Meta Description: Discover FINEX’s cutting-edge fastener coatings! Compare zinc plating, e-coating, Dacromet, and more for corrosion resistance, performance, and style.
In the world of industrial fastening, surface treatments aren’t just about looks—they’re your first defense against corrosion, wear, and costly failures. FINEX’s engineered coatings add 10+ years to fastener lifespans while meeting critical industry standards. Explore our top treatments and transform your project’s reliability.
Why Surface Treatments Matter
- Corrosion Resistance: Prevent rust in salt spray (1,000–3,000+ hours)
- Friction Reduction: Coatings like Dacromet cut installation torque by 30%
- Aesthetic Versatility: Match brand colors with 200+ RAL powder coat options
- Chemical Resistance: Protect fasteners in oil, acids, and UV exposure
Industry Impact: Proper coatings reduce maintenance costs by 60% in offshore rigs and bridges.
FINEX’s Top 5 Surface Treatments Compared
| Treatment |
Process |
Corrosion Hours (ASTM B117) |
Thickness |
Best For |
| Zinc-Nickel |
Electroplating |
1,500–2,000 |
8–12μm |
Automotive, Marine |
| Geomet® |
Inorganic Coating |
1,000–1,500 |
5–8μm |
HVAC, Electrical |
| Dacromet 320 |
Zn/Al Flake Coating |
800–1,200 |
6–10μm |
Construction, Agriculture |
| E-Coating |
Electrophoretic Paint |
750–1,000 |
15–25μm |
Appliances, Architecture |
| Xylan™ |
Fluoropolymer Coating |
500–800 |
20–30μm |
Food Processing, Pharma |
Case Study: Wind turbine bolts with Zinc-Nickel survived 15 years in North Sea conditions vs. 5 years uncoated.
Specialized Coatings for Extreme Environments
1. Keronite® PEO (Plasma Electrolytic Oxidation)
- Hardness: 2,000 HV (vs. 300 HV for steel)
- Temp Resistance: -60°C to 3,000°C
- Applications: Spacecraft, hypersonic jet engines
2. Teflon-Infused Coatings
- Friction Coefficient: 0.05–0.10
- Benefits: Self-lubricating for life
- Used In: Medical device assemblies, semiconductor tools
FINEX’s Coating Advantages
- ISO 9001 & 14001 Certified: Eco-friendly processes
- Custom Solutions:
- Laser-engraved part numbers under coatings
- Multi-layer hybrid coatings (e.g., Zinc + Xylan)
- Rapid Turnaround: 3–5 days for standard orders
- Testing: Salt spray, adhesion, and torque-tension testing on every batch
Industry-Specific Success Stories
- EV Battery Packs: Dacromet-coated M12 bolts withstand coolant immersion (5+ years)
- Offshore Oil Rigs: Zinc-Nickel bolts achieve 20-year maintenance-free service
- Food Packaging: FDA-compliant Xylan coatings resist sanitizers and fats
5 Critical Coating Selection Factors
- Environment: Saltwater = Zinc-Nickel; Chemicals = Xylan
- Temperature: >200°C? Choose ceramic coatings
- Aesthetics: Powder coat for color matching
- Budget: Dacromet costs 40% less than Zinc-Nickel
- Regulations: REACH/ROHS compliance for EU markets
FAQs: Solving Coating Challenges
Q: How to repair chipped coatings?
A: Use FINEX’s Touch-Up Pens (Zinc-Nickel & Dacromet formulas available).
Q: Best coating for dissimilar metals?
A: Insulative e-coating prevents galvanic corrosion between steel/aluminum.
Q: Lead time for custom colors?
A: 7 days for RAL-matched powder coatings.
Why Partner With FINEX?
- 50+ Coating Options: From basic zinc to NASA-grade PEO
- In-House Lab: Salt spray, SEM, and EDX analysis
- Sustainability: Zero wastewater discharge; 95% coating efficiency
Free Resource: Download our Coating Selection Flowchart
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