MEDILAB Tubes Culture Media (Flat Bottom) are premium-quality borosilicate glass tubes designed for preparing, storing, and culturing microbiological media in research and industrial laboratories. Their flat-bottom construction ensures stable placement on benchtops and incubator racks, offering ease of handling during inoculation, mixing, and observation. These media tubes are essential for microbiology, cell culture, and biochemical testing where clarity, chemical resistance, and reproducible results are critical.

Key Features

• Flat-bottom design for stable placement without the need for racks.
• Manufactured from high-clarity Borosilicate Glass 3.3 for excellent visibility and accurate observation of growth.
• High resistance to thermal shock, chemicals, and repeated sterilisation cycles.
• Smooth, uniform wall thickness ensures consistent performance across batches.
• Leak-proof compatibility with rubber and screw caps (optional).
• Suitable for autoclaving and high-temperature media preparation.
• Ideal for long-term storage and repeated culture transfers.
• Available in multiple sizes suitable for microbiology, biotechnology, and analytical applications.

Material Specifications

• Material: Borosilicate Glass 3.3
• Thermal Properties:
  Low thermal expansion coefficient for high resistance to thermal shock
  Safe for direct heating, autoclaving, and boiling
• Chemical Resistance:
  Resistant to most acids, alkalis, organic solvents, and staining reagents
• Mechanical Strength:
  Uniform wall thickness for maximum durability and repeated handling
• Standards:
  Manufactured as per international laboratory glassware standards (ISO / DIN equivalents)

Technical Specifications

• Available Sizes / Capacities:
  Common diameters: 10 mm, 12 mm, 16 mm, 18 mm, 20 mm
   Lengths: 75 mm to 200 mm
  Custom sizes available upon request
• Design: Flat bottom, clear glass, heavy-duty construction
• Accuracy: Consistent internal diameter and wall thickness for reproducible culture conditions
• Sterilization: Fully autoclavable
• Packaging:
   Standard export-quality packing
   Bulk packs or individually wrapped options are available
• Accessories (Optional):
  Rubber stoppers
  Screw caps
  Aluminum foil seals
  Tube racks

Handling & Precautions

• Clean with mild detergents; avoid abrasive scrubbers to maintain clarity.
• Autoclave at recommended temperatures (121°C, 15 psi) to ensure safety and longevity.
• Avoid sudden temperature changes to prevent thermal shock.
• Do not expose empty tubes to direct flame heating.
• Store in clean, dry conditions to avoid contamination and breakage.
• Follow proper laboratory glassware handling guidelines to maximise service life.

Applications

• Microbiological media preparation and culture growth
• Routine QC/QA microbiology testing in pharma and food industries
• Biotech and research labs for sample incubation and observation
• Culture storage, slant preparation, and biochemical reactions
• Academic and teaching laboratories for demonstrations and training
• Ideal for bacteriology, mycology, and general life-science workflows

Why Choose MEDILAB

• Over 35+ years of expertise in scientific glassware manufacturing
• Trusted by distributors, institutions, and laboratories in 40+ countries
• Export-quality, precision-made labware with strict quality control
• OEM and private-label production available for global brands
• Consistent quality, reliability, and performance in every batch
• Secure, robust packaging suitable for international shipment
• Fast delivery and dependable global supply chain support