Professional industry ceramic supplier, silicon nitride, silicon carbide, aluminum nitride and any other kinds of ceramics.
PRODUCT PARAMETERS
Description
Overview of Whole Ceramic Fire Assay Crucible and Cupel Made of Fire Clay for Gold Assaying and Metals Melting
Whole Ceramic Fire Assay Crucible and Cupel Made of Fire Clay for Gold Assaying and Metals Melting are specialized containers designed for withstanding extremely high temperatures in laboratory and industrial settings. They are essential for processes such as melting, calcining, and heat-treating a wide variety of materials, including metals, glasses, and chemicals. Our crucibles are engineered for superior thermal stability and chemical resistance, ensuring purity and reliability in the most demanding applications.
Features of Whole Ceramic Fire Assay Crucible and Cupel Made of Fire Clay for Gold Assaying and Metals Melting
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Exceptional Thermal Shock Resistance: Withstands rapid temperature changes without cracking, ensuring durability and a long service life.
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High-Temperature Stability: Maintains structural integrity at extreme temperatures, often exceeding 1500°C.
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Excellent Chemical Inertness: Resists corrosion and reaction with molten metals, acids, and aggressive chemical fluxes.
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High Purity & Low Contamination: Manufactured from premium materials to prevent sample contamination during sensitive processes.
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Optimized Thermal Properties: Designed for efficient heat transfer and consistent performance in furnace environments.
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Robust Mechanical Strength: Offers good resistance to physical impact and abrasion during handling and use.
Specifications of Whole Ceramic Fire Assay Crucible and Cupel Made of Fire Clay for Gold Assaying and Metals Melting
These crucibles and cupels are crucial tools for fire assay work. You require them to accurately check gold and various other precious metals. They are also crucial for melting different steels in high warmth. These crucibles are made from whole ceramic product. This material is extremely solid and takes care of severe temperature levels well. They come in different dimensions, like 30 gram or 60 gram capabilities. The dimension depends upon your sample amount. These crucibles stand up to intense warmth inside the furnace. They will not split quickly under thermal shock. The ceramic stands up to chemical assault from changes and molten metals. This maintains your thaw pure and prevents contamination. You can reuse them numerous times if taken care of meticulously.
Cupels are made from fire clay. They soak up lead oxide and other pollutants throughout appraising. The fire clay develops a porous framework. This porosity is essential for absorption. Cupels are available in basic dimensions, suitable assay heating systems properly. Usual sizes are number 4 or number 5. The fire clay withstands the scorching heat of the assay process. It won’t break down prematurely. Like the crucibles, good cupels stand up to chemical reactions. This guarantees precise separation of precious metals. Utilizing the ideal cupel warranties clean outcomes.
Both crucibles and cupels are built difficult. They survive the severe problems of fire assaying. Their materials withstand spalling from quick temperature level adjustments. This longevity indicates fewer replacements. Correct care prolongs their life-span. Always handle them properly. Store them in a completely dry area. They are necessary for trustworthy rare-earth element analysis and melting.
Applications of Whole Ceramic Fire Assay Crucible and Cupel Made of Fire Clay for Gold Assaying and Metals Melting
Our fire clay crucibles and cupels take care of intense warmth for gold evaluation and metal melting. Gold assaying depends on fire assay. This technique uses heats to separate gold from various other materials. Our crucibles hold samples throughout this process. They hold up against the extreme heat required. Crucibles include the blend securely. The cupel plays a vital role later on. Molten steel obtains poured right into the cupel. The cupel absorbs unwanted base steels. Rare-earth elements like gold remain on top. This splitting up is vital for accurate outcomes. You get a pure gold grain to evaluate. Recognizing the gold material is critical. Miners and refiners rely on this accuracy. Our products are made from unique fire clay. This clay endures duplicated thermal shock. Crucibles will not break under quick home heating or air conditioning. Cupels maintain their shape when taking in contaminations. Consistent performance issues for trusted assays. These things are likewise wonderful for melting steels. Jewelers thaw gold and silver in them. Enthusiasts use them for little metal tasks. The high heat resistance makes them functional. They are crucial tools for anyone working with precious metals. Our crucibles and cupels deliver trustworthy results whenever.
Company Profile
Tanki New Materials Co.Ltd. focus on the research and development, production and sales of ceramic products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2015, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.
Our products includes but not limited to Aerogel, Aluminum Nitride, Aluminum Oxide, Boron Carbide, Boron Nitride, Ceramic Crucible, Ceramic Fiber, Quartz Product, Refractory Material, Silicon Carbide, Silicon Nitride, ect. 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 Whole Ceramic Fire Assay Crucible and Cupel Made of Fire Clay for Gold Assaying and Metals Melting
What are these crucibles and cupels made of? They use fire clay. This material handles intense heat well. It withstands the high temperatures needed for melting precious metals. Fire clay is common for this job.
What is the main use? These are for fire assay. That’s a method to find out how much gold or silver is in a sample. The crucible holds the sample and flux mix while it melts. The cupel catches the molten metal bead after melting. People also use them for melting other metals separately.
How hot can they get? They handle very high heat. Fire clay crucibles and cupels can take temperatures over 2000 degrees Fahrenheit. This is hotter than what melting gold or silver requires. They stay strong and don’t break down.
Can I use them again? Usually, no. They are single-use items. The intense heat and chemical reactions during melting damage the material. After one assay or melt, they are often cracked or spent. It’s safer and more reliable to use new ones each time.
Are they okay for all metals? Mostly for precious metals like gold and silver. They are designed for the fire assay process involving these. Some other metals might be okay. Aggressive base metals or alloys could harm the ceramic faster. Check if your specific metal is suitable.
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