Calculation of Open Area
To understand how to measure perforated sheet, What is Perforated Sheet? you can view the section.
Round Hole Sheet
Perforation Rate Formula
R
U1
U2
Open area : %
Calculate
R
T
Open area : %
Square Hole Sheet
Calculate
C
U
Open area : %
Hexagonal Perforated Sheet
Calculate
H
T
Open area : %
Slot Perforated Sheet
Calculate
L
R
Z1
Z2
Open area : %