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Paper coating defoamer add in coatings’ preparation process,need use defoamer without defoamer,like mineral oil antifoam or polyether defoamer which have good compatibility with wetting agent and dispersing agent,will not form craterring or fisheye.
is a kind of mineral oil defoamer, it is composed of mineral oil, metallic soaps, silica and dispersants. it offer quick bubble break and excellent foam suppressing performance. It can be applied to water proof paint, water-based adhesive, water based ink and architectural coating etc
is a kind of non-silicone antifoam agent, it is composed of polyether ester and synergist agent, It has great dispersing performance, and it offer quick bubble break, excellent foam suppressing performance. The application temperature range is between 25°C to 55°C, good foam control performance can be achieved by small dosage, it can be used in Paper Coating, Surface sizing etc.
http://www.gs-defoamer.com/