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Standard Classification System for Unfilled Polyethylene Plastics Molding and Extrusion Materials with a Fractional Melt Index Using ISO Protocol and Methodology
Automatische name übersetzung:
Standard-Klassifizierungssystem für ungefüllte Kunststoffe Polyethylen Formmassen mit einem Fractional Schmelzindex Verwenden von ISO-Protokoll und Methodik
NORM herausgegeben am 1.8.2012
Bezeichnung normen: ASTM D7436-12
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.8.2012
SKU: NS-38454
Zahl der Seiten: 7
Gewicht ca.: 21 g (0.05 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
classification, classification system, line callout, molding and extrusion materials, polyethylene (PE), ICS Number Code 83.080.20 (Thermoplastic materials)
1. Scope | ||||||||||||||||||||||||||||||||||
1.1 This classification system provides for the identification of unfilled polyethylene plastics molding and extrusion materials, with a melt index of <1g/10 min, in such a manner that the supplier and the user agree on the acceptability of different commercial lots or shipments. The tests involved in this specification are intended to provide information for identifying materials in accordance with the groups, classes, and grades covered. It is not the function of this classification system to provide specific engineering data for design purposes. 1.2 This classification system allows for the use of recycled polyethylene materials provided that the requirements as stated in this classification system are met. The proportions of recycled material used, as well as the nature and amount of any contaminant, however, will not be covered in this specification. 1.3 The properties included in this
classification system are those required to identify the
compositions covered. There may be other requirements necessary to
identify particular characteristics important to specialized
applications. These shall be agreed upon between the user and the
supplier by using the suffixes given in Section 5.
1.4 This classification system and subsequent line callout (specifications) are intended to provide a means of calling out plastic materials used in the fabrication of end items or parts. It is not intended for the selection of materials. Material selection should be made by those having expertise in the plastic field after careful consideration of the design and the performance requirements of the part, the environment to which it will be exposed, the fabrication process to be employed, the costs involved, and the inherent properties of the material other than those covered by this classification system. 1.5 The values stated in SI units are regarded as the standard. 1.6 The following precautionary caveat pertains to the test method portion only, Section 12 of this classification system. 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. 1.7 For information regarding plastic pipe materials, see Specification D3350. For information regarding wire and cable materials, see Specification D1248. For information regarding classification of PE molding and extrusion materials using ASTM test methods, see Specification D4976.
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Standard Guide for Waste Reduction, Resource Recovery, and Use of Recycled Polymeric Materials and Products (Withdrawn 2015)
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Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
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ISO3167
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Dimensions of Test Specimens
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Standard Practice for Xenon-Arc Exposure of Plastics Intended for Outdoor Applications
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Standard Test Method for Environmental Stress-Cracking of Ethylene Plastics
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Standard Terminology for Abbreviated Terms Relating to Plastics (Withdrawn 2024)
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Standard Test Method for High Speed Puncture Properties of Plastics Using Load and Displacement Sensors
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Standard Specification for Polyethylene Plastics Molding and Extrusion Materials (Includes all amendments and changes 11/17/2022).
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Standard Practice for Compression Molding Thermoplastic Materials into Test Specimens, Plaques, or Sheets
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Standard Practice for Fluorescent Ultraviolet (UV) Lamp Apparatus Exposure of Plastics
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Standard Classification System for Specifying Plastic Materials
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Standard Specification for Polyethylene Plastics Pipe and Fittings Materials
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Standard Practice for Packaging/Packing of Plastics
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Standard Terminology Relating to Plastics
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Standard Specification for Polyethylene Plastics Extrusion Materials for Wire and Cable
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Standard Guide for Reporting Properties for Plastics and Thermoplastic Elastomers
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SAEJ2527
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Performance Based Standard for Accelerated Exposure of Automotive Exterior Materials Using a Controlled Irradiance Xenon-Arc Apparatus |
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