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 & RetardersSale
Aluminum hydroxide
Original price was: $ 1.89.$ 1.78Current price is: $ 1.78.
Bernoulli Tube Apparatus
Original price was: $ 29.02.$ 28.98Current price is: $ 28.98.
Bell Jar with Knob
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
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
Amber Bottles Polystop
Amber Bottles Polystop are durable, amber-colored glass bottles equipped with polystop closures designed to provide excellent protection against light-sensitive contents. The amber tint helps protect contents from UV light degradation, making these bottles ideal for storing pharmaceuticals, essential oils, chemicals, and laboratory reagents. The polystop closure ensures a secure, airtight seal to preserve product integrity, prevent contamination, and maintain freshness. These bottles are widely used in pharmaceutical, cosmetic, and chemical industries due to their reliability and protective qualities.
Amber laboratory reagent bottles
Amber Laboratory Reagent Bottles are high-quality glass containers designed specifically for storing light-sensitive reagents and chemicals in laboratory settings. The amber color provides effective protection against ultraviolet (UV) and visible light that can degrade sensitive compounds. These bottles feature durable construction with chemical-resistant glass and secure closures to maintain sample integrity and prevent contamination. Commonly used in chemical, pharmaceutical, and research laboratories, Amber Laboratory Reagent Bottles ensure safe, reliable storage and handling of a wide range of reagents.
Aspirator Bottle Glass
Aspirator Bottle Glass is a durable, high-quality glass container designed specifically for use in laboratory suction and aspiration systems. These bottles are engineered to safely collect and contain liquids and aerosols during filtration, vacuum, or aspiration procedures. Made from chemically resistant glass, Aspirator Bottles offer excellent clarity and durability while withstanding the rigors of laboratory use. They typically feature secure screw caps or stopper closures that ensure leak-proof performance and easy handling. Widely used in medical, research, and industrial laboratories, Aspirator Bottle Glass is essential for safe fluid management in various applications.
Beaker Plastic
Beaker Plastic is a durable laboratory container made from high-quality, chemical-resistant plastic materials such as polypropylene or polystyrene. It is designed for mixing, measuring, and holding liquids in laboratory and industrial settings. The plastic beaker offers lightweight, shatter-resistant performance, making it ideal for routine lab work, sample preparation, and general handling of non-corrosive chemicals. It features clear or translucent walls with graduated markings for approximate volume measurement.
Centrifuge tubes
Centrifuge Tubes are specially designed containers used for holding samples during centrifugation. Made from high-quality, chemically resistant plastic or glass, these tubes withstand the high centrifugal forces generated during lab procedures. Available in various volumes and designs, including conical bottoms for easy sediment collection, centrifuge tubes are essential for separating components in biological, chemical, and industrial samples. They are compatible with a wide range of centrifuge models and ensure sample integrity and safety during processing.
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.
Cotton twine
Cotton Twine is a versatile filament made from twisted strands of natural cotton fibers. It is soft yet durable, offering flexibility and strength for binding, tying, or securing items in both laboratory and industrial environments. Cotton twine is non-abrasive, lint-minimal, and chemically inert to most laboratory reagents, making it suitable for specimen tying, light bundling, or general-purpose securing within controlled settings.
Deflagrating Spoon with lid
The Deflagrating Spoon with Lid is a specialized laboratory tool designed for safe combustion and thermal decomposition experiments. It features a heat-resistant spoon fitted with a secure, removable lid to contain and control the release of gases and flames during reactions. Commonly used in chemical demonstrations and analytical labs, this apparatus enhances user safety by minimizing exposure to reactive vapors and preventing splatter. Made from high-grade stainless steel or alloy, it ensures durability, thermal stability, and chemical resistance for repeated high-temperature use in both laboratory and industrial settings.
