LEWA ecofoam The metering system for blowing agents in extrusion processes

LEWA ecofoam LEWA ecofoam® The metering system for blowing agents in extrusion processes The metering of blowing agent is of particular importance to guarantee the constant quality of the end product in extrusion processes. LEWA ecofoam is a system for the metering of blowing agents, e.g. butane, CO₂, halogenated hydrocarbons, pentane and propane into the plastic melt of an extrusion process. Performance overview: Pressure 50 bar to 500 bar Flow rate 0.05 kg/h to 250 kg/h Method of operation: The guide signal to control the diaphragm metering pump is linked to the extruder‘s speed. The metering...

LEWA ecofoam Application examples in the plastics industry Food package trays: For the production of packaging trays polystyrene foam, short PS foam, is used. Foam granulate: Expanded Polystyrene, Polyethylene and Poly rethane, short EPS/EPP/EPE are used for u the production of foam granulate, reusable transport boxes, moulded impact absorber in automotive, and insulation tubes. Insulation tubes: For manufacturing of insulation tubes Polyurethane foam (PU foam) as well as Polyeth ylene foam (PE foam) are used. For the production of packaging foil, impact sound insulation, and cap liners Polyethylene...

© D6-101en, 03.2018, Subject to change without notice, Layout and origin: Germany Your local representative: LEWA GmbH Ulmer Straße 10 71229 Leonberg Germany Telephone +49 7152 14-0 Fax +49 7152 14-1303 [email protected] www.lewa.de