| NAME |
SAMPLE |
DESCRIPTION |
|
| 1% Perforation |

|
.125 in Round perforations
1 in. Straight Line Centers
1% Open Area
|
| 5% Perforation |
 |
.125 in Round perforations
0.5 in. Staggered Centers
5% Open Area
|
| 12% Perforation |
 |
.078 in. Round perforations
.216 in. Staggered Centers
12% Open Area
|
| 19% Perforation |
 |
.083 in. Round perforations
.275 in. Straight Line Centers
19% Open Area
|
| 22% Perforation |
 |
.110 in. Round perforations
.228 in. Straight Line Centers
22% Open Area
|
| 36% Super Perforation |
 |
.078 in. Round perforations
.125 in. Staggered Centers
36% Open Area
|
| 42% Super Perforation |
 |
.125 in Round perforations
.187 in. Staggered Centers
42% Open Area
|