Pilot trial Services
Full scale pilot coating
Verification of the coating formulations under industrual scale production conditions
After initial assessments, coating colour formulations can be evaluated under full-scale production conditions. At KCL, we offer a versatile pilot dispersion coating line equipped with all common application stations, including a film size press, roll and jet application, spray coating and curtain coating. Typically, approximately 200 litres of coating colour per formulation is used during a full-scale pilot trial.
Film transfer
The film transfer unit is typically used for surface sizing and pigmentation.
- Double sided coating
- 2-coating color circulations (top/bottom)
- Diameter of rolls 1000 mm
- Material of rolls: PU and steel
- Grooved and smooth rods
- Turn-dry unit after the size press
- Option to integrate spray coating unit in the size press
Combi station
The modular combi station is customised to meet the specific requirements of the surface coating layers.
- Jet or rod application
- Metering with blade or rod
- Adjustable jet angle
- Long and short dwell time
- Optiair deaeration
- Distance between application and blade adjustable
- Stiff or bent blade mode
Curtain coating
The 3-layer slide die or 1-layer slot die curtain coaters are perfect tools for applying functional coatings to the web.
- Andritz Prime coat curtain unit
- TSE Troller temperature controlled 3-layer slide die
- TSE Troller temperature controlled 1-layer slot die
- Coating width 562 mm
- Netzsch type 602 deaerator
- Four temperature controlled feeding tanks equipped with mixing
- Speed range 100 - 2000 m/min
Spray coating
Spray coating bars with multiple nozzle size options can be installed in various positions on the pilot coating line.
- PSU spray coating technology
Advanced on-line measurement equipments guarantees the reliability of the trials for a wide range of base papers and coating colors. Coated paper reels can be calendered and printed at KCL. Moreover, KCL has two winders, guillotine and sheet cutters for paper sample cutting after the trial. The measurement service for coating color and paper covers all standard measurements including several specialized measurements.