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

·         Designed from ASTM Specification E890

·         Manufactured from 51 expansion borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class B requirements