Ampac’s SealPAK is a 2ply structure consisting of polyester and polyethylene (PET/PE). These boilable and freezable pouches will sustain temperatures from –56 to 115°C (–70 to 240°F).
2.5 mil SealPAKs are best used for light use and moderate protection.
4.5 mil SealPAKs are preferable for applications requiring long-term storage, sharper objects, or solutions of formaldehyde, acids, alkalies, greases, oils, and organic solvents.
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