Research Article
Characteristics of Bulletproof Vests Made from COPEFB Fiber: Implications on Mechanical, Electrical, and Physical Resistance
Table 3
Mechanical properties of twisted yarn at various diameters.
| Mechanical properties | Variation of diameter twisted yarn (mm) | SNI test standard [3] | 1 | 3 | 6 |
| Tensile (kgf) | 3.55 ± 0.95 | 13.35 ± 1.65 | 56.75 ± 7.68 | 7650-2010 | Strain (%) | 20.13 ± 5.76 | 45.57 ± 7.89 | 65.98 ± 4.19 | 7650-2010 | Elongation (mm) | 50.42 ± 14.40 | 113.98 ± 19.79 | 165.13 ± 10.51 | 7650-2010 |
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Source: data of this research.
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