What is the shelf life of my material?

Article courtesy of Smooth-On, Inc.

The shelf life of Smooth-On material refers to how long it can sit on a shelf (either unopened or after opening) before it begins to lose its ability to function normally or not be usable at all. The shelf life of a material will vary depending on chemistry and variables like exposure to heat or air after opening.

For more details about the shelf life of our materials: Click here to review our full Shelf Life Warranty ›


This FAQ article is offered as a guideline and offers possible solutions to problems encountered during mold making and casting. No warranty is implied and it is up to the end user to determine suitability for any specific application. Always refer to the provided Technical Bulletins (TB) & Safety Data Sheets (SDS) before using any material. A small scale test is suggested to determine suitability of any recommendation before trying on a larger scale for any application.