... Roll size:20,40,60,80,100mm used for battery Nickel wire mesh performanceUniform weaveflat easy to use of ... informationMesh =25.4/w+dOpening=w/(w+d )2 X100%Weight =w*w*mesh*0.5*Length*widthHow ... -2000mmtwill weave nickel wire meshmesh : 20-200 meshnickel battery wire meshmaterial N2,N4,N6,N8 99.98%Nmesh ... ,55mm,73mm,85mm,100mmnickel expanded metalMesh thickness 0.05-2.0mm ,opening min 0.5X1.0 mm, max ...