The microstructure of the mouldings was characterized on an Olympus polarized light optical microscopy (PLM) type BH-2 additionally equipped by the Olympus digital camera type DFC280. Thin slices with 20
2.3. Preparation for optical observationThe microstructure of the mouldings was characterized on an Olympus polarized light optical microscopy (PLM) type BH-2 additionally equipped by the Olympus digital camera type DFC280. Thin slices with 20