[Specifications] 20KG/barrel, 25KG/barrel [Product performance] The appearance of this product is a colorless transparent colloid with a light odor and no impurities; it is physiologically inert, insoluble in water, with a relative density of 1.045-1.065g/cm3, a viscosity of 100,000 to 300,000 cps, and a volatile content of â?¤1.5 %, has excellent thixotropic properties and isolation properties, other properties are detailed in the product test report. [Scope of application] This product is specially used to manufacture disposable vacuum blood collection tubes and injection blood collection tubes, as a necessary material for the preservation, delivery and transfer of high-quality serum and blood samples in clinical tests.