Description
Refron R‑600a (isobutane) is widely used in household refrigeration due to its low GWP (~3) and excellent thermodynamic performance. Regulatory shifts have driven its adoption in small commercial units as well.
Key Features:
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Extremely low GWP (~3), zero ozone impact
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Low operating cost and good energy efficiency
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ASHRAE A3: flammable, requiring careful system design
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Compact charge size suitable for small systems
Specifications:
| Property | Value |
|---|---|
| Chemical Formula | C₄H₁₀ (Isobutane) |
| GWP | ~3 |
| ODP | 0 |
| Safety Class | A3 (highly flammable) |
| Applications | Fridges, freezers, minibar units |
Applications:
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Domestic refrigerators and freezers
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Small commercial refrigeration cabinets
Beverage coolers and vending units in low-GWP markets
Usage:
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Use in small, hermetically sealed systems only
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Follow charge limits for safety (per local standards)
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Install ventilation and explosion-proof electrical components
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Properly recover and recycle gas during servicing
FAQs:
Q1. What makes R‑600a environmentally preferable?
Its GWP is nearly zero and it has no ozone depletion potential.
Q2. Is R‑600a dangerous?
It is flammable (A3), so only used in appropriate equipment and handled with care.
Q3. Can R‑600a be used to retrofit older systems?
No. It’s only suited for modern sealed systems with safety designs for hydrocarbons.
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