Borosilicate glass Kimax-51® composition assures the best all-around chemical durability of commercial glasses now available for laboratory ware. Complies with ASTM Specification E438, Type I, Class B glass requirements. Tube has excellent chemical resistance against sodium leaching - a factor common in soda lime glass products. These are premium quality tubes with sturdy, uniform bottoms and consistent lengths. The 10 and 12 x 75mm sizes are suitable for cell washing procedures.
Tubes are packed in convenient trays for ease of use on bench topsand in drawers The 10 and 12 x 75mm sizes fit into Kimble Cat.No. 6-73510 stainless steel dispensers. The 6 x 50mm 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. Designed from ASTM Specification E890.