https://en.gongdong.com/development-and-opportunities-brought-by-the-popularization-of-vacuum-blood-collection-tube-industry.html Development and Opportunities Brought by the Popularization of Vacuum Blood Collection Tube Industry 1. Most of the vacuum blood collection tubes are ordinary glass tubes and plastic tubes Ordinary glass tubes are prone to hemolysis due to the high pH value, while the glass test tubes made by the tube-drawing process are densely packed with linear grooves, which lead to cells hanging on the wall due to the irregular depth and thickness.All Rights Reserved