PTFE Teflon Cap Characteristic It is made by PTFE film and silicon , The available specification in our company, diameter: 5-300mm, thickness: 0.5-5mm Becauseof the chemical endurance and ability to protect from pollution, it can beused as film in pharmacy, cosmetic, food. Application 1. Acid and alkali 2. All kinds of causticity liquor and chemical liquor 3. Liquor can not be polluted 4. Insulating Airproof, can worked in the environment and temperature below 260 degrees