No fouling: inside layer is formed by special silicon-compound materials coated after melting at 900C
No corrosion
No leakage: layer can strongly be of anti corrosion, and the tank will be no leakage for ever
No shrinking: super height of tank wall can bear strong pressure without being shrunken by air pressure
Healthy water: water in the tank is sanitary, hygienic and healthy

Thickness : 2.00mm