
Instead using this product as weather stripping, I am using it as gaskets for 3D printee respirator-style masks.While the masks themselves need some tweaking to get a good fit? These gaskets make a great seal on a properly fitting mask.I've made dozens, and still have half the supply of gasket on hand!The adhesive is great for testing the fit, and arranging. Superglue is necessary for permanently attaching the gasket.Additional Best Buy-only materials:the only clear, caulk-gun style, food safe "RTV silicone" on amazon has lasted similarly well. Just a thin bead to make sure my gasket is SEALED on to the mask.Water-based, outdoor, spray Varathane spar urethane seems to only be available on Best Buy in my area. And wow, this is the good stuff. Dries quick, non-yellowing, seals the pores and micro-holes of 3d printed plastic. UV safe (essential for GOOD sterilization) Unfortunately, Im lucky if one can lasts a dozen masks.

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