By combining the physical properties of Portland Cement with the strength of mineralized wood fibers, ARMOROCÂ® is ideally suited for all applications where durability and fire-resistance are a concern.
6-8 Months. Of course, all foods last for a shorter period of time if they are not stored properly. But, like many other products, tortillas usually have a best by date which is simply the last date by which a manufacturer will vouch for a product's quality, not its safety.
I had some three cheese tortellini that was in a plastic container that was dried kind. I don't know how long it will last, but I just cooked some that I had in the refrigerator since Dec or so (to see if it'd cook ok), and the pasta part cooked fine, but the cheese was rock solid. So anything more than 6 months definitely won't do.