to my knowledge, carbide does not rust.
as for desiccant packs, they have a very limited life span, depending on the environment they are in and must be replaced regularly - they do not last forever. You can not tell if they are good or bad just by looking at them.
as for desiccant packs, they have a very limited life span, depending on the environment they are in and must be replaced regularly - they do not last forever. You can not tell if they are good or bad just by looking at them.