Manufactured from 51 expansion borosilicate glass.

• 51 expansion borosilicate glass offers excellent chemical resistance against sodium leaching, a factor common in soda lime glass products
• Tubes are packed in convenient trays for ease of use on bench tops and in drawers
• Trays are shrink-wrapped in plastic film, with tubes remaining in constant alignment for protection against in-transit breakage and contamination
• The 6×50 mm size is often referred to as a 'Durham tube'

These premium quality tubes feature sturdy, uniform bottoms and consistent lengths. The 10×75 and 12×75 mm sizes are suitable for cell washing procedures.