#tar storage

[tarfyi]

Does Tar Expire?

Tar does not expire like food, but it can change in storage. It may thicken, separate, form a skin, lose lighter fractions, or become harder to apply. A tin of tar is not usually ruined by a printed date in the way milk or medicine might be. Many tar products are heavy, stable mixtures that can sit for a long time. That said, storage still matters. Air, heat, cold, contamination, and loose lids…