supply of nickel screens-1 pure nickel screen for nhec make nk-1100 / 30 continuous c / f machine nchrome thickness 12 micron or above naperture 40 micron n 2 opening area 6.5% or above nsize :- 0.06 × 0.30 or above × 2.09 mm or above. n 3 opening area 4.2% or above nsize :- 0.04 × 0.30 or above × 2.09 mm or above. n 4 pure nickel screen for nhec make nk-1503 / 30 continuous c / f machine nchrome thickness 12 microns or above. naperture 40 micron n 5 opening area 6.5% or above nsize- 0.06 × 0.30 or above × 2.09 mm or above n 6 opening area 5.5% or above nsize- 0.05 × 0.30 or above × 2.09 mm or above n 7 pure nickel screen for krupp make nk-1500 continuous c / f machine nchrome thickness 12 microns or above. naperture 40 micron n 8 opening area 6.5% or above nsize- 0.06 × 0.30 or above × 2.09 mm or above n