Test Tube Screw Cap Special Pyrex 16*125mm

The Pyrex 16x125mm screw cap test tube (often categorized as a culture tube) is a standard laboratory vessel known for its durability and chemical resistance. These tubes typically have a capacity of approximately 15 mL and are made from Code 7740 borosilicate glass to minimize pH changes and leaching. 

Corning +4
Key Specifications & Features
Dimensions: Outer diameter of 16 mm and a length of 125 mm (approx. 5 inches).
Capacity: Approximately 15 mL.
Material: High-quality borosilicate glass, resistant to thermal shock and chemical attack.
Screw Cap: Usually supplied with a phenolic screw cap (often black) featuring a GPI 15-415 thread finish.
Autoclavable: Both the glass tube and phenolic caps are designed to withstand the high temperatures and steam of autoclaving.
Marking Spot: Many m…