There’s a near religious debate in b&w photography over paper. See there are two kinds, the first and original paper with the emulsion directly on it, fiber or Fb (fiber base). The second is paper that’s essentially been laminated, or resin coated, RC, and the emulsion sits on the resin.
Why is there debate? Because we theoretically know how to make fiber base images last a very long time. Wash all the acidic fix out during processing and sepia or selenium tone the image, store