17 June 2013, 09:38
Fumes from volatile stores can degrade them too, so don't store near petrol, paint, some types of soft vinyl plastic, cooking oil etc.
When my uncle died and we cleared out his house we found boxed WW2 gas masks in the loft, the rubber on them was as good as the day it was made.
When my uncle died and we cleared out his house we found boxed WW2 gas masks in the loft, the rubber on them was as good as the day it was made.