R-600a is the undisputed standard refrigerant for modern 5-star inverter refrigerators across India, delivering whisper-quiet compressor operation and unmatched thermodynamic COP.
C4H10
A3 (Higher Flammability)
GWP: 3
ODP: 0
R-600a (Isobutane)
R-600a is the undisputed standard refrigerant for modern 5-star inverter refrigerators across India, delivering whisper-quiet compressor operation and unmatched thermodynamic COP.
Antoine Saturation Engine
R-600a (Isobutane) PT Saturation Calculator
Compute exact vapor saturation pressure from evaporating/condensing temperature in real-time.
A=4.002 | B=947.5 | C=248.8
Absolute Pressure
-- bar
Gauge Pressure (Manifold)
-- PSI(g)
Atmospheric Saturation
-- kPa
Thermodynamic & Chemical Specifications
Chemical Formula
C4H10
ASHRAE Flammability
A3 (Higher Flammability)
GWP (100-Year)
3
Compatible Lubricant
Mineral Oil (MO)
Operating Range (Pune Summer)
Low: -2 to 5 PSI (Vacuum/Low) | High: 80-110 PSI
Retrofit Substitute
Direct OEM factory replacement for R-600a compressor circuits.
⚡ Field Charging & Handling Protocols
- Micro-charges (typically 35g to 75g total).
- Must use digital gram precision scale and lock-ring fittings or spark-proof ultrasonic pinch-off tools.
🔍 Leak Detection Protocols
- Sensit flammable gas sensor or nitrogen bubble solution
♻️ Recovery & Legal Compliance
- Vent outdoors in safe open air or recover into hydrocarbon cylinders.
🏢 Target Systems & Applications
✓ Domestic frost-free & inverter refrigerators
✓ Small commercial beverage coolers