Overview of Refractory Gold Melting Quartz Fused Silica Ceramic Crucible Cup

Quartz ceramic, also known as fused silica ceramic, is a high-performance technical ceramic composed primarily of silicon dioxide (SiO₂) in a non-crystalline state. It is manufactured by fusion and controlled cooling of high-purity silica, resulting in a material that combines the best properties of glass and traditional ceramics. Our quartz ceramic products are engineered to deliver exceptional stability, purity, and performance in the most demanding industrial applications.

Features of Refractory Gold Melting Quartz Fused Silica Ceramic Crucible Cup

Extreme Thermal Shock Resistance: Due to its extremely low coefficient of thermal expansion (CTE), quartz ceramic can withstand rapid temperature changes without cracking.

Low Thermal Conductivity: Acts as an excellent thermal insulator, protecting surrounding components from high heat.

High Chemical Purity: Typically >99.9% SiO₂, making it inert to most acids and resistant to corrosion.

Dielectric Strength: Excellent electrical insulator even at high temperatures and high frequencies.

High Refractoriness: Retains its shape and strength at continuous operating temperatures up to 1100°C.

Specifications of Refractory Gold Melting Quartz Fused Silica Ceramic Crucible Cup

Refractory Gold Melting Quartz Fused Silica Porcelain Crucible Cup– Item Specifications

Product Structure

This crucible cup is made from high-purity fused silica. The product includes over 99.9% SiO TWO. It has extremely reduced degrees of impurities like iron, light weight aluminum, and alkali steels. This pureness aids stop contamination during gold melting.

Temperature level Resistance

The crucible can deal with constant usage at temperatures approximately 1,200 ° C( 2,192 ° F). Its temporary top tolerance gets to 1,650 ° C( 3,002 ° F). It maintains structural stamina also under fast home heating or cooling cycles.

Thermal Shock Efficiency

Fused silica provides superb resistance to thermal shock. The crucible will certainly not break conveniently when moved from cool to hot settings– or the other way around. This makes it trusted for duplicated melting procedures.

Chemical Security

Solid chemical inertness ensures the crucible does not react with liquified gold or usual fluxes. It resists strike from acids (except hydrofluoric acid) and most metal oxides. This stability maintains your melt clean and regular.

Physical Properties

– Density: 2.2 g/cm ³.
– Hardness: 5.5– 6.5 on Mohs range.
– Coefficient of thermal growth: Very low (0.55 × 10 ⁻⁶/ ° C).
– Porosity: Almost no– non-porous surface avoids steel absorption.

Layout and Dimensions

Readily available in standard sizes from 50 ml to 500 ml capacity. Wall surface thickness varies from 3 mm to 6 mm, relying on dimension. Each mug includes a smooth interior surface to ease pouring and lower residue accumulation. Custom forms or quantities can be produced upon request.

Applications

Perfect for melting, holding, and casting pure gold, gold alloys, silver, platinum, and various other precious metals. Extensively used in jewelry workshops, little foundries, and laboratory setups where metal pureness and process dependability matter.

Applications of Refractory Gold Melting Quartz Fused Silica Ceramic Crucible Cup

Applications of Refractory Gold Melting Quartz Fused Silica Porcelain Crucible Mug

High-Temperature Gold Melting

The quartz merged silica ceramic crucible mug takes care of extreme heat without damaging down. It functions well for melting gold and various other rare-earth elements. Its pure silica structure stands up to chain reactions. This keeps the thawed steel tidy and without contamination.

Regular Efficiency in Foundries

Factories depend on this crucible for repeated melting cycles. The product stays stable also after numerous usages at heats. It does not break or warp conveniently. That implies much less downtime and less replacements during manufacturing runs.

Suitable for Fashion Jewelry Casting

Jewelers utilize this crucible when casting great gold items. The smooth internal surface area assists pour molten gold cleanly into molds. No undesirable fragments blend right into the steel. This causes sharp, in-depth castings with a refined coating.

Compatibility with Induction and Gas Furnaces

This crucible works in both induction and gas-fired heating systems. It heats evenly and holds temperature well. Operators obtain foreseeable outcomes every single time they melt gold. The layout fits conventional heater configurations without needing special adjustments.

Low Thermal Growth for Safety And Security

Quartz merged silica broadens very little when heated up. This reduces the threat of abrupt damage during heating or air conditioning. Workers stay more secure, and equipment lasts much longer. The crucible additionally cools off without buckling or establishing weak spots.

Perfect for Small-Scale and Industrial Use

Whether you run a small workshop or a large refining procedure, this crucible meets your requirements. It is available in numerous sizes to match various set quantities. Its longevity makes it cost-efficient gradually. Individuals get trusted performance without consistent surveillance or maintenance.

Company Introduction

Welcome to Eduloc, a leading global supplier of high-quality ceramic grinding balls. Our product range includes,Mullite Ceramic, Quartz Ceramic, Aluminum Nitride Ceramic, Silicon Nitride Ceramic, Silicon Carbide Ceramic designed for industries such as mining, chemicals, coatings, electronics, and pharmaceuticals. We are committed to providing durable and efficient grinding solutions tailored to our customers’ diverse needs. With advanced manufacturing technology and stringent quality control, our ceramic grinding balls excel in wear resistance, corrosion resistance, and thermal stability. Partner with us for reliable products and exceptional service that enhance your production efficiency and reliability.

If you have any questions, please feel free to contact us.

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Refractory Gold Melting Quartz Fused Silica Ceramic Crucible Cup

Frequently Asked Questions

What is this crucible made of?

This crucible is made from high-purity fused silica. It contains over 99.9% silicon dioxide. The material is formed through a special melting process that removes impurities. This gives the crucible excellent heat resistance and chemical stability.

Can it handle high temperatures?

Yes. It can work continuously at temperatures up to 1,200°C (2,192°F). Short-term exposure can go even higher, around 1,650°C (3,002°F). The crucible stays strong and does not deform under normal gold melting conditions.

Is it safe for melting gold?

Absolutely. Fused silica does not react with molten gold or common gold alloys. It will not introduce unwanted elements into your melt. This helps keep your gold pure and clean during casting or refining.

How long will it last?

Lifespan depends on how you use it. Avoid sudden temperature changes and physical shocks. With proper handling—like slow heating and cooling—it can be reused many times. Most users get dozens of melts before noticing any wear.

How should I heat and cool it?

Always heat the crucible slowly. Start at low heat and raise the temperature gradually. Do not place a cold crucible directly into a hot furnace. After use, let it cool naturally in the furnace or on a heat-resistant surface. Never quench it in water or expose it to cold air right after heating. This prevents cracking and extends its life.