Shelf Life Details
Conditions for Validity: The stated shelf life applies only when the product packaging remains intact and sealed, and the product is stored in a cool, dry, and compliant environment.
Verification After Expiration: For products that have exceeded their shelf life, key specifications (such as whisker content and aspect ratio) can be re-tested; if the results meet technical requirements, the product may still be used normally.
Variations by Type: Regardless of the hydration state-whether anhydrous, hemihydrate, or dihydrate-calcium sulfate whiskers are subject to a standard shelf life of 12 months under compliant storage conditions.
Key Factors Affecting Shelf Life
If the storage environment is excessively humid, hemihydrate calcium sulfate whiskers tend to absorb moisture and convert into dihydrate calcium sulfate; this leads to premature performance degradation and a shortened usable lifespan.
If the packaging is damaged and the product is exposed to air for an extended period, issues such as clumping or structural damage to the whiskers may occur, preventing the product from meeting the nominal 12-month shelf life.
