Solder ring – qdsunnyshop
[Waterproof and insulating] Unique double-wall design-Soldering ring heat shrink tubing with polyolefin tubing on the outside and hot melt adhesive on the inside.; Made of high-quality tinned copper and PE material, it is highly waterproof and insulating.; When heated, the polyolefin tubing becomes smaller in size, the adhesive flows through the insulator, forming a waterproof seal and ...
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