COMPOSITION FOR POLYVINYL CHLORIDE ROD, METHOD AND OBTAINING INSTALLATION THEREFORE

The compsn. comprises PVC (K 61-67) 80-100, refined calcium carbonate 5-15, lead stabiliser 1-6, hydrogenated stearin 0.1-0.8 and 2-ethyl hexyl phthalate plasticiser 4-10 parts by weight. The granulate is formed into bars greatly exceeding 10 mm in diameter and of compact structure. The extruder, of...

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Bibliographische Detailangaben
Hauptverfasser:	OROS HORIA, RO, ESANU MARTHA, RO, BACUI TICU, RO, PIRJOI DUMITRU, RO
Format:	Patent
Sprache:	eng ; rum
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The compsn. comprises PVC (K 61-67) 80-100, refined calcium carbonate 5-15, lead stabiliser 1-6, hydrogenated stearin 0.1-0.8 and 2-ethyl hexyl phthalate plasticiser 4-10 parts by weight. The granulate is formed into bars greatly exceeding 10 mm in diameter and of compact structure. The extruder, of the cascade type, is in two mutually perpendicular sections with L/D = 20-24 and 2-5 respectively and with inspection and vacuum vent holes between the sections.