A Review on Pineapple Leaves Fibre and Its Composites

Table 2

Chemical composition of natural fibres [41, 44].

Type of fibre	Cellulose	Lignin	Hemicellulose (%)	Pectin (%)	Ash (%)	Moisture content (%)	Waxes	Microfibrillar angle (deg)
Fibre flax	71	2.2	18.6–20.6	2.3	—	8–12	1.7	5–10
Seed flax	43–47	21–23	24–26	—	5	—	—	—
Kenaf	31–57	15–19	21.5–23	—	2–5	—	—	—
Jute	45–71.5	12–26	13.6–21	0.2	0.5–2	12.5–13.7	0.5	8.0
Hemp	57–77	3.7–13	14–22.4	0.9	0.8	6.2–12	0.8	2.62
Ramie	68.6–91	0.6–0.7	5–16.7	1.9	—	7.5–17	0.3	7.5
Kenaf	37–49	15–21	18–24	—	2–4	—	—	—
Jute	41–48	21–24	18–22	—	0.8	12.5–13.7	0.5	8
Abaca	56–63	7–9	15–17	—	3	5–10	—	—
Sisal	47–78	7–11	10–24	10	0.6–1	10–22	2	10–22
Henequen	77.6	13.1	4–8	—	—	—	—	—