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An ozone test chamber generates and maintains a specific concentration of ozone (O₃) under controlled conditions of temperature, humidity, and exposure time. It is mainly used to assess ozone resistance, aging, cracking, and degradation of materials—especially elastomers and polymers.

Main Components

• Test enclosure (chamber): Airtight cabinet made from ozone-resistant materials (e.g., stainless steel).

• Ozone generator: Produces ozone, usually from oxygen via electrical discharge.

• Control system: Regulates ozone concentration, temperature, and humidity.

• Monitoring sensors: Measure ozone levels, temperature, and humidity continuously.

• Air circulation system: Ensures uniform ozone distribution inside the chamber.

• Safety system: Includes ozone destruct units and alarms to prevent ozone leakage.

Purpose & Applications

• Testing rubber, plastics, coatings, cables, seals, and hoses

• Evaluating crack formation, surface degradation, and material aging

• Quality control and R&D in automotive, aerospace, electrical, and polymer industries

Typical Standards

Ozone test chambers are often used in compliance with standards such as:

• ASTM D1149

• ISO 1431

• IEC and JIS standards (depending on application)