416 743-9244
888 321-3353
5785 Steeles Ave. West
North York
Ontario, M9L 2W3

Fax: (416) 743-1579

Tests perfomed on raw materials

  • Weight of paperboard 
  • Tensile Strength
  • Tearing Resistance
  • Thickness (Caliper)
  • Stiffness of Paperboard
  • Bursting Strength
  • Compression Resistance
  • Water absorptiveness

Testing done on finished tubes and cores

  • Measuring Outside Diameter
  • Measuring Wall Thickness
  • Measuring inside diameter
  • Measuring lengths or heights
  • Measuring moisture content
  • Measuring compression
  • Delamination of Adhesive Bonds due to water immersion
  • Defamation of Adhesive Bonds due to high humidity

Inspection Checks and /or Testing of in Process Products

  • Mandrel check
  • Specification sheet check
  • Overlapped Top Ply
  • Overlapped inside Ply
  • Glue seepage (outside)
  • Length Check (winders)
  • Wall Thickness Check
  • Inside Ply
  • Sawcut (winders)
  • Kecutter Burrs
  • Trim Check (recutters)
  • Screwing (recutters)
  • Exterior Marks (general Appearance)
  • Paperboard Check
  • Adhesive Check
  • Gap width
  • Overlapped inner plies or body plies Glue seepage (inside) Plice Check
  • Outside diameter check Glue bond or lamination check Excessive beveling (recutters)
  • Poor separation of cuts (recutters)