Technical requirements for painting:
1. The surface of the paint film is smooth and flat, without collapse, dark pit cracks, sagging, obvious spraying spots, and there are no or very few small particles on the surface.
2. There is no double color or paste spraying at the corners, and there is no color difference and pattern color on the overall surface.
3. Uniform luster, smooth feel, etc.
Technical precautions for painting are as follows:
1. Prevent excessive drying; 2. Pay attention to dark paint; 3. Pay attention to fire prevention in dry season; 4. Stains on the painted surface; 5. Master the distance; 6. Primer selection, generally black and white; 7. Selection of tools, pot paint and spray gun.