These 2 ml clot activator tubes are manufactured by Chargen Life Sciences. These sterile and disposable 2 ml clot tubes are widely used in hospitals, laboratories and clinics alike. They're made from high quality PET material and are 13X75 mm in dimensions. These red capped tubes are used for biochemical and immunological serum testing.

Micronized Silica (less than 1.0 mg 10%). The micronized silica is an additive and causes teh blood to clot quickly. The Clot activator tubes are coated with micronized silica particles. It is due to the presence of these silica particles that allow the rapid clotting of blood i.e. they accelerate the process of blood clotting. The silica coating also prevents the red blood cells from adhering to the walls of the tube. Owing to their ease of use and reliability, these vacuum tubes are a favourite for clinical tests since it is easy to obtain unpolluted serum sample easily.