra-refined raw materials and strict production controls. Each batch is tested for purity, density, and strength. The result is a crucible that performs consistently in demanding silicon melting processes. Customers get reliable performance and fewer impurities in their end products.