ASTM B117 1000-Hour Salt Spray Testing of PVD Titanium Thin Films
Engineering Overview: Technical comparison of ASTM B117 salt fog endurance: evaluating 240h electroplated Chrome against 1000h+ vacuum PVD titanium coatings.
Technical & Engineering Specifications
| PVD Ceramic | > 1000 Hours (EN 1670 Grade 5) |
|---|---|
| Salt Solution | 5% NaCl Salt Fog at 35°C Continuous |
| Testing Standard | ASTM B117 / EN 1670 Corrosion Standards |
| Electroplated Chrome | 240 - 480 Hours (EN 1670 Grade 4) |
Accelerated Salt Fog Performance
In architectural door hardware, corrosion performance is quantified via continuous ASTM B117 Neutral Salt Spray (NSS) chamber exposure:
- Galvanic Chrome: Micro-porosities pit after 240 to 480 hours.
- PVD Ceramic (TiN/ZrN): Survives $>1000\text{ hours}$ (EN 1670 Grade 5) with zero corrosion.
Frequently Asked Engineering & Selection Questions
Q1: What are the primary material characteristics of this finish?
Technical comparison of ASTM B117 salt fog endurance: evaluating 240h electroplated Chrome against 1000h+ vacuum PVD titanium coatings.