胶带一般都是由带体和粘合剂组成,有些还加有底涂剂和隔离剂等辅助部分。本文所论的非透明胶带的带体指的是透明的塑料薄膜,粘合剂是带有黄色、红色等颜料的粘合剂。日常办案中,黄色胶带纸光面指纹多用“502”胶熏显,有时由于客体上的汗液较少或遗留时间较长,显现出的指纹反差 Adhesive tape is generally composed of tape and adhesive, some also added primer and release agent and other ancillary parts. The tapes of the non-transparent tapes referred to herein are transparent plastic films, and the adhesive is an adhesive with yellow, red, etc. pigments. Daily handling of cases, the yellow tape of glossy fingerprints and more with “502” gum smoked significantly, sometimes due to less perspiration on the object or a longer residence time, showing the fingerprint contrast