An Oxygen Self-generated Respirator (OSR) is an emergency breathing apparatus that produces oxygen through a chemical reaction for people in oxygen-deficient or polluted air. The following are some of the main advantages of the Oxygen Self-generated Respirator:

Independent Oxygen Supply: It does not rely on an external oxygen source and can be used in enclosed spaces where there is no air supply.

Portability: Designed to be lightweight and portable for rapid deployment.

Ease of use: Most chemical oxygen rebreathers are simple to operate and require no specialized training for users to quickly start and use.

Ready-to-Use: In an emergency, they can be activated immediately without the need for warm-up or an external power source.

Safety: Provides the user with clean breathing air and reduces the risk of inhaling toxic gases and contaminants.

Suitable for a wide range of emergencies: Can be used in scenarios such as fire escape, scuba diving, high altitude mountaineering, and confined space operations.

Easy maintenance: Compared with compressed oxygen cylinders that require regular oxygen filling, chemical oxygen breathing apparatus requires less maintenance.

Cost saving: Compared with other types of breathing equipment, chemical oxygen breathing apparatus may be more economical.

Emergency Backup: As emergency equipment, it can save lives in the event of natural disasters, technical failures, or other emergencies.

Stable Storage: The chemicals in a chemical oxygen respirator are usually stable in storage and only react chemically to produce oxygen when activated.

Predictable Oxygen Supply: Users can know the approximate oxygen supply time based on the design of the respirator, which allows for better planning of escape or waiting time for rescue.