We are Manufacturer of Quartz porous disc of different microns microns
Porosity pore size 200-300 microns
Porosity pore size 150-200 microns
Porosity pore size 90-150 microns
Porosity pore size 40-90 microns
Porosity pore size 15-40 microns
Porosity pore size 4-15 microns