MG Chemicals 403A, Super Cold 134 Freeze Spray, 285G/400G, Aerosol, Case of 10
MG Chemicals 403A, Super Cold 134 Freeze Spray, Aerosol, Case of 10
MG Chemicals 403A Super Cold 134 is a 100% HFC-134a freeze spray for electronics that rapidly chills circuits and components to -50°C (-60°F). Non-flammable, non-conductive, moisture-free, and zero residue — safe for use on energized circuits. NSF registered for use in and around food processing establishments. VOC exempt.
Hazardous material — available in USA & Canada only. Must ship Ground.
Key Specifications
| Part # | Net Volume | Net Weight | Packaging |
|---|---|---|---|
| 403A-285G | 236 mL | 285 g | Aerosol |
| 403A-400G | 332 mL | 400 g | Aerosol |
| Specification | Value |
|---|---|
| Propellant | 100% HFC-134a |
| Minimum Temperature | -50°C (-60°F) |
| Flammability | Non-flammable |
| Conductivity | Non-conductive |
| Residue | Zero residue |
| VOC Status | VOC exempt |
| NSF Registration | Registered for food processing environments |
| Ozone | Ozone safe |
| Case Quantity | 10 aerosols per case |
Key Features
- Rapid cooling to -50°C (-60°F) — instantly chills components for troubleshooting and testing
- 100% HFC-134a — non-flammable, non-conductive, moisture-free, zero residue
- Safe on energized circuits — can be applied to live boards without risk of short circuit
- NSF registered — approved for use in and around food processing establishments
- VOC exempt — compliant in VOC-regulated environments
- Ozone safe — no ozone-depleting compounds
Ideal Applications
- Troubleshooting intermittent failures on PCBs and motherboards by thermally stressing suspect components
- Locating hairline cracks in PCB traces (crack opens or closes with temperature change)
- Protecting heat-sensitive components during soldering and desoldering
- Rapidly cooling solder joints after reflow
- Low-temperature testing of instruments and electromechanical devices
- Freezing adhesives and gum for easy removal
Frequently Asked Questions
How does freeze spray help troubleshoot intermittent PCB failures?
Intermittent failures are often caused by cracked solder joints, failing capacitors, or other components that change behavior with temperature. By spraying 403A on a suspect area and rapidly cooling it to -50°C, you can temporarily restore or trigger the failure — helping isolate the defective component without disassembly or specialized test equipment.
Is 403A safe to spray on a powered circuit board?
Yes — 403A is non-conductive and non-flammable, making it safe for use on energized circuits. It leaves zero residue after evaporation.
Why does 403A have Ground shipping restrictions?
403A is classified as a hazardous material due to its aerosol propellant (HFC-134a) and is restricted to ground shipping within the USA and Canada. Air shipment is not available for this product.
What is the difference between the 285G and 400G sizes?
Both contain the same 100% HFC-134a formula. The 285G aerosol contains 236 mL (net weight 285g) and the 400G contains 332 mL (net weight 400g) for higher-volume use.
