How long can Safe 30 be warmed for reuse?

Safe 30 can be warmed for reuse indefinitely, which is why "unlimited" is the correct answer. This capability is essential in ensuring that the product can remain usable over extended periods, allowing for flexibility during repairs. It underscores the importance of maintaining the appropriate temperature without a strict time limit, promoting efficiency and convenience in the application process.

In contrast, the other options imply restrictive timeframes that do not align with Safe 30's intended use and guidelines, which are designed to maximize its effectiveness and ensure it can perform well whenever needed. Understanding this characteristic of Safe 30 is crucial for effective application in the field.