Black Clawson Tandem Extrusion Coating Line

Black Clawson Tandem Extrusion Coating Line No. 9,
72" (1,830 mm) wide × 1,500 FPM (457 m/min)
Tandem, double-sided extrusion coating line for
paper or film release liner production
Installed 1996, with major controls modernization in 2022
($1.4 million investment)
Twin extrusion, drying, treating, coating, and slitting systems allow
dual-pass or double-sided operation
Web Handling & Rewind
Shaftless Turret Rewind, 72" (1,829 mm) width × 61" dia,
2-spindle with pressure roll
Shaftless Turret Unwind, 72" width, 2-spindle with
roll-handling manipulator (Dalmex, 165 lb & 130 lb rated units)
Black Clawson web inversion table for inline substrate flipping
(2) Pull-roll stations with Maxcess rotary shear edge-trim knives
Application Co trim blower for edge-trim waste handling
Bunting MN 5.2 PR 2000 inline metal detector, CE marked
Extrusion System
(2) Black Clawson Model 600 EXT 2 Extruders 6" Ø, 32.4:1 L/D, 225 RPM,
XYZ bases, Lufkin gearboxes, 400 HP AC VFDs.
Throughput: approx. 910 kg/hr each.
(2) Cloeren EBR 82" sheet dies with motorized deckles (83 die bolts) and
Autogauge computerized lip-adjustment
Surface Treatment & Coating
(2) Corotec corona treaters with dedicated controls
(primary and reverse side)
(2) Epic Products inline primer application stations
(primary and reverse side)
(2) AIS traveling-head thickness / gauging systems for inline and
post-lamination quality control
Drying & Curing
(2) Black Clawson high-efficiency single-pass gas flotation dryers
(pre- and post-extrusion)
Gas dryers designed for thermal curing of coated webs before
rewinding or lamination
Casting, Laminating & Slitting
(2) Integrated casting and slitting sections
Each includes chill roll, Maxcess rotary shear edge-trim knives
Supports single or dual-pass lamination and slitting
Resin & Additive Handling
(2) Maguire WSB-920T gravimetric blenders with scale hoppers
Premier Pneumatics resin blending/distribution system
(6) Stainless steel mixing tanks by G&F Manufacturing
(25 gallons / 95 liters each) with hydraulic mixing