One of the most common methods of film manufacture is Blown Film (also referred to as the Tubular Film) Extrusion. The process involves extrusion of a plastic through a circular die, followed by "bubble-like" expansion. The principal ...
Blown-film Extrusion can be defined as a process for forming Plastic films. The Blown-film extrusion involves a molten resin extruded through a circular die and filling the tube with air. The air within the tube stretches the film to obtain ...
Nanolayer extrusion technology is moving at breakneck speed. In blown film, Dow Chemical Company, Midland, Mich., recently discussed patent-pending technology for producing film structures with 100+ layers, while BBS Corp., Spartanburg, S. ...
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The European Food Safety Authority (EFSA) has approved two more plastics ingredients as safe for use in certain food contact materials. The European Union (EU) agency's panel on food contact materials, enzymes, flavourings and processing ...
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