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ASTM

D8349-21

Standard Classification System for and Basis of Specifications for Thermoplastic Joining Interface Materials for Creation of Joints Between Different Materials for the Production of End Items or Parts that are Intended to be Disassembled and/or Reassemb

2021

5

ASTM Vol.08.03 (2022)

This classification system covers thermoplastic materials, used as joining materials, for the creation of joints between similar or dissimilar materials, to produce finished products or parts that are intended to be disassembled and/or reassembled. This class of materials enables disconnection of the different parts or layers of a products for refurbishing, repair and full recovery and recycling of the joined materials, for instance at the end of life of the product(s), enabling the reuse of valuable resources, and hence reducing adverse impact on the environment. The properties included in this classification system are those required to identify the materials covered. It is possible that there are other requirements necessary to identify particular characteristics important to specialized applications. One way of specifying them is by using the suffixes as given in Section 5This 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 is best 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 costs involved, and the inherent properties of the material other than those covered by this classification system.

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