It is peel-apart film.
For a 4x5 camera you would need a Polaroid 405 back which itself is Graflok compatible so your camera back would need to be the same.
I have had an old pack or two and the main problem was lack of blacks even with exposing at lower ISO values. I didn't try longer development times , so maybe that is the key.
If you have all the compatible kit just give it a go. You could also get something like a Polaroid 2xx, 3xx, 4xx camera and try it with that.