Standard Tests

Fluting Tests

Test & Units	Purpose of Test	Test Method
Basis Weight (lb/1000 sq ft)	To determine the weight per unit area	TAPPI T-410 and continuous on machine measurement
Moisture Test (%)	To determine the moisture content and variability	TAPPI T-412 and continuous on machine measurement
Flat Crush, CMT (LB-F)	To determine the crushing resistance of lab-fluted strip	TAPPI T-809
Caliper (Mil, 1/100 inch)	To measure the thickness of a single sheet	TAPPI T-411
Water Absorption Float Curl (second)	To determine the time required to saturate a sample	TAPPI T-832
Hardness (Schmidt Harness Value)	To measure the variability of hardness across a roll	TAPPI T-834
Fluted Edge Crush, CFC (lb/f)	To determine the edgewise compressive strength	TAPPI T-824

Test & Units	Purpose of Test	Test Method
Basis Weight (GSM)	To determine the weight per unit area	TAPPI T-410 and continuous on machine measurement
Moisture Test (%)	To determine the moisture content and variability	TAPPI T-412 and continuous on machine measurement
Burst (kPa)	To measure the bursting strength	TAPPI T-807
Cobb, 2 Minutes (g/m²)	To measure the thickness of water absorbed into the sheet	TAPPI T-411
Cobb, 30 Minutes (g/m²)	To measure the thickness of water absorbed into the sheet	ISO 535 -1976 (E) UN Standard
Coefficient of Friction Inclined Plane Method (⁰)	To measure the resistance to movement of one board surface against another	TAPPI T-815
STFI (kN/m)	To determine the edgewise compressive strength	TAPPI T-826
Porosity (second/100cc)	To measure the resistance to the passage of air	TAPPI T-460
Caliper (mm)	To measure the thickness of a single sheet	TAPPI T-411
Ring Crush (kN/m)	To determine the edgewise compressive strength	TAPPI T-822
Scott Plybond (J/m²)	To measure the internal fiber and strength	TAPPI T-403