Porcelain is split into three categories: tough, smooth, and
bone
china, however, definitions vary. The chemistry of the paste used to produce the porcelain object's body, as well as the firing circumstances, determine which category it belongs to.

Because of its likeness to the surface of the shell, the European name porcelain is derived from the old
Italian porcellana. Porcelain is also known as china
or exquisite china in several English-speaking nations because it initially appeared in
Chinese
imports.
Porcelain has minimal permeability and elasticity, as well as a significant
strength, toughness, brightness, optical transmittance, and
resonant, as well as strong resistance to corrosive chemicals and thermal stress.
Porcelain was first created in
China hundreds of years ago, with 'proto-porcelain' artifacts dating back to the Shang dynasty (1600–1046 B.C.E.). These early ceramic tiles' wares had evolved into porcelain by the time of the
Eastern Han dynasty (CE 25–220), which the
Chinese characterized as high-fired ware. The now-standard standards of whiteness and optical transmittance had been fulfilled in varieties like
Ding ware by the late Sui dynasty (581–618 CE) and early Tang dynasty (618–907 CE).