Insulation. Coloured scanning electron micrograph of fibres of a dacron polyester material used in sleeping bags. The core of each fibre has up to seven air cavities,increasing the thermal insulation properties. Magnification: x300 at 6x7cm size. x1000 at 10x8ins | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 3268 px × 4135 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |