Technical Guides
Essential Quality Tests for Corrugated Board
Overview of key quality tests including ECT, FCT, and burst strength.
Key Tests
Edge Crush Test (ECT): Measures stacking strength
Flat Crush Test (FCT): Measures cushioning ability
Burst Strength (Mullen Test): Measures rupture resistance
Moisture Content: Target 7-9% for finished board
Pin Adhesion Test: Measures bond strength
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Recycled Paper Adhesive Penetration Control
Control adhesive penetration on recycled liners and mediums—manage porosity, viscosity, glue gap, and solids so pin adhesion holds without washboarding.
Steam Trap & Condensate Care on Corrugators
Maintain corrugator steam traps and condensate returns—catch failed traps, water hammer, and energy loss with fixed inspection intervals.
Corrugator Drive Maintenance: Gearboxes & Motors
Maintain corrugator gearboxes, couplings, and motors with oil intervals, alignment checks, vibration trends, and LOTO—before 200–300 m/min faults escalate.