ASTRID & HANS FRIEDER MICHLER / SCIENCE PHOTO LIBRARY ASTRID & HANS FRIEDER MICHLER / SCIENCE PHOTO LIBRARY
Light micrograph of glass fibres in a polypropylene matrix. Polypropylene refers to any of a number of tough, flexible, synthetic plastics, which become soft when heated and harden on recooling without appreciable changes to their properties. Magnification: x62 at 6x4.5cm, x36 at 35mm size.
Model release not required. Property release not required.