Eritrea Differences in water-based mineral oil Free of silicone defoamers(1)

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Eritrea  Advantages of water-based mineral oil in water-based paint systems:

Organosilicon type Free of silicone defoamers can reduce tension on the surface of coatings, have excellent defoaming and foam inhibiting capabilities, and have little effect on the gloss of the coating film under different environmental factors. However, when not used properly, they can cause poor recoating performance, uneven surface such as film shrinkage, and polyether type defoamers have high compatibility requirements and weak defoaming capabilities.

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Defoaming agents should have the following properties: ① strong defoaming power and low dosage; ② Adding to the foaming system does not affect the basic properties of the system, i.e. does not react with the defoaming system; ③ Low surface tension; ④ Good balance with the surface; ⑤ Good heat resistance; ⑥ Good diffusion and permeability, high positive spreading coefficient; ⑦ Chemical stability, strong oxidation resistance; ⑧ Good gas solubility and permeability; ⑨ Low solubility in foaming solutions; ⑩ No physiological activity, high safety.

The water-based mineral oil Free of silicone defoamershas a fast defoaming speed and a foam inhibiting effect of up to several hours, which is also well matched with the foam system. It can be carried out in harsh environments such as high temperatures and strong alkalis, with good results. After use, there will be no phenomena such as oil bleaching and demulsification