The believed shelf-lifetime of Vihtavuori gunpowders is at least 10 years, if saved and sealed in its original containers in a temperature circa 20°C and relative humidity of circa fifty five %. All Vihtavuori reloading powders are packed into bottles and canisters and additional in fiberboard bins. N32C Tin Star https://owenl789uwv6.wikilowdown.com/user