This product is produced by wet grinding refining process, and the ultrafine calcium hydroxide particles have uniform particle size, with D50 ≤5μm. Compared with traditional calcium hydroxide powder, it has better dispersion in the coating system, and will not cause particle agglomeration, which will affect the smoothness of the coating surface. Its high whiteness (≥92%) can improve the color rendering and gloss of the coating, and it has good alkali retention performance, which can maintain a stable alkaline environment in the coating system for a long time. It has no irritating odor, and will not cause harm to the operators in the production process. It complies with the environmental protection standards of the European Union and the United States, and can be used in the production of green and environmentally friendly coatings.
The specific technical parameters of this product are as follows: calcium hydroxide purity ≥96.0%, particle size D50 ≤5μm, whiteness ≥92%, moisture content ≤0.3%, oil absorption 50-60 g/100g, PH value of 10% aqueous solution is 12.5-12.8, loss on ignition ≤3.0%, heavy metal content ≤10mg/kg, dispersion performance is premium grade, shelf life is 18 months. It is packaged in 25Kilograms woven bags, and needs to be stored in a dry and ventilated place to avoid moisture and water immersion, which will affect the product's dispersion performance.
This product is mainly applicable to the production of architectural coatings, wood coatings, industrial anti-corrosion coatings, plastic coatings and other coating products. It can be used as a filler and pH regulator in water-based interior wall coatings, exterior wall coatings, wood furniture coatings and anti-corrosion coatings for steel structures. It can also be used in the production of paper coatings to improve the smoothness and whiteness of paper. It has been widely used in domestic and foreign coating production enterprises, and has been recognized by a large number of coating formula developers and production workers.
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