In my car radiator, the coolant leaking due to minor crack in the plastic. The crack is in the initial stage so no problem now. But coolant leak by drop by drop.
I like to fill the crack in the plastic. What type of glue is used to fill the crack in plastic?
J-B weld original would be the best option since you're talking about the plastic part of your radiator: https://www.amazon.com/J-B-Weld-8265S-Cold-Weld-Reinforced/dp/B0006O1ICE
It can glue everything. I used it to glue acrylic to aluminium and acrylic to polyethylene to create pipe-flange leak-free joints. My acrylic-aluminium joint holds 0.35 bar gauge pressure of water and the acrylic-polyethylene holds about 0.15 bar gauge of water.
Before going with J-B weld original, I tried plastic specific J-B weld epoxies. None of the worked. Only J-B weld original saved me.
J-B weld in few minutes by mixing in ratio 1:1 will be efficient to seal the cracks for you and stop the leakage. J-B weld is not expensive. Check via the link below:
https://www.googleadservices.com/pagead/aclk?sa=L&ai=DChcSEwi9keKt15n7AhXVIysKHdcCCT8YABAKGgJzZg&ohost=www.google.com&cid=CAESbOD2nBosHhDKmrsrZunYnhOLX8OufVkADZRHVYvH6cqbN1iASMjQTVkr522v2v_hVSVZ53_nRR9fXsDbDeO-uBsYV-hqF1r-1hMDdyHpjGMzQOqbWUYohsh0yq5RFemP-CocMTNUtuprtPuKZw&sig=AOD64_2nQK_iI_41A8VL6tHYBJCcO8rd-g&ctype=5&q=&ved=2ahUKEwiYnNqt15n7AhX9y3MBHYcNCm8Q9aACKAB6BAgHEA8&adurl=
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