No additive. This Blood collection tube is used for blood specimen collection and storage for biochemistry, immunology, element trace, various types of virus detection and so on for clinical test. Blood Collection Glass Plain Tube shall be put in 37°C water for 1 hour after blood collection. Light yellow serum shall be visible before centrifuge.

Material Spec（mm） Volume（ml） Label Shelf life（year） Package

Glass 13*75 1、2、3、4 Paper label 2 100/1800

Glass 13*100 5、6 Paper label 2 100/1200

Glass 16*100 7、8、9、10 Paper label 2 100/1200

PET 13*75 1、2、3、4 Paper label/UV Printing 1 100/1800

PET 13*100 5、6 Paper label/UV Printing 1 100/1800

PET 16*100 7、8、9、10 Paper label/UV Printing 1 100/1200