Improving the hiding power and coverage of paint: the key role of Calcium Carbonate Modification Machine

Calcium carbonate is an important filler widely used in paints, which can not only reduce the cost of paints, but also improve some of their physical properties. However, untreated calcium carbonate fillers tend to agglomerate in paints due to their strong surface hydrophilicity, resulting in uneven distribution of particles in the paint, which in turn affects the hiding power and coverage of the coating. The Calcium Carbonate Modification Machine effectively solves this problem through modification technology.

The equipment converts the hydrophilic surface of calcium carbonate into oleophilic or hydrophobic properties through chemical modification, making it more compatible with organic components in the paint. During the surface modification process, the modifier reacts with the surface of calcium carbonate particles to form an organic coating. This protective coating not only enhances the dispersion of calcium carbonate in the paint, but also reduces the agglomeration between particles, allowing calcium carbonate to be evenly distributed in the paint, thereby improving the hiding power and coverage of the paint.

The efficient drying system of the Calcium Carbonate Modification Machine can effectively remove moisture from calcium carbonate and improve its fluidity and dispersibility. The dried calcium carbonate particles are easier to distribute evenly in the paint, avoiding the phenomenon of uneven coating or concentration of paint particles during the coating process.

Specific manifestations of improving the hiding power and coverage of the paint
The modified calcium carbonate can form a uniform distribution system in the paint through effective dispersion, making the paint have stronger hiding power. Whether it is covering a dark substrate or an irregular surface, the modified calcium carbonate can improve the hiding effect of the paint and reduce the penetration or color permeation of the bottom layer.

Due to the better dispersibility of the modified calcium carbonate, the fluidity and construction performance of the paint have been significantly improved. During the coating construction process, the paint can be evenly applied to the surface of the substrate, reducing the occurrence of agglomeration or precipitation, and ensuring the uniformity of the coating. Smooth coating during the construction process not only improves the hiding power, but also improves the covering effect of the coating, so that the paint can better cover the irregular or defective surface of the bottom layer.

The uniform distribution of modified calcium carbonate can effectively avoid the agglomeration of particles and ensure that the coating surface is flat and smooth. The smooth coating not only improves hiding power, but also allows the coating to form a uniform covering layer after drying, which enhances the coating's aesthetics and stain resistance.

In architectural coatings, hiding power is not only related to appearance, but also to the waterproof performance of the coating. Modified calcium carbonate fillers help to increase the density of the coating through uniform distribution, thereby enhancing its anti-penetration properties. For exterior wall coatings, especially in scenarios with high requirements for waterproofing and corrosion resistance, coatings with stronger hiding power can effectively prevent the penetration of moisture and other pollutants and extend the service life of the coating.