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Electron beam irradiation of plastic tubing

Electron beam irradiation of plastic tubing

T975/0009

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Credit

PETER MENZEL / SCIENCE PHOTO LIBRARY PETER MENZEL / SCIENCE PHOTO LIBRARY

Caption

Interior of a device used to irradiate plastic tubing with an electron beam. Certain plastics become "cross-linked" (structurally altered) when bombarded with an electron beam. Cross-linked plastics have increased flexibility and durability. They are less prone to tears or leaks & tend to stretch, rather than melt, when heated. These properties are desirable in numerous packaging applications - in "shrink-wrapped" foodstuffs, for example. Electron beams provide a more safe & convenient source of radiation than radioactive isotopes, since they may be quickly switched off & are not spilled or accidently ingested. Photo taken at Raychem, California, USA.

Release details

Model release not required. Property release not required.

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