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

Table 4

Electrical conductivity of twisted yarn.

No	Sample	d(cm)	A(cm^2)	R(Ω)	G(S)	ơ(S/cm)	ơaverage	Dev
1	D1 (1 mm)	0.048	0.03595	8.5E + 07	1.2E − 08	2E − 08	2E − 08	9.96E − 10
		0.048	0.03595	9.6E + 07	1.0E − 08	1E − 08
		0.048	0.03595	8.6E + 07	1.2E − 08	2E − 08
2	D2 (3 mm)	0.094	0.20820	2.0E + 08	5.1E − 09	2E − 09	2E − 09	1.55E − 10
		0.094	0.20820	1.8E + 08	5.7E − 09	3E − 09
		0.094	0.20820	1.8E + 08	5.6E − 09	3E − 09

Source: data of this research.