In India, Pyrex (by DWK Life Sciences) test tubes with screw caps in the 18 x 150 mm size are commonly sold as “culture tubes” and are widely available through laboratory suppliers.
Product Specifications & Features
Dimensions: 18 mm (Outer Diameter) x 150 mm (Length).
Capacity: Approximately 25 mL to 27 mL.
Material: High-quality Borosilicate Glass 3.3 (Pyrex), known for superior thermal resistance (up to 500°C) and chemical stability.
Cap Type: Typically supplied with a phenolic (Bakelite) screw cap containing a rubber or PTFE liner to ensure an airtight, leak-proof seal.
Durability: Autoclavable at 121°C (15 psi for 15 minutes) and resistant to clouding after repeated sterilization cycles.
Bottom Type: Primarily round bottom, though flat bottom versions exist for self-standing needs.
| Brand |
|---|
