Insulation fibres. Coloured scanning electron micrograph (SEM) of a sample of fibres from a Isofloc - a material used as a cavity wall insulation. Iso

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Insulation fibres. Coloured scanning electron micrograph (SEM) of a sample of fibres from a Isofloc - a material used as a cavity wall insulation. Isofloc is produced from very finely shredded waste paper with borax (boric acid) added as a fire retardant. Magnification: x130 when printed 10 centimetres wide.

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Size: 4526px × 3898px
Photo credit: © EYE OF SCIENCE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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