... mesh - stock items): 60/80, 80/100, 100/120, 120/140, 140/170, 170/200, 200/230, 230/270, 270/325, 325 ... :2000-2800 times Mechanical Compression Strength (120/140 Mesh): 8-10 NewtonsMechanical Abrasion Resistance (120/140 Mesh): 84-90%Density: 1.63 ...