The MEDILAB Conical Flask with Screw Cap is a precision-engineered laboratory vessel designed for safe mixing, culturing, storage, and handling of liquid samples. Its conical shape provides excellent visibility and efficient swirling, while the leak-proof screw cap ensures secure transport and contamination-free storage. Built from high-quality Borosilicate Glass 3.3, this flask offers exceptional chemical, thermal, and mechanical resistance, making it essential for research labs, pharma companies, universities, and QC/QA environments.

Key Features

• Leak-Proof Screw Cap: Ensures safe storage and prevents sample loss or contamination during transport.
• High Clarity Borosilicate Glass 3.3: Superior transparency for easy observation and accurate measurement.
• Thermal Shock Resistant: Can withstand rapid temperature changes during heating, cooling, or autoclaving.
• Durable & Chemical Resistant: Ideal for aggressive chemicals, solvents, and routine laboratory use.
• Precision Graduations (Optional): Clear, permanent markings for approximate measurement and workflow efficiency.
• Stable Flat Base: Provides secure placement on lab benches and hot plates.
• Reusable & Cost-Efficient: Designed for multiple cycles without loss of performance.
• Available with Various Cap Options: Screw caps in PP, GL-thread compatibility, and colour coding (as required).

Material Specifications

• Material: Borosilicate Glass 3.3

Thermal Properties:

• Low thermal expansion coefficient (~3.3 × 10⁻⁶ /°C)
• High thermal shock resistance
• Suitable for autoclaving at 121°C

Chemical Resistance:

• Highly resistant to acids, alkalis, solvents, and laboratory reagents
• Inert and non-reactive with samples

Mechanical Strength:

• Hard, durable, scratch-resistant surface

Manufacturing Standards:

• Conforms to DIN/ISO glassware standards
• GL-thread as per international norms

Technical Specifications

Available Capacities

• As per the standard size table

Dimensions

• Neck: Wide-mouth or narrow-mouth, depending on model
• Thread: GL-series screw thread
• Body: Conical design with flat base

Tolerance/Accuracy

• Approximate capacity
• Graduation accuracy as per DIN/ISO standards (if applicable)

Accessories Provided

• PP screw cap (autoclavable)
• PTFE liner optional
• Glass stopper available on request

Handling & Precautions

• Avoid sudden extreme temperature changes to prevent thermal shock.
• Do not expose the flask to direct flame unless designed for heating support.
• Clean using mild laboratory detergents; avoid abrasive cleaners.
• Suitable for autoclaving at 121°C – ensure the cap is loosened during sterilisation.
• Do not overtighten the screw cap to prevent stress on the neck.
• Store in a dry, clean environment to maintain long-term performance.

 Applications

The Conical Flask with Screw Cap is used extensively in:

• Pharmaceutical & Biotech Labs: Media preparation, sample storage, microbial culturing.
• Chemical & Industrial Laboratories: Mixing, titration, and reagent handling.
• Academic & Research Institutions: General laboratory experiments, analysis, and teaching.
• QC/QA Laboratories: Sample collection, transport, and controlled storage.
• Food & Environmental Testing: Sample preservation, fermentation studies, and solution preparation.

Its secure sealing, durability, and versatility make it an integral part of daily laboratory workflows.