Analysis of glass fracture pattern made by .177″ (4.5 mm) Caliber air rifle

Egyptian Journal of Forensic Sciences

Table 3 Measurements for the Glass panes coated with the Sun Control Film (SCF)

Sr. No.	Sample No	No of Radial fractures	No of concentric Fractures	Diameter of Hole	Thickness of the Mist Zone	Diameter of the Mist Zone
3 mm with SCF
1	1^a	10	7	5.15 mm	15.45 mm	33.475 mm
2	2^b	12	9	6.9 mm	10.77 mm	28.44 mm
3	3^b	10	8	5.15 mm	12.1 mm	29.35 mm
4	4^a	11	8	5.60 mm	13.25 mm	32.10 mm
4 mm Privacy Glass with SCF
5	1^a	9	6	5.97 mm	12.35 mm	30.67 mm
6	2^b	8	5	6.4 mm	13.25 mm	32.9 mm
7	3^a	9	–	6.67 mm	13.22 mm	33.11 mm
8	4^b	7	2	6.30 mm	11.07 mm	28.44 mm
5 mm with SCF
9	1^a	10	5	5.40 mm	14.35 mm	34.10 mm
10	2^b	8	0	5.63 mm	11.16 mm	27.94 mm
11	3^a	8	2	4.77 mm	17.3 mm	39.37 mm
12	4^b	4	2	5.92 mm	17.17 mm	40.26 mm