FILTERING MATERIAL Russian patent published in 2005 - IPC

FIELD: liquid purification.

SUBSTANCE: filtering material is made of piping knitted fabric produced by slicking . The priming fiber is made of synthetic threads , and slicking fiber is made of rubber threads which define fleecy surface on the face side. The length of the rubber thread in the loop is greater than that of the synthetic thread in the loop by a factor of 1.2-1.8. The piping knitted fabric receives cellulose fibrous cloth, rubber fibers or rubber crumb and polyurethane crumb whose volume ratio is 1:(2-4):(1.5-3), respectively.

EFFECT: enhanced quality of filtering.

2 dwg, 1 tbl