Heat Distortion Temperature (softening temperature) The molecular structure of PVC is made of continuous carbon- carbon single bonds in the main chain. As this main chain is highly flexible, PVC products have the disadvantage of having a low heat distortion temperature (softening temperature) compared with other plastics of the similar molecular structure.
This philosophy greatly impacted the Greek civilization. Athens was the intellectual center of Greece. It was one of the first city-states of its time, and is still world renowned as one of the most famous cities in the world. It was named after Athena, the goddess of wisdom and the city's patron.his philosophy greatly impacted the Greek civilization. Athens was the intellectual center of Greece. It was one of the first city-states of its time, and is still world renowned as one of the most famous cities in the world. It was named after Athena, the goddess of wisdom and the city's patron.
Share |. As shown in the given Athens location map that Athens is located in the southern part of Greece. Athens is spread out across the central plain of Attica. In fact, Athens is located around a number of hills; Lycabettus is one of the tallest hills in the region. Athens is the largest and capital city of Greece.Surprisingly, Athens is one of the oldest cities of the world; it has recorded history of around 3,400 years. However, the modern Athens is center of political, financial, economic, industrial, and cultural activities. As per the report it is listed as alpha world city.s shown in the given Athens location map that Athens is located in the southern part of Greece. Athens is spread out across the central plain of Attica. In fact, Athens is located around a number of hills; Lycabettus is one of the tallest hills in the region. Double click this Google Map for Zoomable location.