Fritsch® Sieve Ring Trapezoidal Hole 0.75 mm PULVERISETTE 14 premium line Laser-welded with ver

Sieve ring 0.75 mm trapezoidal perforation with stainless steel reinforcing rings Sieve rings determine the final fineness of the specimen. Sieve rings with reinforcing rings and trapezoidal perforation are suitable for rapid comminution of medium-hard to soft materials; the trapezoidal perforation produces an additional shearing effect. In addition, sieve rings with reinforcing rings and round perforations, which are recommended for the size reduction of brittle material and medium fineness with a narrow grain width band, are available. Sieve rings are also available in other perforations.