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Warranty: | 1 Year |
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Table 2 Round Hole Perforation Technical Details | ||
Arrangement of Hole | Shape of Hole | Identification of Hole Pattern |
Triangular Pitch | R | R T |
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Calculation of open area in % |
R2× 90.69/T2 |
Number of holes per m2 |
1,154,700/T2 |
|
Rectangular Pitch | R | R U |
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Calculation of open area in % |
R2 × 78.5/(U × U ) 1 2 |
Number of holes per m2 |
1,000,000/(U1 × U2) |