mesh opening: 40um Yarn diameter:38um mesh count: 300/inch opening area: 23% material: nylon nylon mesh,filter mesh( filter netting,filter material). customize for what you need. nylon filter cloth(Jpp20)1)material: polyamide (PA6/PA66)2)mesh count: 300mesh/ inch 3)thread diameter:0.038mm+ 0.005mm4) thickness: 0.07mm+ 0.010mm5)mesh opening:0.04mm+ 0.005mm6) open area:23%+ 4% 2: We can provide ...