It has extremely low water and oxygen transmission rates . It can be vacuum and heat sealed and the inner layer of the aluminium foil can have VCI protection to protection corrosion of metals.
ALBAR 4100 - Aluminium barrier film 100 microns thickness with one side aluminum and other side LDPE for food and non food grade applications
ALBAR 4150 - Aluminium barrier film 150 microns thickness with one side aluminum and other side LDPE for food and non food grade applications
ALBAR 4250 - Aluminium barrier film 250 microns thickness with one side aluminum and other side LDPE for food and non food grade applications