FEP, also known as F46, polyperfluoroethylene propylene, Teflon (Teflon), F46, it is a soft plastic, resistant to strong acid and alkali, high and low temperature, mainly used for trace analysis, isotope detection, ICP-MS/OES/AAS analysis and other high-end experiments. The material selection is unique, the background is very low, the contents of metal elements lead and uranium are less than 0.01ppb, and there is no dissolution and precipitation. It is the cleanest experimental analysis utensils at home and abroad. The domestic independent research and development and production break the gap of Teflon series products in the domestic trace analysis market. Product features: 1, high and low temperature resistance: the use temperature can reach-200 205 FEP has the lowest refractive index of all plastics. 2. The nozzle and cap are formed once, and the open can be autoclaving; 3. It can replace the standard solution of the volumetric flask, and can be controlled into a drop state of sample and water, and the cap and drip mouth have good sealing to prevent sample and air pollution; 4, with very low dissolution and precipitation, is the storage of standard materials, strong corrosion, expensive high-purity