FIELD: chemical industry. SUBSTANCE: invention can be used in manufacture of polymeric articles. Proposed extrusion head for production of polymeric riffled sheets has housing with cooling system and two profiled inserts installed in housing and forming moulding slot communicating with flow-through channel. Housing is made split. Moulding slot has equal cross-section over entire width in form of sine curve. Projections and cavities are provided on edges of insert. EFFECT: increased capacity and improved quality of extruded riffled sheets. 3 dwg
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