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  • The entrainment of uncontrolled air into cement based building

    The entrainment of uncontrolled air into cement based building

    materials leads inevitably to a loss of quality of high-performance concretes. Undesired air voids can weaken the system resulting in lower mechanical strength and abrasion resistance. A highly porous structure on the surface allows the penetration of harmful substances and can lead to surface defe... read more

    Apr 07,2021 Industry News
  • defoamer for textile auxiliary 

    defoamer for textile auxiliary 

    Large amount of foam is produced during the wet processing of textile dyeing and finishing because of the using textile auxiliaries, which affect the production operation, the production capacity go down, product quality would be degraded.  Therefore, it must remove the harm ful foam from the texti... read more

    Apr 07,2021 Industry News
  • A new generation of defoamers and their characteristics

    A new generation of defoamers and their characteristics

    The above-mentioned defoamers are all traditional defoamers, and their defoaming substances are all water-insoluble substances, and proper amount of emulsifiers, extenders, etc. need to be added to make them quickly and uniformly dispersed in the water-based paint to exert their defoaming effect. I... read more

    Apr 07,2021 Industry News
  • Varieties and limitations of current defoamers

    Varieties and limitations of current defoamers

    There are many types of defoamers in use, and there are three main types of defoamers for water-based coatings: Mineral oils, the market share is 80%; Polysiloxanes, with a market share of 17%; Polyethers have a market share of 3%. Among them, mineral oil defoamers have the highest cost performanc... read more

    Apr 07,2021 Industry News
  • Other mechanism of action of anti-foaming agent

    Other mechanism of action of anti-foaming agent

    The impact of expansion   The bubble film will break if it receives a certain degree of impact. The impact of the added anti-foaming agent on the bubble film can also rupture the bubble film. Solubilize the foaming surfactant   Some low-molecular substances that can be fully mixed with the solution... read more

    Apr 07,2021 Industry News

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