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Jul 13, 2018
Silicone defoamers
Silicone defoamers are silicone add dispersing aids prepared for a class of silicone secondary processing products. Oil type, silicone type ointment, solution, emulsion, self-emulsifying type and the like powdered form. On the tax system and the non-foaming liquid water system, there is a very good anti-foaming effect. Widely used in petroleum, chemical, fiber, paper, food, fermentation, drainage and sewage treatment and other industries. Silicone defoamers comparison with other types of defoamers, there are five characteristics:
In the chemical structure, unlike other organic compounds defoamers, non-polar. Will work with water and polar groups underwent association nor hydrocarbon compounds different SP values occurs association. Therefore, silicone defoamers are not dissolve in water, animal and vegetable oils, mineral oil, high boiling point, for most of the foaming system has a defoaming effect. Also, persistent suds is also very good.
Surface tension is small, it is also a very strong anti-foaming effect. Usually only the amount of foaming liquid amount of 10 × 10-6 ~ 200 × 10-6, will be able to achieve good results. Due to the small amount of the performance of the final product is not affected.
Chemical stability, heat resistance, anti-foaming neutral foaming system can adapt to high temperature of 150 ℃.
Methyl silicone oil with physical inertia, can be used in the food industry, cosmetics and pharmaceutical industries, formulated defoamers human security.
Small BOD silicone defoamers and anti-foaming system for sewage sludge does not increase the load.
Variety models and more choice for a variety of foaming system.