27 март 1953 г. - High Density Polyethylene Invented
Описание:
Polyethylene is the most commonly used plastic in modern manufacturing when reinforcing products at a low weight. The invention of high density polyethylene would allow plastic toys to be manufactured at a large scale and cheap price for better durability. This discovery was made by Karl Ziegler and Erhard Holzkamp.Добавлено на ленту времени:
Дата:
27 март 1953 г.
Сейчас
~ 72 г назад