Corrosion-x heavy duty is for super long-term protection against serious rust and corrosion assault. For those really tough jobs where you need the ultimate protection against moisture, the answer is new corrosion-x heavy duty. There is no other product like it on the market today. It is a high performance, thick-film version of corrosion-x. It was developed specifically to provide maximum protection against moisture intrusion and resulting rust and corrosion. Recommended for use on boat trailers by field and stream.
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