Research Article
Characteristics of Bulletproof Vests Made from COPEFB Fiber: Implications on Mechanical, Electrical, and Physical Resistance
Table 1
The results of the analysis of the chemical characteristics of the fiber (biofiber) from COPEFB.
| No | Parameter | Analysis results (%) | Test method | Research of literature (%) [3] | COPEFB |
| 1 | Water | 7.66 ± 0.04 | SNI 087070 | <10 | 2 | Ash | 3.35 ± 0.01 | SNI ISO 1762 | 0.3–1.5 | 3 | Pentosan | 27.52 ± 0.11 | SNI 01-1561 | 19–25 | 4 | Extractive | 7.60 ± 0.17 | SNI 8401 | 2–5 | 5 | Lignin | 23.17 ± 0.38 | SNI 8429 | 20–33 | 6 | Holocellulose | 71.59 ± 0.02 | Metode wise | 55.40–76.68 | 7 | Alpha cellulose | 46.62 ± 0.11 | ASTM D 1103 | 40–45 | 8 | Cold water solubility | 7.74 ± 0.08 | SNI 01-1305 | 1.3–3.5 | 9 | Hot water solubility | 8.19 ± 0.16 | SNI 01-1305 | 1.38–7.37 | 10 | 1% NaOH solubility | 26.91 ± 0.23 | SNI 14-1838 | 17.1–23.4 |
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Source: data of this research.
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