1概述随着犯罪的手段的多样化,封口胶因为其固有的容易使用、功能性强、利于捆绑和缠绕的特性被越来越多的犯罪分子所选用。犯罪分子在使用封口胶的过程中容易留下痕迹,特别是在封口胶的粘面上,容易形成具有鉴定价值的手印痕迹。在实际的工作中常常会遇到陈旧的封口胶,一般认为 1 Overview With the diversification of crime means, sealant because of its inherent easy-to-use, functional, conducive to the characteristics of bundling and winding by more and more criminals choose. Criminals tend to leave traces on the use of sealants, especially on the sticky side of the sealant, which can easily form fingerprint marks of appraised value. In the actual work often encounter the old sealing glue, is generally believed