The cap of the toothpaste tube is made of a material which can be used for the manufacture of reliable non-conductive compound when attaching wires and electronic components on the circuit Board and seals intact. It is enough to touch the cap with a hot soldering iron. A drop of molten material flowing down in the seat securely attach the elements of the product. Such a polyethylene adhesive often used in foreign electronic structures. It is best for such a function suitable transparent caps of plastic polyethylene with a melting point of 110— 130°C. S. ROMIC, Chernigov
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