Humidity and condensation can interfere with heat transfer at the sealing jaws of a VFFS machine, leading to weak or incomplete seals. This is especially common when packaging chilled or moisture-rich products. Maintaining stable sealing temperature, ensuring proper film handling, and minimizing condensation around the sealing area are key to reducing seal failures in humid environments. At Unified Flex, our VFFS machines are designed for consistent sealing performance across a wide range of operating conditions.
