ASTM-D5138 › Historical Revision Information
Standard Classification System and Basis for Specification for Liquid Crystal Polymers Molding and Extrusion Materials (LCP)
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Scope
1.1 This specification covers liquid crystal polymeric materials suitable for injection molding and extrusion.
1.2 The properties included in this specification 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 as given in Section 5.
1.3 This specification is 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 should be made by those having expertise in the plastic 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.
1.4 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 specification: 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.
Keywords
Aromatic polyester (ARP); extrusion materials; injection molding materials; line call out specification; liquid crystal polymers (LCP); recycled plast; ICS Number Code 31.120 (Electronic display devices)
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31.120 (Electronic display devices Including liquid crystal displays)
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Document Number
ASTM-D5138-90
Revision Level
1990 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
Oct. 26, 1990
Document Type
Specification
Page Count
3 pages
Committee Number
D20.15