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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.
Cork to fit test tube
Primary Uses
- Laboratory Applications
- Used to securely seal test tubes during experiments involving heating, mixing, or storage.
- Prevents contamination of biological or chemical samples in microbiology and chemistry labs.
- Essential in temporary closure of test tubes during centrifugation or short-term incubation.
- Employed in test tube-based titration, dilution, and sampling procedures.
- Helps reduce solvent loss and exposure during sensitive analytical testing.
- Industrial Applications
- Used in industrial R&D and quality control labs for test tube sample sealing.
- Employed in material testing environments requiring isolation of small-scale samples.
- Supports sample preservation in environmental testing and pharmaceutical prototyping.
Secondary Uses
- Other Industrial Uses
- Common in technician starter kits for training and lab setups.
- Applied in short-term sample containment in mobile testing labs and field kits.
1. Basic Identification Attributes
- Product Type: Test Tube Cork Stopper
- Material: Natural cork or synthetic cork composite
- Shape: Tapered to fit various test tube sizes
2. Physical & Chemical Properties
- Appearance: Light brown (natural) or beige (synthetic) with slight surface grain
- Texture: Compressible and lightweight
- Heat Resistance: Suitable for mild heating applications
- Chemical Resistance: Resistant to alcohols, mild acids, and bases
- Odor: Neutral or slightly woody
3. Safety & Hazard Attributes
- Toxicity: Non-toxic; inert under standard conditions
- Flammability: Flammable when exposed to direct flame
- Allergen Information: Natural cork may trigger allergic reactions in sensitive individuals
4. Storage & Handling Attributes
- Storage Conditions: Store in dry, cool areas away from chemicals and heat
- Container Type: Polybags, cartons, or cork racks
- Handling Precautions: Avoid crushing or prolonged soaking in solvents
5. Regulatory & Compliance Attributes
- Compliant with general laboratory equipment material safety guidelines
- Manufactured under controlled conditions to ensure dimensional consistency
6. Environmental & Health Impact
- Natural cork is biodegradable and environmentally friendly
- Low ecological risk during disposal
Safety Handling Precautions
- Handle with care to avoid fragmenting or splintering
- Replace damaged or degraded corks immediately
First Aid Measures
- Inhalation: Not applicable
- Skin Contact: Wash with soap and water after prolonged handling
- Eye Contact: Flush with water if cork debris enters eye
- Ingestion: Not intended for ingestion; seek medical attention if swallowed
Firefighting Measures
- Fire Hazards: Flammable cork material
- Extinguishing Media: Foam, dry chemical, carbon dioxide
- Special Precautions: Keep away from flames or heat sources
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copper connecting wire
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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 boiling tube cork stopper
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 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.
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.
