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This company is advertising its silicone defoamers, mentioning that they are the best choice for your money and make production more efficient. 

If you think you’re saving money with organic defoamers, we’re about to burst your bubble. Compared prices of organoc and silicone defoamers lately? Since 1959, Dow Corning silicone defoamer prices have gone down more than 30%. And while their price is now more competitive with organic defoamers, Dow Corning silicone defoamers give you much more for your money. They are more efficient than virtually any organic defoamer. They make production faster, safer and more efficient. A minute quantity– sometimes as little as 10 ppm– does the job. If foam us slowing production at your operation, contact Dow Corning. We’ll send you a copy of our food-grade defoamer selector guide and our new value analysis foam so that you can prove to yourself that Dow Corning silicone defoamers do a better job at less cost. White Dow Corning Corporation, Dept. A-0338, Midland, Michigan, 48640.

They appeal to fiances, which is a good way to promote the use of the product. They also make a joke about bubbles, adding some humor in addition to the information. It shows how a superior technology can dismantle a competitor's price advantage by increasing overall production efficiency. Georgia Salcau