Vacuum Blood Collection Tube manufacturers Product Introduction No additive tube is used in blood collection and storage for biochemistry, immunology, serology, tests of various kinds of virus , microelement and blood preparation in medical inspection. It can maintain the normal compositions of serum for a long time. Moreover, it's helpful to reinspect serum with good repeatability. Parameter Properties: Blood Collection and Storage Brand Name: YULI or OEM Brand Material: Glass or plastic Size: 13*75mm / 13*100mm / 16*100mm Volume: 1-10ml Additive: Plain Time for complete colt retraction: 1.5-2h Centrifugation speed: 3500-4000r/min Centrifugation time: 5mins Recommended storage temperature: 4-25鈩? Advantage FAQ聽 Q: Why choose us? A: 1. We are professional factory with full export experience. It is sure you buy products from real professional manufacturer, you can get competitive price here. We make sure all qualified goods with high quality reach international standard 2. As experienced exporter, we can give professional advice in transportation method to reduce your cost.