Table 3. Brightness (%) Results of the Samples.

	hydrophobic additives
paper type	base	SD	starch	SD	fumarated CWR	SD	penta-ester CWR	SD
bleached kraft (BK)	85.29	0.13	83.92	0.37	82.71	0.21	83.96	0.39
white top cartonboard (WTC)	55.49	0.39	55.25	0.31	55.32	0.29	55.46	0.27
test liner (TL)	23.59	0.37	22.48	0.35	22.31	0.24	22.51	0.23