What to do if water-based anti-COVID-19 paint peels off?

Peeling and poor adhesion of antiviral water-based paint:

1. Inappropriate substrate:

Smooth plastic parts, alloy parts, electroplated workpieces, surfaces coated with unknown fully dried oil-based paint or two-component water-based high-gloss paint. For such substrates, the surface must be thoroughly sanded to roughen it before applying water-based paint.

2. Inadequate cleaning of the substrate:

Mold, heavy dust, oil stains, or serious rust on the substrate surface before construction. All foreign matter must be completely removed before painting.

(For example, if the wall is powdery, the powdery layer must be fully removed and repaired with putty; metal surfaces must be sanded and derusted, oily metal must be degreased; moldy wooden substrates can be rinsed with water and fully dried before construction.)

3. Incomplete drying of the paint film:

As an air-drying water-based industrial coating, the adhesion of antiviral water-based paint improves with drying. Better drying results in stronger adhesion.

Under normal conditions (25°C, humidity <85%), full adhesion develops after 72 hours. Heating or hot-air drying can further improve adhesion.

(Some materials on this website are collected from the Internet. If any information displayed on this website infringes your copyright or other legitimate rights and interests, please notify us promptly and we will remove it immediately.)