How Long Does The Silicone Bottle Cap Last?

Silicone is a highly active adsorption material, which is an amorphous substance. Its chemical molecular formula is mSiO2 · nH2O. It is insoluble in water and any solvents, non-toxic and tasteless, and stable in chemical properties. It does not react with any substances other than strong bases, hydrogen, fluorine, and acids, but it is still resistant to weak acids and bases.

Alcohol is no problem, if you stopper is made of a better silicone material, 7-8 years is no problem. It ’s just that silicone will age and yellow if used for a long time.