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Importance of Car HVAC Evaporator Sealing 2022-01-26

The importance of the sealing of the Car HVAC evaporator, its sealing has a lot to do with the air temperature, the balance of the airflow, and the control of the condensed water. The sealing of the evaporator is generally made by sticking sponges around the evaporator, and then fixed by the ribs designed on the shell.

The sponge materials used for evaporator sealing include PE, PU, EPDM, etc. When the evaporator tube is exposed outside the HVAC shell, it needs to be wrapped with sponge, otherwise the condensed water on it will drip into the cockpit of the car. When the evaporator tube is inside the HVAC housing, it can be wrapped with a sponge or covered with a plastic cover. If it is exposed in the plastic cover, the condensation water on the pipe must drip without air area where there is a flow of water, otherwise there is a risk of splashing condensation.

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