packaging laminate with excellent sealing and barrier properties comprising a skeletal layer of plastic and filler mixed in the plastic and a barrier layer of plastic of the same type as the plastic in the skeletal layer in a mixture with plastic of another type than the plastic in the skeletal layer , placed against one side of the skeletal layer . in order to improve the sealing properties of the packaging laminate the barrier layer has been provided with electrically conducting material finely distributed in the barrier layer , preferably soot with the aid of which the packaging laminate can be sealed by means of inductive heating and dielectric sealing .