Specifications: 10, 15, 20, 28L, etc.br Composition: barrel body + threaded sealing coverbr Performance: strong corrosion resistance (resistance to strong acid, strong alkali and organic solvent), no dissolution and no precipitation, low backgroundbr Temperature resistance: -200 to 250°Cbr Features: smooth inner wall, easy to clean; good sealing, no leakage.br The bottom of the PTFE drum can also be customized with a lower valve, which is convenient to use, and the size and shape can also be customized according to requirements.