ASTM D4549-15

Standard Classification System and Basis for Specification for Polystyrene and Rubber-Modified Polystyrene Molding and Extrusion Materials (PS)

STANDARD published on 1.9.2015

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The information about the standard:

Designation standards: ASTM D4549-15
Note: WITHDRAWN
Publication date standards: 1.9.2015
SKU: NS-615119
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Thermosetting materials

Annotation of standard text ASTM D4549-15 :

Keywords:
high-impact polystyrene, line callout, plastics, polystyrene, specification,, ICS Number Code 83.080.10 (Thermosetting materials)

Additional information

1. Scope

1.1 This classification system covers polystyrene materials, both crystal and rubber modified, suitable for molding and extrusion.

1.2 This classification system and subsequent line callout (specification) are intended to be 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 plastics field 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 inherent properties of the material other than those covered by this specification, and the economics.

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

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

Note 1: This standard combines elements from ISO 1622-1-2 and ISO 2897-1-2, but is not equivalent to either ISO standard.

2. Referenced Documents

D792-20	Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D790-17	Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
D648-18	Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
D638-22	Standard Test Method for Tensile Properties of Plastics
D256-23e1	Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics (Includes all amendments and changes 4/7/2023).
D4000-23	Standard Classification System for Specifying Plastic Materials
D3892-15(2020)	Standard Practice for Packaging/Packing of Plastics
D1600-18	Standard Terminology for Abbreviated Terms Relating to Plastics (Withdrawn 2024)
D1525-17e1	Standard Test Method for Vicat Softening Temperature of Plastics (Includes all amendments and changes 9/15/2017).

E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
D1238-23a	Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer (Includes all amendments and changes 12/6/2023).
D5630-22	Standard Test Method for Ash Content in Plastics
D883-24	Standard Terminology Relating to Plastics

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