1. There is no any additive(no anticoagulation)in the tube, which is also called no additive tube. Red closure.
2. Specimen: Serum. The tube is used for clinical biochemistry and immunology.
3. Specs: 13*75 mm; 13*100 mm; 16*100 mm.
4. Draw volume: 3-10 ml.
5. Storage temperature: 4-25centigrade.
6. Max. Vacuum degree tolerance: 10%.
7. Centrifuge for 5-10 minutes after blood coagulation.