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 re5atardant. Magnification: x40 when printed 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / EYE OF SCIENCE |
Taille de l’image : | 3659 px × 2433 px |
Model Release : | Non requis |
Restrictions : |
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