Recycled Old Corrugated Container Fibers for Wood-Fiber Cement Sheets

Table 1

Results of initial freeness, kappa #, lignin content, and pH for OCC unprocessed and after fiber fractionating (OCC/FF) in comparison with radiata pine pulp.

Test	Pulp type
	OCC	OCC/FF	R. Pine
Initial freeness (CSF)	635	754	730
kappa #	47	47	23.7
Lignin content (%)	6.1	6.1	3.1
Fiber pH	6.6	6.6	7.5