Crucibles are essential tools in laboratories for high-temperature applications like melting, burning, and analyzing substances. Selecting the correct crucible ensures accurate results, prevents contamination, and maintains safety during critical experimental procedures. Understanding the various types and their properties is key to making an informed purchase.
Looking for the best Lab Crucibles?
Discover now our comparison of the best Lab Crucibles. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Lab Crucibles are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Lab Crucibles in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
No. 1
QiMan Lab Crucibles Quartz Crucibles with Lids Cylindrical Crucibles（10ml）
- Purity: >99.99% SiO2. Quartz crucibles are recommended below 1000 °C.
- Quartz material: one-piece molding design matching cover.
- Fine craftsmanship: smooth surface, the product is beautiful and texture.
- Smooth placement: rounded and smooth bottom of the cup, easy to realize smooth placement.
- Meticulous observation: quartz glass, the interior is clearly visible, high transparency.
No. 2
QWORK Lab Porcelain Crucible with Lid, 6 Pack, 50ml Capacity, White, Smooth Surface, for Laboratory School to...
- High Quality: Made of high-quality ceramics, with high temperature resistance, can hold 1200℃ temperature.
- Size: 50ml capacity, 53mm(2 1/16") opening, 32 mm(1 1/4") base, 46mm(1 13/16")tall.
- Advantage: The porcelain crucible is smooth and the heated object is not easy to adhere to the crucible wall, which can ensure the purity of object and easy to clean.
- Application: The porcelain crucible can be used in burning solid matter and evaporation, concentration or crystallization of solution.
No. 3
QWORK Durable Porcelain Crucible with Lid, 100ml Capacity, for School, Laboratory, 6 Pack
- High Quality: Made of durable ceramics, with strong thermal conductivity, chemical resistance and high temperature resistance, can hold 1200℃ temperature.
- Size: 100ml capacity, 62mm(2.44") opening ,35mm(1-3/8") base, 58mm(2-1/4")tall
- Smooth Surface: Smooth surface for the heated object is not easy to adhere to the crucible wall, which can ensure the purity of object and easy to clean.
- Application: The porcelain crucible can be used in burning solid matter and evaporation, concentration or crystallization of solution.
No. 4
QWORK Lab Porcelain Crucible with Lid, 2 Pack, 50ml Capacity, White, Smooth Surface, for Laboratory School to...
- High Quality: Made of high-quality ceramics, with high temperature resistance, can hold 1200℃ temperature.
- Size：50ml capacity, 53mm(2 1/16") opening, 32 mm(1 1/4") base, 46mm(1 13/16")tall.
- Advantage: The porcelain crucible is smooth and the heated object is not easy to adhere to the crucible wall, which can ensure the purity of object and easy to clean.
- Application: The porcelain crucible can be used in burning solid matter and evaporation, concentration or crystallization of solution.
No. 5
Quartz Crucibles Lab Crucible with Lids (10 ml, 50 ml, 100 ml; Temperature Tolerance up to 1450 °C) (10ml)
- Heat-Resistant up to 1450 °C;
- Highly Resistant to Acid, Base, and Organic Solvents;
- Crystal Clear Inner and Outer Walls without Any Cracks or Dirty Spots;
- Superior Quality Suitable for Various Chemical Laboratories and Pharmaceutical Applications.
No. 6
United Scientific Supplies SSR020 Crucible, 33mm Top Outside Diameter
- 33mm top outside diameter
- 34mm height
- 20ml capacity
$10.04
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No. 7
Anazous 8 Pieces Ceramic Crucible Kit Include Ceramic Quartz Crucibles Bowl for Melting Gold Silver Copper...
- 【Ceramic Melting Crucible For Flexible Use】ceramic crucibles for melting metal There are 2 crucible bowls for melting gold (each capable of holding 250 grams of melted gold) and 4 upgraded metal melting crucible (each can hold 100 grams of melted...
- 【Innovative Crucible For Melting Metals】 small crucible designed with advanced ceramic technology, our quartz crucible can withstand temperatures up to 5072°F (2800°C), and can be used for high temperature metal melting. It's a crucible for melting...
- 【Multi-Purpose Ceramic Crucible】ceramic gold melting dish can withstand the temperature of up to 5072°F (2800°C), to achieve high temperature melting metal melting kit, metal melting smelting and forging. It provides you with a well-operated jewelry...
- 【Professional Ceramic Melting Pot】 can be: silver melting crucible, crucibles for melting gold, platinum, copper, brass, alloy and other crucibles for melting metal. This gold refining kit provides professional jewelry melting kit for jewelers...
- 【High-Purity Gold Melting Crucible】 It is made of 99.99% high-purity quartz ceramic with high strength, which makes the pressure resistance of cupelling crucible greater than or greater than 70MPa. Therefore, silver melting tools is resistant to high...
No. 8
QWORK Porcelain Crucible with Lid, 100ml Capacity, 2 Pack, for School, Laboratory
- High Quality: Made of high-quality ceramics, with high temperature resistance, can hold 1200℃ temperature.
- Size：100ml capacity, 62mm(2.44") opening ,35mm(1-3/8") base, 58mm(2-1/4")tall.
- Advantage: The porcelain crucible is smooth and the heated object is not easy to adhere to the crucible wall, which can ensure the purity of object and easy to clean.
- Application: The porcelain crucible can be used in burning solid matter and evaporation, concentration or crystallization of solution.
No. 9
8 Inches Crucible Tongs Stainless Steel Professional Grade Crucible SS Casting Tool Lab Tongs
- PROFESSIONAL GRADE - Made of heavy-duty stainless steel, Accurately fabricated parts are flat-jointed and fastened with a spun rivet. Anti-Rust, Anti-Corrosion, Durable: A common chemical instrument to gripping a crucible, holding solid matter heating or...
- Crucible tongs: 8 inches 20cm. Widely used in the laboratory, electric welding, and heating, Also Works great for charcoal grills
- SAFETY DESIGN – Aircraft grade center rivet provides the strongest possible joint. Convenient anti-skid jaws for secure grabbing and handling. Designed for holding crucibles big or small for melting, casting, or refining hot metals.
- Perfect for any science or home laboratory,Useful for grasping hot crucibles, flasks, beakers, or dishes
- In the unlikely event your Item is not upto the mark, contact us and we'll send you a replacement straight away. No ifs, no buts, just awesome customer service.
No. 10
OTOOLWORLD 99.3% Alumina Crucible Al2O3 Assay Crucible for Lab Laboratory (100x40x20MM)
- 99.3% Alumina, and can work maximum 1600℃
- Crucible use temperature: less than or equal to 1600 degrees Celsius. And the heating rate is recommended not to exceed 50 degrees Celsius per minute.
- As the crucible material is the alumina, try to avoid firing and alumina chemical reaction of the test.
- please note that the test process of heating and cooling as slowly as possible. This will extend the service life of the product.
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Last update on 2026-03-26 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Crucibles
Material Matters: Choosing the Right Crucible Composition
The material of a crucible significantly impacts its performance and suitability for different applications. Common materials include:- Ceramic (Alumina, Porcelain): Excellent for general-purpose use, resistant to most acids and bases, and can withstand high temperatures up to 1600°C (2912°F). Ideal for ashing, ignitions, and sample preparation.
- Graphite: Offers superior thermal conductivity and resistance to thermal shock. It's suitable for melting metals and alloys at very high temperatures, often exceeding 2000°C (3632°F). However, graphite can react with certain metals and is porous.
- Platinum: Highly inert and resistant to chemical attack, making it ideal for precise analysis and fusion processes involving aggressive chemicals. It has a high melting point but is significantly more expensive.
- Quartz: Provides excellent thermal stability and resistance to thermal shock, with a high melting point. It's often used in semiconductor manufacturing and specialized high-temperature applications.
Size and Shape Considerations
Crucibles come in various sizes, typically ranging from a few milliliters to several hundred milliliters in capacity. The required size depends on the volume of material you need to process. Shapes also vary, with common forms including cylindrical, conical, and shallow dishes. The shape can affect heat distribution and ease of material handling. Ensure the lid, if included, fits snugly to prevent contamination and evaporation.Frequently Asked Questions
What is the maximum temperature a ceramic crucible can withstand?
Ceramic crucibles, particularly those made from alumina or porcelain, can typically withstand temperatures up to 1600u00b0C (2912u00b0F). This makes them suitable for a wide range of high-temperature laboratory procedures.
Are graphite crucibles suitable for melting precious metals?
Yes, graphite crucibles are excellent for melting precious metals due to their high thermal conductivity and resistance to thermal shock. However, care must be taken as graphite can react with certain molten metals, potentially causing contamination.
When should I consider using a platinum crucible?
Platinum crucibles are recommended for applications requiring extreme chemical inertness and resistance to corrosive substances. They are often used in analytical chemistry for fusions and sample preparations where contamination must be absolutely avoided.
How do I clean a crucible after use?
Cleaning methods depend on the crucible material and the residue. Generally, start with scraping off excess material, followed by washing with appropriate solvents or mild abrasives. For stubborn residues, consult specific cleaning guidelines for the crucible material.
What is thermal shock resistance?
Thermal shock resistance refers to a material's ability to withstand rapid changes in temperature without cracking or breaking. Materials like graphite and quartz generally exhibit good thermal shock resistance, which is crucial for high-temperature applications.
