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ASTM D6778-14

Standard Classification System and Basis for Specification for Polyoxymethylene Molding and Extrusion Materials (POM)

Automaticky přeložený název:

Standardní systém klasifikace a základ pro specifikaci pro Polyfolmadegidy tváření (POM)

NORMA vydána dne 1.8.2014

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Informace o normě:

Označení normy: ASTM D6778-14
Poznámka: NEPLATNÁ
Datum vydání normy: 1.8.2014
Kód zboží: NS-36491
Počet stran: 7
Přibližná hmotnost: 21 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Výrobky z pryže a plastických hmot obecně

Anotace textu normy ASTM D6778-14 :

Keywords:
acetal, acetal copolymer, acetal homopolymer, acetal terpolymer, classification, classification system, line callout, L-P-392A, MIL-P-46137A (MR), plastic materials, polyformaldehyde, polyoxymethylene, polyoxymethylene copolymer, polyoxymethylene homopolymer, polyoxymethylene terpolymer, POM, recycle, specification, ICS Number Code 83.140.01 (Rubber and plastic products in general)

Doplňující informace

1. Scope

1.1 This classification system covers polyoxymethylene materials suitable for molding and extrusion. This classification system allows for the use of polyoxymethylene plastic materials that are recycled, reconstituted, recycled-regrind, recovered, or reprocessed, or combination thereof, provided that the requirements as stated in this specification are met. It is the responsibility of the supplier and the buyer of recycled, reconstituted, recycled-regrind, recovered, or reprocessed polyoxymethylene plastic materials, or combination thereof, to ensure compliance. (See Guide D7209).

1.2 The properties included in this standard are those required to identify the compositions covered. Other requirements necessary to identify particular characteristics important to specialized applications are to be specified by using suffixes as given in Section 5.

1.3 This classification system and subsequent line callout (specification) 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 can be made by those having expertise in the plastic field only after careful consideration of the design and the performance required 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 standard.

1.4 The values stated in SI units are to be regarded as the standard.

1.5 The following precautionary caveat pertains only to the test method portion, Section 11, 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 requirements prior to use.

Note 1: This classification system is similar to ISO 9988-1/-2, although the technical content is significantly different.

2. Referenced Documents

D618-21	Standard Practice for Conditioning Plastics for Testing
D883-24	Standard Terminology Relating to Plastics
D4000-23	Standard Classification System for Specifying Plastic Materials
D5630-22	Standard Test Method for Ash Content in Plastics
D7209-06	Standard Guide for Waste Reduction, Resource Recovery, and Use of Recycled Polymeric Materials and Products (Withdrawn 2015)
D1600-18	Standard Terminology for Abbreviated Terms Relating to Plastics (Withdrawn 2024)
D3892-15(2020)	Standard Practice for Packaging/Packing of Plastics
D6100-17	Standard Specification for Extruded, Compression Molded and Injection Molded Polyoxymethylene Shapes (POM)
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ISO 75-1	Plastics--Determination of Temperature of Deflection under Load--Part 1: General Test Method
ISO 179-1	Plastics--Determination of Charpy Impact Properties--Part 1: Non-instrumented Impact Test
ISO 294-1	Plastics--Injection Moulding of Test Specimens of Thermoplastic Materials--Part 1: General Principles, and Moulding of Multipurpose and Bar Test Specimens
ISO 527-1	Plastics--Determination of Tensile Properties--Part 1: General Principals
ISO 75-2	Plastics--Determination of Temperature of Deflection under Load--Part 2: Plastics and Ebonite
ISO 527-2	Plastics--Determination of Tensile Properties--Part 2: Test Conditions for Moulding and Extrusion Plastics
ISO 1133	Plastics--Determination of the Melt-Mass Flow Rate (MFR) and the Melt Volume-Flow Rate (MVR) of Thermoplastics
ISO 11357-3	Plastics--Differential Scanning Calorimetry (DSC)--Part 3: Determination of Temperature and Enthalpy of Melting and Crystallization
ISO 1183	Plastics--Methods for Determining the Density of Non-Cellular Plastics--Part 1: Immersion Method, Liquid Pyknometer and Titration Method
ISO 3451-1	Plastics--Determination of Ash--Part 1: General Methods
ISO 9988-1	Plastics--Polyoxymethylene (POM) Moulding and Extrusion Materials--Part 1: Designation System and Basis for Specifications
ISO 9988-2	Plastics--Polyoxymethylene (POM) Moulding and Extrusion Materials--Part 2: Preparation of Test Specimens and Determination of Properties
ISO 20753	Plastics--Test Specimens