Modifications Caused by Enzyme-Retting and Their Effect on Composite Performance

Table 3

Chemical properties of enzyme-retted flax fibers*.

Enzyme exposure	Wax	Metal content (ppm)
(h)	(%)	Na	Ca	K	Mg	Zn	Fe
0	1.38 b	11.92 b,c	160.87 a	8.81 b	29.31 a	0.66 a	4.44 b
10	1.49 a	6.96 c	63.98 b	7.35 b	14.08 b	0.76 a	2.97 c
22	1.32 b	30.30 b	48.02 c	10.30 b	11.95 b	0.45 a	6.47 a
46	1.10 c	57.01 a	23.20 d	17.93 a	7.90 b	0.39 a	3.40 b,c

*Values followed by different letters within columns are significantly different at 𝑃≤0.05.