|
|
|
|
|
Recommended Lead Sheet Thickness' for X-Ray Rooms
|
|
X-Rays Generated by Peak
Voltages Not Exceeding
|
Minimum Thickness of Lead
|
Weight per Square
Foot in Pounds
|
|
Millimetre
|
Inches
|
|
75 kv
|
1.0
|
0.039
|
2 1/2
|
|
100 kv
|
1.5
|
0.059
|
4
|
|
125 kv
|
2.0
|
0.079
|
5
|
|
150kv
|
2.5
|
0.093
|
7
|
|
175 kv
|
3.0
|
0.118
|
8
|
|
200 kv
|
4.0
|
0.157
|
10
|
|
225 kv
|
5.0
|
0.197
|
13
|
|
300 kv
|
9.0
|
0.354
|
24
|
|
400 kv
|
15.0
|
0.591
|
38
|
|
600 kv
|
34.0
|
1.343
|
81
|
|
900 kv
|
51.0
|
2.000
|
120
|
|
|
