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2544 tannin inhibitor

Fruit and bark of wood contain rich tannins. Tannic acid is soluble in water. Due to the action of the enzyme, it is easily oxidized and yellowing in the air, subsequent coating must be blocked by the layer of primer. One method is blocked by cation, the other method is using the effective blocking inhibitor. 2544 can complex with the polyphenols of tannin, effectively inhibit the yellowing of wood primer.
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