The agreement ATP (A – aqreement, contract, T – transport; P- perishable food) transportation are classified in accordance with their intended use and equipment and K coefficient (heat transfer coefficient).
The first letter indicates the type of means of transport:
- I – Insulated equipment
- F – Mechanically refrigerated equipment
- C – Heated equipment
- R – Refrigerated equipment
- B – Mechanically refrigerated and heated equipment
The second letter corresponds to the type of thermal insulation:
- R – reinforced insulation
- N – normal insulation
The third letter stands for the temperature class:
- A÷F – for insulated equipments
- A÷D – for refrigerated equipments
- A÷D – for heated equipment
- A÷L – for mechanically refrigerated and heated equipments
The letter X in the fourth position means that the transport vehicle is equipped with a removable or dependent thermal device.
Labels examples and their respective transport temperature ranges and heat transfer coefficients K:
- FNA – from +12°C to 0°C, k ≤ 0,7 〈W/m²K〉
- FRB – from +12°C to -10°C, k ≤ 0,4 〈W/m²K〉
- FRC – from +12°C to -20°C, k ≤ 0,4 〈W/m²K〉
