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Boiling stones are essential for safe and efficient heating in laboratory settings. Ensuring you select the right type and quantity can prevent bumping, promote even boiling, and ultimately contribute to accurate experimental outcomes. Investing in quality boiling stones is a crucial step for any laboratory professional.
PREMIUM MATERIAL - Made of high quality glass, which is durable, scratch-resistant, strain point: 440 ℃, softening point: 505 ℃
USE - These glass beads are useful as packing for distillation columns and they can also be used as boiling stones or mixing beads
EXCELLENT PERFORMANCE - Good optical clarity and chemical stability, use in check valves, visual flow equipment, and many lab, high strength
APPLICATION WIDELY - Suitable for chemical plants, pharmaceutical factories, colleges and universities, scientific research units, distillation in the flask to prevent the liquid level boiling
Size：The Boiling Beads diameter 5mm/0.2inch diameter tolerance is about ≤0.02mm. The package includes 500 pieces of beads
Material：The Boiling Beads make by premium non-alkaline soda lime glass, high quality glass
Features:：The Boiling Beads is solid,round, smooth, colorless, transparent, high strength, low wear, good chemical stability, has good durable, resistance to solvent and high-temp,softening point: 941℉/506 ℃
Application Widely：The Boiling Beads suitable for chemical plants, universities and scientific research units
Function：Check valves, visual flow equipment, and many lab, packing for distillation columns model paint mixing, grinding and sanding, distillation in the flask to prevent the liquid level boiling
PREMIUM MATERIAL - Made of high quality glass, which is durable, scratch-resistant, strain point: 440 ℃, softening point: 505 ℃
USE - These glass beads are useful as packing for distillation columns and they can also be used as boiling stones or mixing beads
EXCELLENT PERFORMANCE - Good optical clarity and chemical stability, use in check valves, visual flow equipment, and many lab, high strength
APPLICATION WIDELY - Suitable for chemical plants, pharmaceutical factories, colleges and universities, scientific research units, distillation in the flask to prevent the liquid level boiling
Size - You will get 2000 pieces of glass boiling beads with a diameter of 3mm. Please confirm the ball diameter before ordering.
Material - The solid round clear glass balls are made of glass, offering good chemical and thermal stability. They are also highly strong, resistant to pressure, scratches, and abrasion, making them suitable for frequent laboratory use.
Laboratory Application - The glass boiling beads effectively prevent boiling and splashing during flask distillation, ensuring a safe and controllable distillation process. In gas absorption devices, they act as a buffer, increasing the gas contact area...
Easy to Use - The laboratory glass balls feature a drop-in design and can be directly put into flasks or devices without complicated operation, making them suitable for standard experimental procedures. Please note: For liquids subject to strong boiling...
Other Application - The round glass beads are widely used in a variety of industries due to their versatility, high transparency, and smooth finish. For example, surface treatment processes, grinding and polishing of metals or ceramics, fillers in paints...
Size - You will get 100 pieces of glass boiling beads with a diameter of 12mm. Please confirm the ball diameter before ordering.
Material - The solid round clear glass balls are made of alkali-free soda-lime glass, which has good chemical and thermal stability. Its low sodium content can effectively prevent alkaline corrosion or discoloration on metal surfaces such as stainless...
Laboratory Application - The glass boiling beads effectively prevent boiling and splashing during flask distillation, ensuring a safe and controllable distillation process. In gas absorption devices, they act as a buffer, increasing the gas contact area...
Easy to Use - The laboratory glass balls feature a drop-in design and can be directly put into flasks or devices without complicated operation, making them suitable for standard experimental procedures. Please note: For liquids subject to strong boiling...
Other Application - The sandblasting glass beads are specially used for the sandblasting process, mainly used in matte treatment of stainless steel products, filler of semiconductor packaging glue, and deburring of metal pipes.
Size - You will get 1000 pieces of glass boiling beads with a diameter of 5mm. Please confirm the ball diameter before ordering.
Material - The solid round clear glass balls are made of glass, offering good chemical and thermal stability. They are also highly strong, resistant to pressure, scratches, and abrasion, making them suitable for frequent laboratory use.
Laboratory Application - The glass boiling beads effectively prevent boiling and splashing during flask distillation, ensuring a safe and controllable distillation process. In gas absorption devices, they act as a buffer, increasing the gas contact area...
Easy to Use - The laboratory glass balls feature a drop-in design and can be directly put into flasks or devices without complicated operation, making them suitable for standard experimental procedures. Please note: For liquids subject to strong boiling...
Other Application - The round glass beads are widely used in a variety of industries due to their versatility, high transparency, and smooth finish. For example, surface treatment processes, grinding and polishing of metals or ceramics, fillers in paints...
[Multipurpose Use] - Clear glass beads are widely used in laboratories and industry. They are mainly used for high-efficiency boiling stone, paint and coating mixing, grinding metal media, metal polishing and surface treatment, and flow control in devices...
[Durable Glass Beads] - The boiling stones beads are made of premium soda-lime glass, which has excellent chemical stability, good transparency, high temperature resistance, resistance to corrosion by most solvents, and reliable and long-lasting...
[Size & Package] - The size of the glass beads is 0.2 inches/5mm. The package contains 1000 glass beads
[Advantage] - Round glass beads have a smooth, perfectly spherical surface and can roll freely in liquids, ensuring excellent fluidity and uniformity in mixing and grinding applications. Their smooth and hard surface can minimize accidental wear on...
[Attention] - Avoid dropping cold beads directly into hot liquids to prevent thermal stress from causing cracking. Clean the beads according to the application scenario before use. Clean and store them properly after use
Last update on 2026-08-31 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Boiling Stones
Comparison Tips
When comparing different boiling stones, look beyond just the material. Consider the particle size distribution – a mix of sizes can be beneficial for different applications. Check for inertness; the stones should not dissolve or react with your solvents or reagents. The packaging is also a factor; consider whether you need bulk quantities or smaller, more manageable containers. For sensitive experiments, look for stones specifically designed for high purity applications. Always read product specifications to ensure compatibility with your specific laboratory needs.
Frequently Asked Questions
What are boiling stones used for?
Boiling stones are used to ensure smooth boiling in liquids. They provide nucleation sites, preventing superheating and sudden, dangerous boiling known as bumping.
Can I reuse boiling stones?
Generally, boiling stones are not designed for reuse. Once used, their pores can become clogged with residue, reducing their effectiveness. It's best to use fresh stones for each experiment.
What happens if I don't use boiling stones?
Without boiling stones, liquids can become superheated and boil erratically, leading to bumping. This can cause spills, break glassware, and compromise experimental results.
How many boiling stones should I use?
The number of stones depends on the volume of liquid. A general guideline is to add a few stones to a small volume (e.g., 50-100 mL) and more for larger volumes, ensuring adequate nucleation sites.
Can boiling stones be used with all liquids?
Boiling stones are suitable for most aqueous and organic liquids. However, ensure the stone material is chemically inert and won't react with the specific liquid you are heating.
When should I add boiling stones to my liquid?
Boiling stones must always be added to the liquid *before* heating begins. Adding them to a hot or boiling liquid can cause an immediate and violent eruption.
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