United States
Following links assist you in converting factors and physical units:
Air permeability
Convert air permeability between different country norms.
Diameter count
Yarn diameter [µm] vs. count [dtex].
Physical units
Conversion of different physical units.
Mesh calculator
Sefar Inc.
111 Calumet StreetDepew, NY 14043 – USA
Phone
+1 716 683 4050
Fax
+1 716 685 9469