| 摘要 |
The invention relates to a storage packet for welding flux, in the form of a bag ( 1 ) containing welding flux ( 5 ) and with at least one layer of thermo-welded polymer ( 3 a, 3 b) and at least one metal film ( 2 ), superimposed one on the other and a structure with flexible deformable walls forming said bag ( 1 ), characterized in that said bag ( 1 ) is hermetically sealed and pressured within the bag is less than atmospheric pressure. The invention further relates to a method for storage of welding flux in such packet.
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