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.
Athens County is a county located in the southeastern part of the U.S. state of Ohio. As of the 2010 census, the population was 64,757. Its county seat is Athens. The county was formed in 1805 from Washington County. Because the original state university (Ohio University) was founded there in 1804, the town and the county were named for the ancient center of learning, Athens, Greece. The Athens Micropolitan Statistical Area includes all of Athens County.