**The black plastic is hd polystyrene..my b
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I patch a 12v car battery that is broken and leaking. RTV silicone works well to patch a broken cracked or leaking car battery. I used a piece of polypropolene plastic as an outer shell for the battery patch. This is not a how to, this video is for entertainment, you are responsible for your own safety. Do NOT plastic weld or use a torch to seal a broken leaking 12v battery. Wear the proper eye protection and the gloves if you mess with batteries.

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