Sheet extrusion is typically used to create sheets with a thickness of 0.5 to 25 mm, and widths of two to nine meters. Polyethylene products fabricated using the sheet extrusion process include:
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Landfill base and cap liners (2 - 2.5 mm thick)
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Tunnel liners for road or train tunnels (2, 3, 4 mm thick)
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Sheets for thermoforming
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Liners (0.25 - 2 mm thickness)
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Concrete protective liners and sheets for pipe relining
The Dow Chemical Company (Dow) products listed below are well-suited to meet your needs in this fabrication process.