90.93 Standard confirmed Nov 25, 2022
ISO
ISO/TC 24/SC 8 Test sieves, sieving and industrial screens
International Standard
73.120 Equipment for processing of minerals
Published
Describes three patterns using round (circular) and square perforations. The sizes of holes range down to 2 mm for square holes and to 0.5 mm for round holes. Five ratios of pitch to hole are specified which result in nominal open areas ranging from about 60 % to 23 %.
PUBLISHED
ISO 7805-2:1987
90.93
Standard confirmed
Nov 25, 2022