Leak-free PACKAGE in a PLASTIC FILM by Welding using a Soldering Iron

Useful DIY idea: sealing in a PP/PE film with the use of soldering iron. How to weld fine plastic films leakless to make impermeable to air/gas/water packages. An extremely simple method to receive perfectly tight sutures. Useful for anti-oxidation and water-proof packing. Simple and easy to DIY welding hand tool, made of a 12V-soldering-iron and 2-mm copper wire. Compilation of examples of the use: water-proof PP bale for a small electronic part, anti-oxidation packing of coins, bank-note safe enclosure, iron parts survival packing. Does Weller produce something like that? :)
► • ROLLER WELDER for Plas... - not leak-free welding with the use of roller soldering tip.
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