PTFE is a stable material, can filter water, organic solution, strong acid and alkaline solution, (not suitable for trichloroethylene, gasoline, hexane, etc.). It can be used as clarification and filtration of experimental samples and injection filtration of liquid chromatography. 0/5 (0 Reviews) Weight. 0.1 kg. Dimensions. 12.0 × 12.0 × 12.0 cm.