Powder defoamer is a solid powder defoamer. Powder defoamer is often used in the building materials industry, which can more quickly eliminate the foam problems caused by technological problems in the construction industry. It is a kind of industrial production additive with good defoaming and anti-foaming effect.
According to its main composition, different type of powder defoamer has different functions:
1. The powder defoamer, which is mainly composed of polymer and organosilane, is often used for defoaming in spray coating process.
2. The high efficiency powder organosilicon defoamer formed by silicone polyether graft copolymerization can be used for foam produced in the process of oil field drilling, delayed coking and oil-water separation.
3. The powder defoamer, which is mainly composed of liquid hydrocarbons, polyethylene glycol and non-crystalline silicon dioxide, is mainly used in the defoaming of grouting material, water reducer, putty powder and so on.
4. The powder polyether defoamer is mainly composed of special modified polyether. It is mainly used for defoaming of all kinds of mortars (such as building mortar, dry powder mortar, dry mixing mortar, gypsum mortar, oil field cementing mortar, etc.), coating, papermaking, water reducer, putty powder, desulphurization and so on. It is also the most widely used and most commonly used powder defoamer.
How to use powder defoamer?
The powder defoamer was dissolved in water and then added to the foaming system several times. Or put the powder defoamer into a cloth filter bag, divide it into several pieces and put it into the foaming system. It is necessary to control the dilution of powder defoamer dissolved in water.
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