Aluminum Treatment

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Anodizing Proccesses

for

Wrought Aluminum Treatment


Okuno-Auromex provides full anodizing processes to enhance the attributes of wrought aluminum and comprehensively support its effective use across a varied range of applications.


These treatments can enhance the appearance, the UV resistance, the sealing protection and hardness of the metal.

Surface pre-treatments such as “TOP” cleaners excellent surface cleanliness in preparation for the anodizing process. The anodization processes can be customized provide specific surface appearance (e.g. brightness), color (e.g. white, other color – dyes) and texture (e.g. Satin or Pearl Tone) finishing. The “TAC-Dye” series cover a multitude of colors and shades. Furthermore, special post treatment process is provided to meet the perfect anodizing process.

The tables below provide additional product information.


Pretreatment Processes

Application

Product

Feature

Soak Cleaning

TOP Alclean 101

Weak alkaline soak cleaner with silicate-free. Has excellent cleaning power against various oils or dirts without base attack.

TOP Alclean 161

Low foam type weak alkaline soak cleaner with silicate-free. Can be applied with air agitation and shower treatment.

Alkaline Etching

Alsatin SK

Soft etching agent for aluminum. Provide uniform finishing on surface and excellently prevent formation of sludge and clinker that maintain
long bath life.

TOP Alsoft 108

Low foam type soft etching agent for aluminum and aluminum alloys. Improve working environment due to low mist generation.

Polishing Process

Application

Product

Feature

Bright Finishing

Algloss S-200

Powder type polishing agent for aluminum and aluminum alloys. Improve brightness and suppress NOx gas formation.

Etching Process

Etching type

Application

Product

Feature

Acidic Etching

Pearl Tone Finishing

Alsatin M-05

Provide beautiful milky white tone that is suitable for pure aluminum cosmetic bottom cap and cigarette lighter case.

Alsatin OL-8

Provide economical operation due to long bath life. Give satinized and whitish surface that is suitable for optical instrument parts.

Matte White Color Finishing

Alsatin FF-250

Can be applied with fluoride compound to provide matte appearance which is suitable for optical instrument parts requiring dimension
accuracy.

Alkaline Etching

Satin White Color Finishing

Alsatin L

Provide silver white appearance. Has excellent etching effect with clinker suppression. Excellent for Al1050 and Al6063.

Alsatin SK

Soft etching agent for aluminum. Provide uniform finishing on surface and excellently prevent formation of sludge and clinker that maintain
long bath life.

TOP Alsoft 108

Low foam type soft etching agent for aluminum and aluminum alloys. Improve working environment due to low mist generation.

Desmutting Processes

Product

Feature

TOP Desmut N-20

Smut removing agent for aluminum and aluminum alloys that contain low silicate. Completely remove smut on surface without base attack and
provide longer bath life than conventional sulfuric-nitric bath.

Additive for Anodizing Process

Application

Product

Feature

Mist preventing agent

Almist W

Low foam additive for anodizing bath. Can prevent mist formation and dispersion. Most suitable for micro explosion air agitation system.

Dyeing Processes

Product

Color

Feature

TAC Dyestuff series

Yellow, Orange, Red, Pink, Violet, Blue, Green, Bronze, Brown, Black

Water soluble dyes for anodized aluminum and its alloy. Give excellent weather resistance and heat resistance. Provide high-speed uniform
dyeing property.

OKUNO Color series

Yellow, Red, Violet, Blue, Green, Brown, Black, Transparent

Include 2 types

● E-type: Oil type dye that provides good color tone.

● W-type: Water soluble type dye that provides safe operation due to solvent-free.

Additives for Dyeing Processes

Application

Product

Feature

Surface conditioning agent

TAC Sormal 121

Pretreatment agent for dyeing process. Can prevent defects in dyeing bath, such as, dot or star-shape spots, or some defects caused by poor
water rinsing.

Mold preventing agent

TAC Kabikoron

Mold inhibitor for dyeing bath. Can protect the contamination causing from microorganism.

pH buffing agent

TAC Controller pH-5

pH buffer for TAC Dyestuffs. Control pH stability in bath and improve dyeing affinity.

Anti-foaming agent

TAC Anti-Foam

Anti-foaming agent for dyeing bath. Can remove formed foam rapidly and prevent defects causing foam, such as, poor dyeing or stain spots.

Sealing Processes

Application

Product

Feature

Nickel acetate type sealing agents

TOP Seal DX-200

Powdery sealing agent. Provide good sealing effect with short time operation.

TOP Seal DX-500

Powdery sealing agent. Provide smooth surface that is suitable for sealing of cosmetic caps.

TOP Seal E-125

Liquid sealing agent. Completely prevent white powdery bloom or irregular color.

TOP Seal H-298

Liquid sealing agent. Provide superior sealing effect. Suitable for aluminum alloys, such as Al6063.

Additive for boiling sealing

TOP Seal E-110

Nickel-free liquid additive. Completely prevent white powdery bloom and rainbow appearance at hot sealing process.

TOP Seal MF-115

Nickel-free liquid additive. The sealing performance is the same as nickel sealing.

TOP Seal L-100

Powdery cold sealing agent. Can be applied at room temperature. Suitable for sealing of architectural materials or hard anodizing film.

Special Post Treatment Process

Product

Feature

TOP Anocoat

Nickel-free post treatment after sealing. Enhance alkaline resistance and protect anodized parts from scratching.


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