Aluminum hydroxide
$ 1.89 Original price was: $ 1.89.$ 1.78Current price is: $ 1.78.
Bernoulli Tube Apparatus
$ 29.02 Original price was: $ 29.02.$ 28.98Current price is: $ 28.98.
Bell Jar with Knob
$ 29.50 Original price was: $ 29.50.$ 29.41Current price is: $ 29.41.
Whatsapp Order
Bell Jar with Knob is a dome-shaped vacuum accessory used to enclose and isolate experimental setups under reduced pressure. Made from thick borosilicate glass or impact-resistant acrylic, it features an integrated knob at the top for safe handling and positioning over vacuum plates. Its transparent body allows full visibility of internal processes while maintaining structural integrity under vacuum. Commonly used in laboratory and industrial applications, it supports vacuum experiments, sample isolation, degassing, and pressure-related demonstrations.
Description
Table of Contents
Toggle
Bell Jar with Knob
Primary Uses
- Laboratory Applications
- Used in vacuum experiments to study pressure effects on materials.
- Employed in vacuum filtration and drying procedures.
- Utilized for demonstrating physical phenomena like sound transmission in vacuum.
- Acts as a chamber for chemical reactions conducted under low pressure.
Secondary Uses
- Industrial Applications
- Used in vacuum-assisted material testing for porosity and structural response.
- Applied in production labs for drying polymers, adhesives, and coatings.
- Supports degassing operations for chemicals and resins.
- Integrated in vacuum packaging processes for small-batch or prototype production.
KEY PRODUCT FEATURES
1.Basic Identification Attributes
- Component Type: Bell Jar with Knob
- Material: Borosilicate Glass or Acrylic
- Function: Provides sealed vacuum chamber for experiments and testing
2.Physical & Chemical Properties
- Shape: Dome with flat rim and top-mounted knob
- Transparency: Clear for visual observation
- Pressure Resistance: Withstands standard laboratory vacuum pressures
- Compatibility: Used with rubber gaskets and vacuum plates
3.Safety & Hazard Attributes
- Mechanical Risks: Breakage under impact or vacuum failure; use protective shielding
- Toxicity: Non-toxic materials
- Allergens: None identified
4.Storage & Handling Attributes
- Storage Conditions: Store upright in padded, clean, and dry environment
- Handling Precautions: Handle with gloves; avoid mechanical shock or sudden pressure changes
5.Regulatory & Compliance Attributes
- Manufactured to laboratory safety equipment standards
- Quality tested for structural and vacuum performance
6.Environmental & Health Impact
- Recyclable materials depending on type (glass or acrylic)
- Minimal environmental impact when disposed properly
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- Wear gloves and safety goggles during use
- Avoid rapid pressurization or depressurization to prevent implosion
First Aid Measures
- Cuts from glass: Clean with water and disinfect; seek medical attention if deep
- No chemical risk; standard wound care applicable
Firefighting Measures
- Fire Hazard: Non-flammable
- Extinguishing Media: Not applicable
- Special Precautions: None required
Related products
Aluminum Dissecting Pan with wax
$ 18.19
Aluminum Dissecting Pan with Wax is a durable, lightweight pan designed specifically for dissection and specimen preparation in laboratory, educational, and research settings. The pan features a sturdy aluminum base combined with a layer of wax that securely holds biological specimens in place during dissection. This design provides an easy-to-clean, reusable workspace that enhances precision and control for students, educators, and scientists. Its corrosion-resistant aluminum construction ensures longevity and resistance to chemicals typically used in dissection.
Beaker Hysil
Beaker Hysil is a high-quality borosilicate glass laboratory beaker known for its excellent thermal resistance, chemical durability, and mechanical strength. It is designed for use in various scientific and industrial laboratory applications requiring heating, mixing, and measuring of liquids. The clear, transparent body allows easy observation of contents, and graduated markings provide approximate volume measurements. Beaker Hysil is widely used in educational, research, and industrial laboratories.
Burette stand for drying
The Burette Stand for Drying is a laboratory accessory designed to securely hold burettes in an upright position during drying and storage. Made from durable, corrosion-resistant materials such as stainless steel or coated metal, the stand ensures stability and prevents damage or contamination of delicate glassware. Its design facilitates proper air circulation, promoting efficient drying and maintaining the cleanliness of burettes between uses.
Burette Stop cork
Product Description
The Burette Stop Cork is a laboratory accessory designed to securely seal the open end of a burette, preventing liquid leakage and contamination during titration and other laboratory procedures. Made from high-quality, chemical-resistant cork or synthetic materials like rubber or silicone, it offers a snug fit for various burette sizes. The stop cork ensures controlled flow and precise measurement by allowing easy manipulation of the burette’s liquid contents.
conical flask
Conical flasks, also known as Erlenmeyer flasks, are widely used laboratory glassware characterized by a flat bottom, conical body, and a narrow neck. Made typically from borosilicate glass, they are designed to hold, mix, and heat liquids safely. The narrow neck helps reduce evaporation and splashing during experiments. Conical flasks are essential for titrations, culturing microorganisms, and general solution preparation in laboratories and industrial settings.
Cork to fit boiling tube cork
Cork to fit boiling tube cork is a precision-cut natural or synthetic cork designed to seal boiling tubes securely in laboratory settings. These corks provide an airtight seal while resisting mild heat and chemical exposure typically encountered in general lab procedures. They help prevent contamination, evaporation, or spillage of contents during storage, gentle heating, or experimental handling. Available in various diameters, these corks are essential for maintaining experimental integrity in both research and industrial laboratories.
Cork to fit conical flask
Cork to Fit Conical Flask is a tapered sealing component made from natural or synthetic cork, designed to provide a snug, airtight closure for conical (Erlenmeyer) flasks. These stoppers are essential for laboratory procedures requiring the containment of samples, prevention of evaporation, or protection from airborne contaminants. Their compressibility, resistance to mild chemicals, and reusability make them ideal for both general lab work and industrial testing environments. The corks are precisely sized to fit standard flask openings, ensuring compatibility with a wide range of flask volumes.
Crocodile Clips
Crocodile Clips are versatile electrical connectors featuring serrated jaws to securely grip wires or terminals. Commonly made from copper or brass with a nickel or chrome plating, these clips ensure reliable conductivity and mechanical stability. Widely used in laboratory and industrial settings for quick temporary electrical connections, testing, and circuit prototyping.

Preservatives(food)
Flavor Enhancers
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Fresh Herbs
Ground Spices
Whole Spices
Spice Blends
Dried Herbs
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders