Red Top / Plain Tubes, No-additives Vacuum Blood Collection Tubes

YONGKANG no additive tubes are used in determinations for clinical chemistry and hormones, microbiological serology, immunology, various virus detection, trace element detection, collection and recovery of blood samples for blood bank inspection. The inner wall is specially treated to make it extremely smooth, so that the platelet activity is normal, the blood coagulation is smooth, and the phenomenon of hemolysis and adhesion of blood cells and fibrin to the inner wall is prevented. It can provide a sufficient amount of non-contaminated serum samples for monitoring and testing, and can maintain the normal composition of the serum for a long time. And it is conducive to the re-examination of serum, and the repeatability is good. There is no additive in the tube, after one hour the blood in the tube is completely coagulated. YONGKANG tubes without additives contain no chemical additives, but like the other tubes with an additive, are evacuated and are sterile on the inside. - Time for complete clot retraction:1.5-2 h - Centrifugation speed: 3500-4000r/m - Centrifugation time: 5-10min - Recommended storage temperature: 4-25℃