The more defoamer added, the better the effect. In fact, the higher the added amount, the better. Take water-based coatings as an example. Adding too much defoamer will cause shrinkage, oiliness, etc., and it contains silicon. Adding too much defoamer will also affect readability. Conversely, if the added amount of defoamer is too low, it will also affect the effectiveness of the defoamer due...
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