E-PTFE vent liner aluminum foil
Aluminum foil venting seal liner is widely used in chemical, agriculture,food,fertilizer etc fields.
Material of venting film:ePTFE
Feature of venting film:waterproof,dustproof,oilproof,breathable...
The sealing way:sealing film+Alu foil+wax+cardboard
Material of gasket:PET
The bonding between the breathable film and the gasket is accomplished by hot pressing welding machine.
For the perforated container cover,the gas will pass through the porous expanded ePTFE breathable film and escape through the hole in the container cover,while preventing liquid and particles from entering the package.Multiporous expanded ePTFE breathable film prevents pressure accumulation by continuously balancing the pressure difference between the internal and external environment of the vessel.
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