usable life


usable life

[¦yüz·ə·bəl ′līf] (chemical engineering) pot life

pot life

1. The period of time during which a thermosetting plastic or rubber composition remains suitable for its intended use after mixing with a reaction-initiating agent; working life. 2. The length of time a paint material is useful after its original package is opened, or after catalyst or other ingredients are added; also called usable life, spreadable life.