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Vinyl Coating System for St. Lawrence Seaway. A coating system based on vinyl resins was specified by the St. Lawrence Seaway Authority for all submerged and semi‐submerged structures in the Canadian section of the seaway. The vinyl‐based coating has been applied to all lock gates, bulkheads and tainter valves, and it is believed to be the largest vinyl protective‐coating application yet undertaken in Canada. Union Carbide vinyl resins were used for the system. The Authority's minimum specifications were:
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© MCB UP Limited
1959
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