Cerámicos / Petreos/ Plásticos / Metales By Coderober 12,000 BCE Yeso 8000 BCE Arcilla 7000 BCE Plomo 6000 BCE Oro 4500 BCE Bronce 4000 BCE Hierro 3000 BCE Vidrio 2575 BCE Granito 2000 BCE Azufre 1600 BCE Mármol 1000 BCE Acero 206 BCE Porcelana Jan 1, 1618 Magnesio Jan 1, 1751 Níquel Jan 1, 1761 Cromo Jan 1, 1789 Uranio Jan 1, 1815 Aluminio Jan 1, 1824 Cemento Portland Jan 1, 1825 Poliestereno Jan 1, 1838 PVC Jan 1, 1854 Polipropeleno Jan 1, 1868 Celuloide Jan 1, 1879 Hormigón Jan 1, 1892 Hormigón armado Jan 1, 1933 HDPE Jan 1, 1935 Poliestileno Jan 1, 1937 Poliuterano Jan 1, 1965 Kevlar