Method for packaging liquid products under pressure in plastic bottles or similar containers

A method comprising packaging a liquid product under pressure in containers, wherein said containers are thermoplastic containers, wherein packaging said liquid product under pressure comprises:

• blow-molding a container from a sterilized preform, wherein said container is a thermoplastic container;
• exposing an exterior of said container to a mixture;
• spraying said mixture toward said container from a plurality of spray nozzles that are located in series along a direction of transport of said container;
• after having exposed said exterior of said container to said mixture, pressure-filling said container with said liquid product;
• and
• sealing said filled container;
• wherein said mixture comprises:
• a liquid coolant,
• a disinfectant,
• an additive to reduce surface tension of said liquid coolant, and
• an additive to promote drying of cooled and disinfected containers prior to filling thereof.