PRODUCT INFORMATION
Duralac is indispensable for the sealing of joints between dissimilar metals of all types including magnesium and its alloys. It is also valuable for the protection of metals in contact with wood, synthetic resin compositions, leather, rubber, fabrics etc.
When the components of a structure are of different materials, it is essential that the points or faces of contact should be treated with corrosion inhibiting materials because in the presence of electrolytes considerable differences of potential arise, not only where different metals are in contact, but also where components of the same metal under different stresses are in contact: for example as between the aluminium alloy plates or extrusions and rivets or bolts used in building up the structure, in industrial areas where structures are exposed, in flue ducts and acidic vapours.
In close proximity to the sea where a salt-laden atmosphere will be met with, structures will need the maximum attention to prevent corrosion due to the electrolytic cells set up by the salt-laden moisture deposited upon the structure.
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