Traditional Refrigerants
R-453A
R32/R125/R13…R-453A (RS-70) is a non-flammable retrofit blend for R-22 systems that provides similar capacity and efficiency without requiring system modifications.
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Key Information
Essential safety and exposure information for R-453A
Health Effects
Low toxicity. Contains trace flammable components but classified A1 overall. May cause cardiac sensitization.
Common Sources
- Commercial and residential AC
- heat pumps
- chillers
Exposure Limits
- WEEL
- 1,000 ppm (8-hr TWA)
- No OSHA/NIOSH limit
- No OSHA/NIOSH limit
- Multi-component blend
- Multi-component blend
Regulatory Status
- EPA SNAP
- Acceptable substitute
- ASHRAE 34
- A1 Safety Classification
- GWP
- 1765
- ODP
- 0
- DOT
- Class 2.2 Non-flammable, UN3163
- R-22 Retrofit
- Drop-in replacement
Detection Requirements
- Sensor Technology
- Infrared (NDIR)
- Detection Range
- 0-1,000 ppm (typical)
- Response Time
- <60 seconds (T90)
- Cross-Sensitivity
- Test for blend-specific response
- Calibration
- Annual with target gas recommended
Detection Solutions Coming Soon
We're working on adding related products and applications for R-453A.