Fengfan Phoenix Seal 290 High Temperature Sealing Process Aluminum Anodizing Chemicals

ADVANTAGES
• Excellent resistance to alkaline corrosion
• The flow marks on the surface of the product become less after sealing

OPERATING CONDITIONS
Phoenix Seal 290A    60-80g/L
Phoenix Seal 290E    25-35g/L
OPTIMUM TEMPERATURE RANGE   90°-98°C
PH RANGE   7.5-8.5
Process time   10-30min

Replacement cycle Recommend once a month(if add the chemicals continuously,others)

PACKAGR AND STORAGE
Phoenix Seal 290A 1000KG/pack(we can provide 25KG/Pack if need)
Phoenix Seal 290E 25KG/pack(we can provide 1000KG/Pack if need)


High‑Temperature Sealing Parameters
Phoenix Seal‑290 is formulated to seal oxide layers formed in the anodizing aluminum process at elevated temperatures. It operates in the range 90‑98 °C and pH between 7.5‑8.5. There are two variants: Seal‑290A used at 60‑80 g/L concentration, and Seal‑290E at 25‑35 g/L. The sealing duration is typically between 10‑30 minutes. This stage follows the anodizing step and ensures that the anodic oxide on anodized aluminum is properly sealed for enhanced durability. In both aluminum anodizing service facilities and smaller scale aluminum anodizing kit operations, maintaining these parameters helps avoid under‑sealing or over‑processing.

Alkaline Resistance and Surface Care
One of the key benefits of Phoenix Seal‑290 is significantly improved alkaline corrosion resistance of sealed oxides on anodized aluminum surfaces. After sealing, flow marks on treated aluminum are reduced, which improves visual consistency. This advantage is essential in aluminum anodizing service operations where parts are subject to alkaline cleaning or environmental exposure. Proper sealing at high temperature ensures that the oxide layer resists alkaline attack, maintaining both functional performance and appearance over time.

Usage, Packaging, and Compatibility Details
Phoenix Seal‑290 comes in two forms: 290A and 290E, with different concentration ranges according to part type or finish requirement (290A: 60‑80 g/L; 290E: 25‑35 g/L). Process time is 10‑30 minutes at 90‑98 °C in a bath of pH 7.5‑8.5. Packaging comes in 1000 kg bulk for Seal‑290A and 25 kg for Seal‑290E (with options depending on order size). It’s compatible for sealing after anodizing in both industrial aluminum anodizing service contexts and smaller aluminum anodizing kit workflows. Ensuring correct variant and maintaining temperature/pH will yield consistent sealing quality and resistance.


 
Product Advantages

Design and System Integration Advantages for Aluminum Anodizing Processes
Phoenix Seal 290’s dual-variant design allows precise adaptation between large-scale industrial facilities and smaller-scale aluminum anodizing kits, optimizing chemical usage and workflow compatibility. The system supports stable bath conditions within defined pH and temperature ranges, facilitating seamless integration into existing anodizing lines. This modular approach enhances operational flexibility while maintaining process control. Its ability to enhance the underlying anodizing aluminum process by improving oxide layer resilience and uniformity reflects thoughtful engineering design aimed at meeting rigorous industrial standards.

Enhanced Performance Offering Consistent Usability and Durability
The product’s formulation delivers measurable improvements in alkaline resistance, substantially reducing corrosion risks for anodized aluminum components exposed to harsh environments. Its operational parameters are tuned for consistent sealing times, promoting reproducible outcomes and minimizing production variability. Ease of handling is supported by packaging options suitable for different production scales, further aiding procurement and inventory management. Ultimately, Phoenix Seal 290 supports manufacturers in achieving reliable surface protection, contributing to long-term component durability and reduced rework rates in anodizing operations.


 
Use Scenarios

Sealing for Decorative Automotive Components
Automotive trim, emblems, or decorative aluminum parts often require durable, visually flawless surfaces. Use Seal‑290 after the anodizing aluminum process to seal oxide layers so that anodized aluminum parts resist alkaline erosion and show fewer flow marks. In aluminum anodizing service contexts serving automotive industry demands, this ensures quality control and finish consistency.

Sealing in Harsh Alkaline Environments
Components used outdoors or in places that undergo frequent alkaline cleaning (such as architectural panels, outdoor signage, or marine‑adjacent fittings) benefit from Seal‑290’s enhanced alkaline resistance. After anodizing, sealing with Seal‑290 helps protect anodized aluminum from corrosion and surface degradation. This is relevant both for large anodizing service operations and smaller aluminum anodizing kit users.

Batch & Kit Level Production Consistency
In factories offering aluminum anodizing service, Seal‑290A can be used for large batches to maintain consistent sealing across multiple parts. Smaller labs or workshops using aluminum anodizing kit style setups can use Seal‑290E to get adequate sealing without overuse of chemical. In either case, using the correct concentration, temperature, and time ensures anodized aluminum finishes are reliable, less likely to suffer from under‑sealing issues or surface defects.



About Us

Wuhan Fengfan International Trade Co., Ltd., wholly owned by Wuhan Fengfan Electrochemical Technology Co., Ltd., was founded in 1984, and has over 40 years of experience in supplying surface treatment chemicals. The company’s core offerings include anodizing chemicals, sealing agents, pretreatment and post‑treatment additives, electroplating agents, and corrosion resistance products like high‑temperature sealing agents such as Phoenix Seal‑290. Fengfan operates factories on approximately 67 acres with around 7,000 m² of production floor. Annual output for surface treatment additives is approximately 3,000‑5,000 tons/year. The company has in‑house R&D, quality control, safety production standardization, and clean production credentials. Their market direction includes support for both large aluminum anodizing service providers and smaller users of the aluminum anodizing kit types, as well as industries needing anodized aluminum finishing with high alkaline resistance.


 
FAQ

What is the operating temperature for Phoenix Seal‑290?
The sealing process requires a temperature of 90‑98 °C to activate the high‑temperature sealing of anodized layers.

What concentration should be used for Phoenix Seal‑290?
Dosage depends on variant: Seal‑290A used at 60‑80 g/L, Seal‑290E at 25‑35 g/L.

What pH level is needed for effective sealing with Seal‑290?
Effective sealing requires pH in range 7.5‑8.5 for the bath environment.

Does Seal‑290 help with alkaline corrosion resistance?
Yes, it improves alkaline resistance for oxide layers after an anodizing aluminum process, making anodized aluminum parts more durable in alkaline exposure.

Is Phoenix Seal‑290 suitable for smaller anodizing setups or kits?
Yes; using Seal‑290E variant and proper temperature/time, small workshops using aluminum anodizing kit‑style equipment can achieve effective sealing.

Apply Phoenix Seal‑290 now to elevate your anodizing aluminum process sealing for alkaline resistance!