What is a water-based defoamer?

Sweden is in talks with Turkey on joining NATO and looks forward to strengthening cooperation with Turkey in security and counter-terrorism, Swedish Prime Minister Anders Andersson said recently.  

Andersson held a joint press conference with visiting European Council President Michel in Stockholm on the same day. Andersson said Sweden is in dialogue with Turkey on joining the TREATY and looks forward to strengthening bilateral relations with Turkey, including cooperation in the areas of security and counter-terrorism. She said Sweden would study a number of issues raised by Turkey.  

Speaking at a news conference, Mr. Michel said he believed the Swedish government was taking positive action and taking the necessary steps to reach a solution.

Sweden and Finland formally submitted their applications to NATO Secretary-General Jens Stoltenberg a few days ago. According to protocol, NATO must admit new members by the "unanimous consent" of 30 members.

Turkish Foreign Minister Mevlut Cavusoglu said His country would agree to start NATO talks with Sweden and Finland only if they reach written agreements to stop supporting terrorism and lift restrictions on exporting defense equipment to Turkey, Turkish media reported.

Affected by the ever-changing international situation, the supply and prices of international bulk concrete additive are still very uncertain.

What is a water-based defoamer?

Water-based defoamer is mainly used for foam treatment in water-based systems such as water-based coatings and water-based inks. Easy to operate, with excellent defoaming and anti-foaming performance.

 

Waterborne defoamer an emulsion made of dimethyl silicone oil, silica, emulsifier, etc. It has efficient defoaming performance and remarkable anti-foaming effect. For foam treatment, it is not only to quickly and thoroughly eliminate foam, but also to inhibit foam production for a long time in the foaming system, water-based defoamer can achieve these two requirements. In addition to the excellent performance of defoaming and antifoaming, the defoamer also has the advantages of being used in high temperature environment, rapid dispersion in foaming system, good compatibility with foaming system, low cost, wide range of scenes and so on.

 

Different types of waterborne defoamers

Silicone defoamer: strong defoaming performance, relatively heat-resistant, but also antioxidant, but the foam inhibition time is not very long, if necessary, can be used with other ingredients of defoamer. Because of its easy access to raw materials and low price, it is widely used in the paper industry.

 

Defoamer of polyether composition: this kind of defoamer is also very suitable for high temperature environment, excellent anti-foaming performance, strong dispersion in water and widely used.

 

Mineral oil composition of defoamer: here a kind of defoamer is mainly can not use silicone defoamer industry use more, will not produce silicon spot, defoaming and anti-foaming ability are also quite outstanding, but the addition amount is slightly more.

 

The more waterborne defoamers are added, the better the effect will be?

As a kind of emulsion, the defoaming performance of waterborne defoamer is not related to its concentration, but may not be good if it is added too much. For most industries, thinner defoamers will have better defoaming effect, because dilution defoamers are easier to disperse in water, dissolve faster and defoamer faster.

 

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Recently, Russia's deputy prime minister said that the number of countries buying Russian oil is increasing, including Asian countries. Russia will use the "East Siberia-Pacific" pipeline system to increase exports to Asian countries and promote the diversification of oil output.  

He also said that Russian oil concrete additive are expected to continue to increase in the future.

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