Thermoplastic Lining

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Definition - What does Thermoplastic Lining mean?

A thermoplastic lining is a thin layer of material composed of plastic polymer that is often affixed to the inner surface of a metallic vessel or pipe. The thermoplastic lining serves as a protective coating against corrosion and erosion from wear and tear.

Corrosionpedia explains Thermoplastic Lining

Thermoplastic liners possess several chemical and physical properties that make them preferred materials in terms of corrosion prevention. Some of these properties include:

  • High molecular weight
  • Strong polymer chains with bonded intermolecular forces
  • Easy reshaping when exposed to significant heat, allowing the formation of linings to match any equipment geometry
  • Easily designed with polymer processing methods like injection and compression molding, calendering and extrusion


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