Product category:
Materials and components
News Release from: BAC Corrosion Control | Subject: Corrosion protection
Edited by the Engineeringtalk Editorial
Team on 23 November 2000
Laminated zinc tape eliminates corrosion
A new laminated zinc tape eliminates risks of corrosion of steel underneath rubber window seals for the transport and automotive industries.
A new laminated zinc tape that eliminates risks of corrosion of steel underneath rubber window seals for the transport and automotive industries has been introduced by BAC Corrosion Control, Telford, a leading specialist in corrosion protection Typical applications are railway carriages, trams, buses and coaches, commercial vehicle cabs and the automotive industry generally
This article was originally published on Engineeringtalk on 19 Jul 2002 at 8.00am (UK)
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ISOZIN laminated zinc tape comprises a layer of 99.99% pure zinc 80 microns (0.08mm) thick with 25 microns (0.025mm) of adhesive protected by a removable siliconised paper.
It is available in 50 metre long rolls in widths ranging from 10mm up to 300mm.
Feature of the new laminated zinc tape is its electrically conductive adhesive which, as well as securing the tape to the steel substrate ensures a positive electrical connection to the zinc so that it can act as a sacrificial galvanic anode.
This is achieved by incorporating a percentage of powdered zinc into the adhesive during manufacture.
The product is designed to cover unpainted iron, steel and aluminium alloys to provide local corrosion protection that, in most cases, will last longer than the life of the structure being protected.
To prevent galvanic action between dissimilar metals in the presence of moisture, tape can be applied to the more noble of the two to lower the potential difference between the two surfaces.
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