Plastazote

Description

[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)

Applications

Case inserts
Shoes, flipflops
Packaging

Risks

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