Characteristics of Bulletproof Vests Made from COPEFB Fiber: Implications on Mechanical, Electrical, and Physical Resistance

Table 2

The results of the biofiber density test using Archimedes hukum law.

No	Corncob oil palm empty fruit bunch (COPEFB)
	Mass (gram)	Initial Vf (mL)	End Vf (mL)	Vs (mL)	Density (g/cm^3)
1	0.5	40	41	1	0.50
2	1	40	42	2	0.50
3	1.5	40	43	3	0.50
4	2	40	43	3	0.67
5	2.5	40	44	4	0.63
Average					0.60
Standard deviation					0.08

Source: data of this research.