Duran (glass)

Duran is a brand name for a type of borosilicate glass, first developed by Otto Schott in Germany in the late 19th century. It is known for its exceptional chemical resistance, high thermal resistance (it can withstand high temperatures and sudden temperature changes), and mechanical strength.

Characteristics:

Duran glass is characterized by the following properties:

• High Thermal Shock Resistance: It can withstand rapid temperature changes without cracking or shattering. This is due to its low coefficient of thermal expansion.
• Chemical Resistance: Highly resistant to attack by water, acids, alkalis, and organic solvents.
• High Working Temperature: Can be used at temperatures up to approximately 500°C (932°F).
• Neutral Chemical Behavior: It does not release any substances into the liquids or substances it contains.
• Clarity and Transparency: Duran glass is clear and transparent, allowing for easy viewing of its contents.

Applications:

Due to its unique properties, Duran glass is widely used in a variety of applications, including:

• Laboratory glassware: Beakers, flasks, test tubes, and other laboratory equipment. Its chemical resistance and heat resistance make it ideal for scientific experiments.
• Chemical processing equipment: Used in the manufacture of chemicals, pharmaceuticals, and other products.
• Industrial applications: Used in the production of various industrial components.
• Household applications: Ovenware, cookware, and storage containers.
• Lighting: Some specialty lighting applications use Duran glass for its high temperature resistance.

Composition:

The typical composition of Duran glass is:

• Silicon dioxide (SiO2): Approximately 81%
• Boron trioxide (B2O3): Approximately 13%
• Sodium oxide (Na2O): Approximately 4%
• Aluminum oxide (Al2O3): Approximately 2%

History:

Duran glass was developed by Otto Schott in 1893 and was originally marketed as Jenaer Geräteglas. The name "Duran" was introduced later. Schott's work in glass chemistry revolutionized the industry and paved the way for the development of many other specialized glasses. Duran is now a widely recognized and trusted brand in the scientific and industrial communities.