American Durafilm Blog

Solving a 50-Year-Old Problem Once you put your critical or caustic sample inside your field sample bag, how do you close it? Perhaps you’ve been using the standard protocol of either a clamp made of some other material, or have invested in expensive heat-sealing equipment that requires time, training, and resources to operate. Either option creates an extra step in your process, can present a rash of problems, and is inconvenient to use.