The role of topcoat

What is topcoat?

Topcoat is a liquid, transparent, gel-like substance that can be used on surfaces such as interior and exterior wall paint to prevent dust, stain, and scrub. Therefore, topcoat is also called dustproof paint. According to search results, whether topcoat is necessary after applying artistic paint is a controversial issue.

Some people believe that applying a topcoat can increase the protective layer of artistic paint and improve its durability and glossiness. Others believe that artistic paint itself already has a certain hardness, glossiness and scratch resistance, and does not need an additional topcoat.

Functions of Topcoat 🌳

Dust-proof, stain-resistant, and scrub-resistant. A key function of topcoat is to prevent dust, stain, and scrub.

Extends the life of the primary coating.

The topcoat is alkali-resistant and UV-resistant.

Is topcoat necessary?

Some people believe that applying a topcoat can increase the protective layer of artistic paint and improve its durability and glossiness. Others believe that artistic paint itself already has a certain hardness, glossiness and scratch resistance, and does not need an additional topcoat.

Like the common lambskin, because its own topcoat has strong covering power and is also scrub-resistant, it only needs primer + lambskin topcoat.

Thin-powder velvet has insufficient hiding power, but for the sake of hand feel and visual effect, it partially sacrifices anti-fouling performance, so it requires primer + mid-coat + topcoat.

The thick paste type of Yajing Stone has strong covering power of topcoat, but if you want to enhance the scrub resistance, you need primer + topcoat + cover.