| http://www.w3.org/ns/prov#value | - The blending of the polyethylene with the polypropylene can be done by malaxing, kneading, milling or otherwise blending the materials together in any convenient order in the desired proportions as by compounding the materials in a Waring Blendor, internal mixer such as a mixing extruder or a Banbury-type mixer, or on an external mixer such as an open-faced roll mill such as a rubber mill thereby
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