--- title: American Durafilm Blog | Resealable Test Sample Bags description: Resealable Test Sample Bags | --- [![AmDuraLogo](https://market.americandurafilm.com/hubfs/AmDuraLogo.svg)](http://www.americandurafilm.com/)   ![mobile](https://market.americandurafilm.com/hubfs/mobile.svg) [(888) 809-2314](tel:8888092314) ![email](https://market.americandurafilm.com/hubfs/email.svg) [info@americandurafilm.com](mailto:info@americandurafilm.com)   [       My Account](https://americandurafilm.com/my-account/)       [Shop ](https://americandurafilm.com/shop/) - [Fabrication](https://americandurafilm.com/fabrication/) - [Resealable Duralok Bags](https://americandurafilm.com/fabrication/resealable-duralok-bags/) - [Fabricated Bags](https://americandurafilm.com/fabrication/fabricated-bags/) - [Thermoforming](https://americandurafilm.com/fabrication/thermoforming/) - [Die Cutting](https://americandurafilm.com/fabrication/die-cutting/) - [Sheeting](https://americandurafilm.com/fabrication/sheeting/) - [TCGF Cylinders](https://americandurafilm.com/fabrication/tcgf-cylinders/) - [Film Lamination](https://americandurafilm.com/fabrication/film-lamination/) - [Film Distribution](https://americandurafilm.com/film-distribution/) - [Kapton® Film](https://americandurafilm.com/film-distribution/kapton-film/) - [Teflon® FEP Film](https://americandurafilm.com/film-distribution/teflon-fep-film/) - [Teflon® PFA Film](https://americandurafilm.com/film-distribution/teflon-pfa-film/) - [Tefzel® ETFE Film](https://americandurafilm.com/film-distribution/tefzel-etfe-film/) - [Tedlar® Film](https://americandurafilm.com/film-distribution/tedlar-film/) - [ChemFilm® ETFE Film](https://americandurafilm.com/film-distribution/chemfilm-etfe-film/) - [ChemFilm® FEP Film](https://americandurafilm.com/film-distribution/chemfilm-fep-film/) - [ChemFilm® PFA Film](https://americandurafilm.com/film-distribution/chemfilm-pfa-film/) - [FEP Extruded Layflat Tubing](https://americandurafilm.com/film-distribution/fep-extruded-layflat-tubing/) - [Heat Shrinkable Rollcovers](https://americandurafilm.com/film-distribution/heat-shrinkable-rollcovers/) - [Polyimide Tubing](https://americandurafilm.com/polymide-tubing/) - [Small Diameter](https://americandurafilm.com/polymide-tubing/small-diameter/) - [Large Diameter](https://americandurafilm.com/polymide-tubing/large-diameter/) - [Specialties/Sub-Assemblies](https://americandurafilm.com/polymide-tubing/specialties-sub-assemblies/) - [Technical Data](https://americandurafilm.com/polymide-tubing/technical-data/) - [High-Performance Coatings](https://americandurafilm.com/high-performance-coatings/non-stick-low-coefficient-of-friction-non-wetting/) - [Non-stick / Low coefficient of friction / Non-Wetting](https://americandurafilm.com/high-performance-coatings/non-stick-low-coefficient-of-friction-non-wetting/) - [Service Temperature](https://americandurafilm.com/high-performance-coatings/service-temperature/) - [Chemical Resistance](https://americandurafilm.com/high-performance-coatings/chemical-resistance/) - [Dielectrics](https://americandurafilm.com/high-performance-coatings/dielectrics/) - [FDA Conformity / 21CRF](https://americandurafilm.com/high-performance-coatings/fda-conformity-21crf/) - [Recoating](https://americandurafilm.com/high-performance-coatings/recoating/) - [About](https://americandurafilm.com/about-us/our-history/) - [Our History](https://americandurafilm.com/about-us/our-history/) - [Our Process](https://americandurafilm.com/about-us/our-process/) - [Our Facility](https://americandurafilm.com/about-us/our-facility/) - [Our Partners](https://americandurafilm.com/about-us/our-partners/) - [Design & Prototype](https://americandurafilm.com/about-us/design-prototype/) - [Industries](https://americandurafilm.com/about-us/industries-overview/) - [Blog](https://americandurafilm.com/about-us/blog/) - [Contact Us](https://market.americandurafilm.com/contact-american-durafilm) - [Whitepapers](https://americandurafilm.com/about-us/whitepapers/) - [Spec Sheets](https://americandurafilm.com/about-us/spec-sheets/) - [ISO 9001: 2015 Certification Compliance](https://americandurafilm.com/about-us/certification-compliance/) # American Durafilm Blog ## [Introducing Resealable FEP Duralok™ Bags for Caustic or Critical Lab Samples!](https://market.americandurafilm.com/blog/introducing-resealable-fep-duralok-bags-for-caustic-or-critical-lab-samples) Posted by [Mack Hendrick](https://market.americandurafilm.com/blog/author/mack-hendrick) on Jan 23, 2017 6:05:37 PM - [Tweet](https://twitter.com/share) [![](https://market.americandurafilm.com/hubfs/Duralock2.jpg)](https://market.americandurafilm.com/blog/introducing-resealable-fep-duralok-bags-for-caustic-or-critical-lab-samples) 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. [Read More](https://market.americandurafilm.com/blog/introducing-resealable-fep-duralok-bags-for-caustic-or-critical-lab-samples) 0 Comments [Click here to read/write comments](https://market.americandurafilm.com/blog/introducing-resealable-fep-duralok-bags-for-caustic-or-critical-lab-samples#comments-listing) Topics: [Duralok](https://market.americandurafilm.com/blog/topic/duralok), [Resealable Duralok Test Sample Bags](https://market.americandurafilm.com/blog/topic/resealable-duralok-test-sample-bags), [Duralok Technology](https://market.americandurafilm.com/blog/topic/duralok-technology), [Resealable Test Sample Bags](https://market.americandurafilm.com/blog/topic/resealable-test-sample-bags) [All posts](https://market.americandurafilm.com/blog/all) ## Where Ideas Take Shape ### 5 Steps to Project Success Our team provides turn-key solutions with customized designs, specifications, and certifications. We have the flexibility to use or adapt existing processes, or develop new processes to meet your design requirements—working with you every step of the way. - Interview you for comprehensive project scope - Review proposed design and drawings - Design and create prototype - Follow-up and modify if necessary - Create or continue to production run ## Subscribe to Our Blog ### Recent Posts ### Posts by Topic - [Kapton Films (7)](https://market.americandurafilm.com/blog/topic/kapton-films) - [Fluoropolymer Coatings (6)](https://market.americandurafilm.com/blog/topic/fluoropolymer-coatings) - [Fluropolymer Coatings (5)](https://market.americandurafilm.com/blog/topic/fluropolymer-coatings) - [Kapton Film (5)](https://market.americandurafilm.com/blog/topic/kapton-film) - [Teflon Coatings (5)](https://market.americandurafilm.com/blog/topic/teflon-coatings) - [Duralok Technology (4)](https://market.americandurafilm.com/blog/topic/duralok-technology) - [Tedlar® polyvinyl fluoride (PVF) film (4)](https://market.americandurafilm.com/blog/topic/tedlar-polyvinyl-fluoride-pvf-film) - 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