SB-7644 Plain Weave Matt Weave Full Gauze Weave Weaving Widths cm Reference Aperture Wire Gauge Theoretical Weight Structure Aperture Widths mm Sieve Area % mesh/in. mesh/cm in. mm kg/m2 102?à2 48.5 19 0.00195*?ì3 0.0497*?ì3   0.060 Full Gauze Weave 0.345 42.96 102?à2 50.5 20 0.00195*?ì3 0.0497*?ì3   0.063 Full Gauze Weave 0.322 41.36 102?à2 52.5 21 0.00195*?ì3 0.0497*?ì3   0.064 Full Gauze Weave 0.303 40.48 102?à2 54.5 22 0.00169*?ì3 0.043*?ì3   0.056 Full Gauze Weave 0.294 41.87 102?à2 56.5-58 23 0.00169*?ì3 0.043*?ì3   0.057 Full Gauze Weave 0.278 40.88 102?à2 60 24 0.00195*?ì2 0.0497*?ì2   0.056 Full Gauze Weave 0.266 40.61 102?à2 62 25 0.00195*?ì2 0.0497*?ì2   0.053 Full Gauze Weave 0.255 40.75 102?à2 64 26 0.00195*?ì2 0.0497*?ì2   0.055 Full Gauze Weave 0.242 39.42 102?à2 66-68 27 0.00169*?ì2 0.043*?ì2   0.043 Full Gauze Weave 0.242 42.78 102?à2 72 28 0.00169*?ì2 0.043*?ì2   0.044 Full Gauze Weave 0.231 41.65 127?à2.5   30 0.00239*?ì2 0.0609*?ì2   0.062 Matt Weave 0.216 41.98 127?à2.5   33 0.00239*?ì2 0.0609*?ì2   0.068 Matt Weave 0.185 37.25 127?à2.5   36 0.00239*?ì2 0.0609*?ì2   0.074 Matt Weave 0.159 32.90 127?à2.5 102 39 0.00239*?ì2 0.0609*?ì2   0.080 Matt Weave 0.138 28.76 127?à2.5 107 42 0.00239*?ì2 0.0609*?ì2   0.086 Matt Weave 0.119 24.86 127?à2.5 112-121 46 0.00195*?ì2 0.0497*?ì2   0.063 Matt Weave 0.121 30.65 127?à2.5   50 0.00195*?ì2 0.0497*?ì2   0.069 Matt Weave 0.103 26.50 127?à2.5 134 54 0.00169*?ì2 0.043*?ì2   0.055 Matt Weave 0.101 29.73 127?à2.5 150 58 0.00169*?ì2 0.043*?ì2   0.060 Matt Weave 0.088 26.26 127?à2.5 156 62 0.00169*?ì2 0.043*?ì2   0.064 Matt Weave 0.077 22.69 212?à3   30 0.00239*?ì2 0.0609*?ì2   0.102 Matt Weave 0.216 41.98 212?à3   33 0.00239*?ì2 0.0609*?ì2   0.112 Matt Weave 0.185 37.25 212?à3   36 0.00239*?ì2 0.0609*?ì2     Matt Weave 0.159 32.90