Fog fallout rate
Quartz nozzles and precision dispersion towers maintain uniform salt fog fallout (1.0–2.0 mL/80 cm²·h).
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Corrosion aging selection guide
Salt Spray & Corrosion Test Chambers
A salt spray chamber evaluates corrosion resistance of protective coatings, electroplating and metallic components through controlled atomized salt solution or alternating wet/dry cycles. Proper selection starts with the required corrosion test chemistry and cycle type.
- 01 MethodASTM B117 / ISO 9227
- 02 ChemistryNSS, ASS, CASS & CCT
- 03 Volume108L to Walk-in sizes
What the system controls
Reproduce the chemical and thermal stresses that drive accelerated corrosion.
Materials & failure modes
Use salt fog or cyclic corrosion when surface protection and metallic durability are critical.
Typical programs evaluate painted panels, electroplated hardware, anodized aluminum, marine coatings, automotive underbody parts and sealed electrical enclosures.
Paints and organic coatings
Blistering, filiform corrosion and rust creepage along scribed lines.
Electroplated & galvanized metals
White rust on zinc plating, red rust breakthrough and pitting.
Automotive & marine alloys
Galvanic corrosion, intergranular attack and structural surface oxidation.
Electrical connectors & hardware
Contact resistance drift, pin corrosion and fastener thread seizure.
Configuration comparison
Separate standard continuous salt fog from cyclic corrosion options.
Review each subsystem against your target corrosion standard and specimen load. Chamber structural material, nozzle configuration and utility interfaces must be confirmed before quotation.
| Selection item | Configuration to review | Confirm before quotation |
|---|---|---|
| Test mode & chemistry | Continuous NSS/ASS/CASS chamber vs. multi-stage Cyclic Corrosion Test (CCT) system. | Required pH range, copper chloride addition and whether dry/humid stages are needed. |
| Chamber construction | Reinforced PVC (up to 55°C) or high-temperature PP / fiberglass-lined structure for CASS & CCT. | Maximum operating temperature required by your highest-stress test standard. |
| Atomization & brine supply | Tower-type quartz nozzles, external brine reservoir and automatic water-seal refill. | Continuous un-refilled test duration (e.g., 48h, 240h, 1000h) and collection funnel arrangement. |
| Specimen mounting | V-grooved slotted racks (15°–30° angle) and fiberglass hanging rods. | Panel dimensions, heavy component weight limits and total specimen quantity per batch. |
| Utilities & exhaust | Oil-free compressed air input, DI water connection and acid-mist exhaust drainage. | Available laboratory air pressure (0.2–0.4 MPa), floor drain and external exhaust routing. |
Configuration review
Need a salt spray chamber matched to your corrosion standard?
Send the test standard, specimen dimensions and exposure duration. We will review the chamber volume, material rating, rack layout and cycle requirements before quotation.
Method comparison
Continuous salt spray or cyclic corrosion (CCT)?
Continuous salt fog and cyclic corrosion systems serve different qualification goals. While continuous spray excels at rapid quality control of coatings, cyclic corrosion alternates salt mist, drying and humidity to replicate outdoor atmospheric degradation.
Standards-oriented selection
A standard number is the starting point—not the complete chamber specification.
Always confirm the exact test chemistry (NSS, ASS, CASS or cyclic), chamber temperature, fallout collection rate, specimen inclination angle and test duration.
RFQ checklist
Send enough information for an engineering recommendation.
Salt spray chamber FAQ
Questions to resolve before selecting a chamber.
Engineering review
Send your corrosion test method and specimen details.
Receive a salt spray or cyclic corrosion chamber configuration review based on your standard, specimen load, exposure duration and laboratory utilities.
