Which statement about sealers is true?

Sealers play a crucial role in preparing surfaces for painting, particularly in automotive refinishing. The correct statement emphasizes that sealers are typically used to enable better adhesion for finishes. By creating a uniform and stable surface, sealers help paint stay in place and prevent issues such as peeling or flaking over time. This is especially important in automotive applications, where the durability of the finish is critical for both appearance and protection against the elements.

The other statements do not accurately convey the primary function of sealers. While some sealers may alter surface texture, not all sealers create a textured surface for top coats. Sealers are not limited to automotive refinishing; they are also used in other industries and applications. Lastly, while sanding can enhance adhesion and smoothness of some finishes, it is not a universal requirement for all sealers to ensure optimal results.