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[Zotefoams Limited] A trademark for a crosslinked Polyethylene foam that is expanded with nitrogen gas. Plastazote® is chemically and biologically inert. Plastazote® products are supplied as sheets, rolls, rods, or slabstock. As with other polyethylene products, these foams deteriorate, shrink, and/or warp in direct sunlight. Similar products by the same company are Evazote® (ethylene vinylacetate) and Supazote (ethylene copolymer). All Zotefoams exhibit very low emission of volatile species up to temperatures of 190C.

Synonyms and Related Terms

Zotefoam; Propozote (polypropylene); Evazote® (ethylene vinylacetate); Supazote (ethylene copolymer)

Similar products: Volara


  • Case inserts
  • Shoes, flipflops
  • Packaging


  • Softens at 105-115C and decomposes at 300C.
  • Combustion products are carbon monoxide and water.

Physical and Chemical Properties

  • Waterproof
  • Lightweight and flexible
  • Chemically resistant
  • Impact absorbent
  • Available in several densities and thicknesses (2-27 mm). Select from low density polyethylene (LDPE) or high density polyethylene (HDPE)

Resources and Citations

  • Zotefoams: Plastazote
  • National Park System, Conserv O Gram, Number 8/2, 'Safe Plastic & Fabrics for Display & Storage': Link
  • Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002
  • Ceramics and Glass Conservation Section, List of Workshop Materials, The British Museum, London