KIMBLE® Plain Disposable Borosilicate Glass Tube, 12 x 75 mm, 6 mL

• Complies with ASTM Specification E890
• Manufactured from borosilicate glass 5.1
• 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
• The 6 x 50 mm size is often referred to as a "Durham tube"
• Trays are shrink-wrapped in plastic film, with tubes remaining in constant alignment for protection against in-transit breakage and contamination
• No marking spot