Pre-carding segments for cotton cards mainly play the role of enhancing taker-in pre-carding , reducing the wear of revolving flats and improving the removal of neps and impurities.
The types of card wires for pre-opening are : FD4: 40teeth/inch² FD6: 60teeth/inch² FD9: 90teeth/inch²
FD sries can be used for varied types of cotton carding machines including DK series (DK715-DK903)