Recommendations for sealing shattered solar panels

Hi,
I know very little about solar but just bought some 370w panels for very cheap that are new but have shattered glass. Very shattered. They still seem to work, though (tested Voc), and I'm going to use them to learn about creating a solar setup.
I am wondering what is the optimal product to seal them with. I've seen a lot of recommendations on YouTube and want to hear from the permies.
Thanks!