Pulp and Paper 



3103 



Table 25-7. — Regression models relating morphological properties of unbeaten and 

 beaten, unbleached kraft-pulp hardwood fibers to five sheet properties (Horn 1978) 



'Units as follows: fiber length, mm; fibril angle, degrees, fiber coarseness, weight of fiber 

 substance per unit length of fiber expressed as mg/100 m; cross sectional area jxm-; L/T ratio, ratio of 

 fiber length to cell wall thickness measured in pulped fiber; specific gravity, ovendry weight 

 unextracted and green volume. 



^Significant to the 0.01 probability level. 



■^Canadian Standard Freeness, ml. 



