AFTE Store - Reprint: The Examination and Comparison of Plastic Bags used in Home Heat Sealers

The comparison of tools and toolmarks often involves the examination of items not encountered on a day to day basis. This article discuses the examination of heat sealers and the various toolmarks and defects they produce on polyester/polyethylene bags, as well as defects from tools used during the manufacturing process of the bags. This article originally appeared in the AFTE Journal Vol. 18 1 January 1986.