Abstract: Washing machine for washing off or separating plastic film, for example polythene, from paper or cellulose fibers or other pollutants comprising a container 1 into which the material to be washed consisting of plastic film with residual quantities of paper or cellulose or other pollutants is introduced at the same time with the water or subsequently thereto and then stirred by washing mechanical means, wherein said container 1 has a concentric surface 3 inside it which is provided with holes and forms an annular chamber 4 and wherein one or two vertical rotary shafts 5 and 6 are provided rotating in opposite directions with respect to each other and respectively bearing two series of radial agitators 7 and 8 penetrating into each other in the center of the container so that the water containing paper or cellulose fibers or other pollutants passes through the holes being thus discharged separately from the plastic film and wherein each of said series of agitators 7 and 8 carries one or more agitators provided