Cork to fit boiling tube cork stopper
$ 11.02 Original price was: $ 11.02.$ 0.08Current price is: $ 0.08.
Cork to Fit Boiling Tube Cork Stopper is a precision-manufactured stopper made from natural or synthetic cork, designed specifically to fit standard boiling tubes. It ensures a snug, secure closure that prevents leaks, contamination, or evaporation during laboratory procedures. These stoppers are essential in both routine and specialized lab applications where temporary sealing of test vessels is required. With good compressibility, mild chemical resistance, and reliable sealing properties, the stopper is a staple in laboratory glassware accessories.
Cork to fit boiling tube cork stopper
Primary Uses
- Laboratory Applications
- Used to seal boiling tubes during sample preparation, reaction, or storage.
- Prevents spillage or evaporation of volatile substances.
- Protects sample integrity by keeping out contaminants.
- Facilitates short-term containment during gentle heating or agitation.
- Used in experimental setups requiring temporary closures.
- Industrial Applications
- Employed in laboratory-scale production for sealing boiling tubes during testing.
- Applied in quality control labs to contain chemical samples.
- Used in R&D departments handling prototype formulations in boiling tubes.
Secondary Uses
- Other Industrial Uses
- Included in lab starter kits and training tools for technicians.
- Serves as a low-cost sealing option in industries dealing with small-scale fluid testing.
1.Basic Identification Attributes
- Product Type: Boiling tube cork stopper
- Material: Natural cork or synthetic composite cork
- Compatibility: Sized to fit standard boiling tubes
2.Physical & Chemical Properties
- Appearance: Tapered cylindrical stopper
- Texture: Compressible, firm
- Heat Resistance: Suitable for mild heating applications
- Chemical Resistance: Resists mild aqueous acids, alcohols, and bases
- Odor: Mild (natural cork variant)
3.Safety & Hazard Attributes
- Toxicity: Non-toxic
- Flammability: Flammable at high temperatures; avoid flame exposure
- Allergen Information: Natural cork may cause mild allergic reactions in sensitive individuals
4.Storage & Handling Attributes
- Storage Conditions: Store in a dry, dust-free environment away from strong solvents
- Container Type: Sealed polybags or cartons
- Handling Precautions: Avoid crushing or overstressing the cork to maintain form
5.Regulatory & Compliance Attributes
- Manufactured in accordance with laboratory equipment safety standards
- Free from regulated heavy metals and hazardous components
6.Environmental & Health Impact
- Biodegradable when made from natural cork
- Environmentally safe when disposed of through standard waste channels
Safety Handling Precautions
- Do not expose to open flame
- Discard if degraded or cracked
First Aid Measures
- Inhalation: Not applicable
- Skin Contact: Wash hands if irritation occurs after handling
- Eye Contact: Flush with water if particles or cork dust enter the eyes
- Ingestion: Not intended for consumption; seek medical attention if swallowed
Firefighting Measures
- Fire Hazards: Combustible; may catch fire in high-heat situations
- Extinguishing Media: Foam, dry chemical, CO₂
- Special Precautions: Prevent spread of fire to nearby flammable lab materials
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.
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 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.
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.
Combustion Boat
Product Description
The Combustion Boat is a small, heat-resistant container typically made of porcelain or quartz, designed to hold samples during combustion analysis. It is used primarily in laboratories to contain solid or powdered samples that are subjected to high temperatures for elemental analysis, especially in organic and inorganic chemistry. The boat withstands extreme temperatures without reacting with the sample, ensuring accurate and uncontaminated results.
Cork to fit test tube
Cork to Fit Test Tube is a conical sealing component made from natural or synthetic cork, designed specifically to fit snugly into standard laboratory test tubes. It ensures a tight seal that prevents contamination, limits evaporation, and maintains sample integrity during storage or handling. Due to its compressible and chemically resistant structure, it is ideal for routine laboratory operations and industrial testing processes. These corks are available in various sizes to accommodate a wide range of test tube diameters and are compatible with both glass and plastic tubes.
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.
Crucible with lid
Crucible with Lid is a heat-resistant container used in laboratories and industries to heat, melt, or calcine substances at very high temperatures. Typically made from materials such as porcelain, alumina, or graphite, these crucibles can withstand thermal shock and chemical corrosion. The accompanying lid helps contain the sample, minimize contamination, and reduce material loss during heating or combustion processes.

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
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