Ronatec Aluminum Pretreatment Technology

Aluminum Pretreatment Chemistries for Production Finishing

Cleaners, etchants, deoxidizers, desmutters, anodizing additives, sealants, and service tools engineered for aluminum finishing, anodizing, painting, chromating, plating, and conversion coating operations.

Surface Preparation Before Finishing

Better aluminum finishing starts before anodizing, painting, or plating.

Aluminum surfaces often require cleaning, etching, deoxidizing, desmutting, and sealing before consistent finishing performance can be achieved.

Ronatec aluminum chemistries are designed to remove soils, oils, oxides, smut, heat scale, and surface contamination while preparing aluminum alloys for downstream processes.

From non-etch cleaners and controlled etchants to aerospace-ready deoxidizers and anodizing service tools, Ronatec helps finishers improve surface preparation and production consistency.

Color anodized aluminum parts
Why Aluminum Pretreatment Matters

Process chemistry designed for cleaner surfaces, better adhesion, and consistent finish quality.

Cleaner Surfaces

Remove oils, soils, buffing compounds, oxides, and surface contaminants before finishing.

Controlled Etching

Support uniform, consistent etching from light satin finishes to deeper stock removal.

Deoxidizing & Desmutting

Prepare aluminum surfaces prior to anodizing, bright dipping, plating, painting, and chromating.

Anodizing Support

Service tools, sealants, fume suppressants, additives, and dyes for anodizing operations.

Reduced Process Burden

Liquid products can reduce dust, splashing hazards, and powder sludging in production tanks.

Aerospace Alignment

Ronatec aluminum products support current aerospace, military, ASTM, Boeing, Airbus, and MIL requirements.

Aluminum Process Flow

Complete process chemistry from cleaning through sealing.

Ronatec supports the aluminum finishing sequence with chemistry for cleaning, etching, deoxidizing, anodizing support, sealing, and finish enhancement.

1
Clean
Remove oils, soils, grease, ink, and buffing compounds.
2
Etch
Create controlled surface texture and prepare the aluminum substrate.
3
Deoxidize / Desmut
Remove oxides and smut before anodizing or finishing.
4
Seal / Finish
Support anodic coating performance, appearance, and long-term durability.
Featured Technology

Cleaner 108LF

Cleaner 108LF removes oil, dirt, chemical stains, rust, heat scale, and oxides while simultaneously conditioning the metal surface in a single operation. It produces a surface that offers low surface resistance ideal for spot welding, while helping make parts more receptive to conversion coatings, anodizing, painting, and plating processes.

Cleans + Conditions
Oxide Removal
Spot Welding Support
Downstream Finish Prep
Ronatec Aluminum Product Families

Cleaners, etchants, deoxidizers, sealants, and service tools for aluminum finishing.

Aluminum Cleaners

Cleaner 108LF, A-76, A-88, AP-Spray, ATP, and ASC support removal of oils, grease, soils, buffing compounds, marking inks, oxides, and surface contamination.

Aluminum Etchants

AL Etch 60, AL Etch 68, and AL Etch XL are designed for safe, uniform, consistent etching of aluminum and aluminum alloys.

Deoxidizers & Desmutters

Deox NC-1, NC-2, NC-3, and D-75 are designed to deoxidize and desmut aluminum prior to anodizing, bright dipping, plating, painting, chromating, and chemical polishing.

AlumBrite

A liquid acidic material designed to remove oxides, brighten aluminum, and remove soils from the metal surface in tank or spray applications.

Ronaseal MTS

A nickel-based, mid-temperature seal for anodize designed to reduce energy consumption, solution heating, and exhaust requirements compared with conventional high-temperature seals.

Aluminum Service Tools

Ni Additive, Etch-Fume, Dispersant, Ano-Fume, Ano-EE, and aluminum dyes support sealing, fume suppression, hardcoat anodizing, smut prevention, and finish appearance.

Aerospace + Industrial Finishing

Aluminum chemistry built for demanding specifications and production requirements.

Ronatec aluminum cleaners, etchants, deoxidizers, and sealants are designed for industrial and aerospace finishing environments.

Products in the line support specifications including Boeing BAC 5749, Boeing BAC 5765, Boeing BAC 5786, Airbus UK ABP 8-2297, ABP 8-2301, SAE-AMS-W-6858, MIL-A-8625, and related ASTM, aerospace, and military requirements.

Aluminum extrusion profiles for finishing and pretreatment
Applications + Markets

Supporting aluminum finishing across aerospace, architectural, and industrial applications.

Ronatec aluminum chemistries support production environments where surface cleanliness, finish quality, corrosion resistance, and coating consistency matter.

Aluminum Anodizing
Hardcoat Anodizing
Aerospace Components
Architectural Aluminum
Aluminum Extrusions
Aluminum Castings
Paint & Plating Prep
Conversion Coating Lines
FAQ

Aluminum pretreatment chemistry questions.

What is aluminum pretreatment?

Aluminum pretreatment is the cleaning, etching, deoxidizing, desmutting, and surface preparation process used before anodizing, chromating, painting, plating, or conversion coating.

What is an aluminum deoxidizer?

An aluminum deoxidizer removes oxides and smut from aluminum surfaces before downstream finishing processes such as anodizing, bright dipping, plating, painting, chromating, or chemical polishing.

Why etch aluminum before anodizing?

Etching helps create a uniform surface condition and can produce finishes ranging from light satin appearance to deeper stock removal depending on time, temperature, concentration, and process requirements.

What is aluminum sealing?

Sealing is used after anodizing to improve the performance and durability of anodic coatings. Ronaseal MTS is a mid-temperature nickel-based seal designed for anodized aluminum.

Does Ronatec support hardcoat anodizing?

Yes. Ronatec offers Ano-EE, a liquid additive for higher temperature Type III anodizing that allows hardcoat operation at 60°F while helping improve film thickness uniformity.

Let’s talk about your aluminum finishing process.

Whether you need aluminum cleaners, etchants, deoxidizers, desmutters, anodizing additives, sealants, or process support, Ronatec can help evaluate the right chemistry for your operation.

Contact Ronatec