Ultraviolet Protection by Fabric Engineering

Table 4

Porosity, transmission, and ultraviolet protection factor (UPF) values.

Sample code	Air permeability (cm^3/cm^2/s)	Moisture vapour transmittance (%)	Transmission (%)			UPF
			UVA	UVB	UVC
S1	5.128	67.45	0.83	0.86	0.89	40+
S2	12.92	71.92	0.92	0.95	0.99	40+
S3	3.02	64.94	0.78	0.80	0.80	40+
S4	8.35	69.21	0.87	0.90	0.94	40+
S5	75.45	68.24	1.12	1.17	1.20	39.8
S6	151.04	71.04	1.85	1.99	2.00	33.6
S7	64.17	66.16	1.01	1.08	1.10	40+
S8	129.44	70.16	1.65	1.73	1.78	37.4
S9	2.32	64.53	0.75	0.71	0.69	40+
S10	33.41	69.28	0.99	1.00	1.00	40+
S11	1.46	57.72	0.682	0.693	0.685	40+
S12	12.11	68.63	0.956	0.998	1.006	40+