Metpore Size/Density Range Chart*
  Pore Size PPI (Pores Per Linear Inch)
  10 20 30 40 50 60 80 100 130
Length        (mm) 610 610 610 610 610 610 305 305 205
Width          (mm)  405 405 405 405 405 405 305 305 205
Thickness    (mm)  13-100 6-100 4-50 2.5-25 2-25 2-25 1.25-20 1-13 1-10
Density        (% Relative)  3-15% 3-15% 3-15% 3-10% 3-10% 3-10% 3-5% 3-5% 3-5%
*Call for sizes and density combinations not on this table