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发布时间:2019-08-13 00:00:00
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Fumed Silica Application in Silicone Oil Defoamers as an Adsorbent

  • Categories:Industry news
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  • Time of issue:2020-06-19 19:00
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(Summary description)When being used in defoamers, fumed silica plays the very important role of adsorbent.

Fumed Silica Application in Silicone Oil Defoamers as an Adsorbent

(Summary description)When being used in defoamers, fumed silica plays the very important role of adsorbent.

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2020-06-19 19:00
  • Views:
Information
When being used in defoamers, fumed silica plays the very important role of adsorbent.
As an extremely important advanced ultra-fine inorganic nanomaterial, fumed silica boasts characteristics such as small particle size, large specific surface area, high surface energy and three-dimensional network structure. These features make fumed silica very effective in adsorbing bubbles and assisting silicone oil in suppressing and eliminating bubbles as walls of bubbles absorbed and impacted by the fumed silica will become thinner, making the bubbles more likely to break under the action of silicone oil with low surface tension.
When being added to the defoamers, fumed silica plays a very important role despite only accounting for a smaller part of the product. It and silicone oil, another active ingredient for high-efficiency defoamers, jointly achieve highly efficient defoaming by collaborating with each other.
Thanks to its special three-dimensional network structure, fumed silica boasts the best adsorption capacity among materials of the same kind (under the same conditions, the defoamer with silica soot shows the strongest defoaming ability) and thus is very suitable for production of high-performance composite defoamers. 
HUBEI HUIFU NANOMATERIAL CO.,LTD. former company name : Yichang Huifu Silicon Material Co., Ltd. is a domestic company specializing in the research, development, production and sales of hydrophilic and hydrophobic fumed silica products. The company has led the formulation of domestic industry standards for fumed silica products and the international standard ISO18473-3:2018 "Fumed Silica in Silicone Rubber". By manufacturing series products such as HL-150\200\300\380 series hydrophilic fumed silica and HB-132\135\612\151 series hydrophobic fumed silica, the company is able to provide comprehensive solutions for customers in various industries.
 

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