(1) Direct paste type, that is, after the sealant is applied on the sealant strip, it is directly stuck in the installation groove of the heat exchanger plate.
(2) Rubber nail inlay type, that is, a mounting hole is designed on the heat exchanger plate, and a rubber nail is designed on the side of the gasket. After the sealing rubber strip is put into the installation groove, the rubber nail is embedded in the mounting hole.

(3) The buckle type is that a "mountain" -shaped buckle is designed on the edge of the sealing strip, and the sealing strip is buckled on the heat exchange plate with the buckle.