Sealed container for storing thermoplastic material.

摘要

Drums of moisture- or air-sensitive materials are protected by placing on the exposed surface of the material, a layer of a fluid second material that is essentially impervious to air and moisture and is neither soluble or miscible in the material being protected by virtue of the fact that the two materials are chemically insoluble in each other or the viscosities are such that the degree of solubility is not significant.