EYE OF SCIENCE / SCIENCE PHOTO LIBRARY EYE OF SCIENCE / SCIENCE PHOTO LIBRARY
Styrodur insulating material, coloured scanning electron micrograph (SEM). Styrodur is an extruded polystyrene foam, whose cells (spaces seen here) are filled with air. As well and being an excellent thermal insulator Styrodur also acts as a moisture barrier. Styrodur is manufactured by BASF. Magnification: x150 when printed at 10 centimetres wide.
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