Made of polypropylene Caps are available either with or without a silicone washer between the cap and the tube to ensure a positive leakproof seal at all temperatures. As for tubes, these closures are also made of polypropylene, providing the same coefficient of expansion for both, which…

High quality screw cap sample tubes manufactured of translucent autoclavable polypropylene. Tube with internal threads. Caps are supplied with or without a silicone washer, to ensure a positive leakproof seal at all temperatures. A 1-1/4 turn of the cap is sufficient to seal the vial. Since both…

Made of polystyrene This tube is used with the Roche Cobas Analyzer. It has perfect clarity for easy ­­­­viewing of contents. This graduated false bottom tube has a capacity of 2.5 ml and will accept bar code labels.

Made of polypropylene Designed for the storage and transportation of biological material. Manufactured from non-toxic polypropylene, the tube provides strength and clarity and exhibits some unique design features. The vial has external threads, providing a smooth and uniform inner surface,…