Product Features: 1. Material: PFA (fusible polytetrafluoroethylene, Teflon) 2. Transparency: translucent 3. High and low temperature resistance: -200C to 260C 4. Corrosion resistance: resistant to strong acid and alkali, aqua regia, HF, and various organic solvents 5. No leaching out, no sticking samples, it is an excellent container for storing standard substances 6. The blank value of metal elements is low, and the content of lead and uranium is lower than 0.01ppb Product Specifications: 250ml...