ADR code TU18
Provisions for the use of tanks (TU) per ADR 2025.
The degree of filling shall remain below the level at which, if the contents were raised to a temperature at which the vapour pressure equalled the opening pressure of the safety valve, the volume of the liquid would reach 95 % of the tank’s capacity at that temperature. The provision in 4.3.2.3.4 shall not apply.