The pores of about 1um are deep from the surface to the center, and the pore volume accounts for about 50% of the particle area, so it has good adsorption performance and slow release effect on the target. Used as sound insulation coating for equipment, locomotives, automobiles, sound insulation covers, etc. , play the role of vibration reduction, noise reduction, noise elimination and sound insulation. Features of sound insulation coatings: Sound insulation coatings are suitable for indoor and outdoor building surfaces such as general residential quarters, roadside houses, tunnels, road noise barriers, villas, high-end houses, hotels, schools, gymnasiums, concert halls, opera houses, factories, etc. Strong sound absorption performance, effective reduction and mitigation of noise, excellent effect. Rich and bright colors, excellent leveling performance, simple painting, excellent adhesion, color retention, aging resistance, mildew and algae prevention, alkali resistance, ultraviolet resistance and other functions. The construction method of coating is generally described on the outer packaging of the manufacturer. There are many construction methods, such as spraying and brushing. And according to the manufacturer's construction method is also possible.