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ASTM D3222-99
Standard Specification for Unmodified Poly(Vinylidene Fluoride) (PVDF) Molding Extrusion and Coating Materials
Automatische name übersetzung:
Standard-Spezifikation für unmodifizierte Poly (vinylidenfluorid ) (PVDF) und Extrusion Molding Coating Materials
NORM herausgegeben am 10.4.1999
Informationen über die Norm:
Bezeichnung normen: ASTM D3222-99
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 10.4.1999
SKU: NS-22901
Zahl der Seiten: 5
Gewicht ca.: 15 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Die Annotation des Normtextes ASTM D3222-99 :
Keywords:
extrusion materials, fluorohydrocarbon plast, fluoropolymers, molding materials, polyvinylidene fluoride (PVDF), ICS Number Code 83.080.20 (Thermoplastic materials)
Ergänzende Informationen
| 1. Scope | ||||||||||||||||||||||||||||||||
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1.1 This specification covers melt processable molding and extrusion materials, as well as coating materials of poly(vinylidene fluoride) fluoroplastic, commonly abbreviated PVDF (or PVF2 in scientific literature). This specification covers thermoplastic resin materials supplied in pellet or powder form. 1.2 This specification applies only to the virgin homopolymer prepared from vinylidene fluoride, not copolymers, reinforced, filled grades or special grades with additives or treatments for modification of attributes. 1.3 The values stated in SI units and the practices of Practice E380 incorporated herein are to be regarded as standard except where common usage or test method specify common units acceptable within Practice E380. 1.4 The tests involved are intended to provide information for specification of unmodified PVDF homopolymer resins. It is not the purpose of this specification to provide engineering data for design purposes. 1.5 PVDF fluoroplastics melt between 156 and 180°C (312 and 356°F) and are thermally stable up to about 370°C (698°F). Note 1-Evolution of corrosive and toxic hydrogen fluoride can occur under certain conditions.1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Note 1 and Section 9. Note 2-PVDF exhibits polymorphism. The type and extent of crystalline structure varies with the thermomechanical history of the sample. Specimens prepared by techniques different than prescribed in this specification could have properties that may vary from the values specified. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||
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