Kreyenborg GmbH has proved its V-type screen changer in processing PET, and now the first filter with its special power-backflush technology is in operation in a polyolefin line: the direct extrusion of shredded high density polyethylene resin recycled from blow molding, to make sheets for the automotive industry.
The customers only wanted to use post-industrial and post-consumer recycled HDPE for the application, the firm said.
Kreyenborg's four-cavity screen changer combines a large filter area with a fully automatic backflush.
In the V-type screen changer, the melt is guided onto four screen cavities. The melt is split into four melt streams at the entry, and after filtration these melt streams are brought together again in the heated steel housing.
Kreyenborg is based in
Tel. 49-251-21405-856, fax 49-251-21405-665, e-mail [email protected].
