Migration
The movement over a period of time of an ingredient from one layer to another. DiscussionThis often occurs in electrical tapes where plasticizer in the polyvinyl chloride (PVC) backing 'migrates' into the adhesive.
Committee
Trace Materials
Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ANSI/ASTM E3260-21 Standard Guide for Forensic Examination and Comparison of Pressure Sensitive Tapes. ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428, 2021.
Source link
Reprinted, with permission, from ASTM, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the complete standard may be purchased from ASTM International, https://www.astm.org