一种涂料，是这么说的，
extent the life of the coatings used in the tanks by establishing high-build, edge retentive, solvent-free expoxy protocols to replace the solvent-based coatings.

high-build, edge retentive, solvent-free expoxy protocols 不知道怎么理解，哪位大侠知道，麻烦指点一下，不胜感激。
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