Labtech two roll mills. New Modern Design on all our Two Roll Mills. Models : LRM-S-110, 150, 200 /3E/T3E. Polymer mills available with roll diameters of 100, 110, 150 and 200 mm. Roll heating is available in 3 ways, with our Standard 3-Zone or TRUE 3-Zone electric roll heating system, with Oil heating and cooling system, or with Electric roll ...