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 barrier to moisture. Styrodur is manufactured by BASF. Magnification: x300 when printed at 10 centimetres wide.
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