date:Jul 28, 2016
hat change irreversibly from the time of their activation. The rate of change is temperature dependent, increasing at higher temperatures in a manner similar to most physicochemical reactions. The change is usually expressed as a visible response, in the form of a mechanical deformation, color development or color movement. The visible reading gives some information on the storage conditions that have preceded it. I think it is time that the retailer and manufacturer get together to jointly shar