Closed-cell PVC foamboard is a lightweight rigid material used primarily in the manufacture of signs and displays. It is considered robust for outdoor use, being immune to rain and resistant to wind and sunlight.

History

In 1912, the first patents for polyvinyl chloride (PVC) were filed in Britain and Germany. It was not until the early 1930s that PVC was able to be produced cheaply, limiting its marketable applications

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