Porcelain

Category: Art & Culture, Materials Science | GS Paper I and III

SEO Title: Porcelain Ceramic: Composition, Manufacturing, History and Industrial Uses

UPSC Notes

Porcelain is a vitrified ceramic known for its strength, translucency and low porosity. It has applications ranging from traditional tableware to advanced industrial components.

  • Composition: Kaolin (china clay), feldspar and quartz.

  • Firing temperature: Approximately 1,200–1,400°C.

  • Properties: Hard, strong, non-porous and often translucent.

  • Origin: China, where porcelain production matured during the Tang and Song periods.

  • Jingdezhen: Famous Chinese centre of porcelain manufacturing.

  • Trade: Porcelain spread through overland Silk Route and maritime trade networks.

  • Bone china: Developed in England during the 18th–19th centuries using bone ash.

  • Applications: Tableware, sanitary ware, electrical insulators, dental ceramics and technical ceramics.

  • India: Khurja in Uttar Pradesh is a major ceramics centre; Morbi in Gujarat is another important ceramic manufacturing cluster.

Key Pointers for Prelims

  • Kaolin is a major raw material.

  • Porcelain requires high-temperature firing.

  • Bone china is associated with England.

  • Khurja and Morbi are important Indian ceramic centres.