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ASTM D3222-18
Standard Specification for Unmodified Poly(Vinylidene Fluoride) (PVDF) Molding Extrusion and Coating Materials
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NORM herausgegeben am 1.5.2018
Informationen über die Norm:
Bezeichnung normen: ASTM D3222-18
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.5.2018
SKU: NS-847319
Zahl der Seiten: 5
Gewicht ca.: 15 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM D3222-18 :
Keywords:
extrusion materials, fluorohydrocarbon plastics, 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 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. 1.4 PVDF fluoroplastics melt between 156 and 180°C (312 and 356°F) and are thermally stable up to about 370°C (698°F). (Warning—Evolution of corrosive and toxic hydrogen fluoride can occur under certain conditions.) 1.5 The values stated in SI units, as detailed in IEEE/ASTM S-10, are to be regarded as the standard. The values given in parentheses are for information only. Note 1: PVDF exhibits polymorphism.2
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 can have
properties that vary from the values specified.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Note 2: There is no equivalent ISO standard for this specification. Information in this specification is technically equivalent to related information in ISO 12086-1 and ISO 12086-2. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||
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