Dealing with protective plastic film during the installation of a new kitchen sink is common; this film's purpose is to preserve the sink's flawless appearance until it is fully installed and operational. This blog will walk you through the rationale behind this barrier, when it's best to take it off, and answer some frequently asked questions.
https://lipkahome.com/blogs/news/how-to-remove-protective-plastic-film-from-a-kitchen-sink