THE INVENTION IS FOR A PLANT FOR CONTINUOUS TREATMENT OF A MATERIAL INDEFINITE LENGTH WITH PLASMA LOW PRESSURE REDUCED CHARACTERIZED IN THAT IT INCLUDES INCLUDING: AT LEAST ONE ROOM PLASMA 1 TRAVELED BY FA TREAT MATTER; ROTARY CATHODE 4 SHAPED DRUM UP IN ROOM PLASMA 1 ANGLES ON MOVEMENT DIRECTION OF EQUIPMENT F, AT LEAST 5 ANODE ROD-SHAPED UP PARALLEL WITH THE CATHODE; CHAMBERS SUPPLEMENTARY VACUUM FRONT AND REAR 8, 9 DIVIDED INTO AT LEAST TWO SAS 8A, 8B ..., 9A, 9B TEAM EACH OF A PAIR OF ROLLER SHUTTER 10A, 10B ... 11A, 11B.