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Check and compare all Finish supported by Creallo

General Finishes

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As Machined

Parts are delivered as-is after manufacturing, with no additional surface treatment. Machining marks and scratches may remain on the surface. Ideal for functional parts where dimensional accuracy is the top priority, internal components, or when fast turnaround without extra cost is needed. Not recommended for parts where surface appearance matters or metal parts exposed to corrosion or wear. Metal parts may have burrs and machining marks, and 3D-printed parts may show support removal traces.

Bead Blast

A surface treatment that blasts fine particles such as glass beads or alumina at high speed to create a uniform matte finish. Suitable as a pre-treatment before painting or plating, or when looking to improve visual quality at a relatively low cost. Not recommended for parts requiring tight dimensional tolerances or high-hardness materials such as heat-treated steel, where the effect is minimal. Areas with tight tolerances (holes, threads, etc.) must be masked, and surface roughness varies by bead size — prior consultation is recommended.

Glossy Paint

A high-gloss painting process based on Pantone C colors, finished with UV coating after surface preparation and primer application. Suitable for exterior parts requiring a glossy, smooth surface or vivid color expression. Not suitable for parts requiring tight tolerances or those exposed to heat or chemicals. Color variation may occur due to manual color mixing, and the finish may degrade under strong friction or exposure to acids or ethanol.

Matte Paint

A matte painting process based on Pantone U colors, finished with plastic paint after surface preparation and primer application. Suitable when a matte surface finish is needed or when preventing material discoloration is a priority. Not suitable for parts subject to frequent surface friction or those requiring a very smooth surface finish. The finish may peel or degrade under strong friction or exposure to acids or ethanol. Color variation may occur due to manual color mixing.

Rubber Paint

A rubber-textured painting process based on Pantone U colors, finished with SF coating after surface preparation and primer application. Suitable when a rubber-like texture, strong matte color expression, or discoloration prevention is needed. Not suitable for parts subject to strong friction or those used in environments where chemical or heat resistance is critical. The finish may peel under strong friction or exposure to acids or ethanol.

Chrome Painting

A painting process that mimics the high-gloss mirror look of chrome plating without actual plating. Ideal for complex geometries, appearance mockups, display parts, or when a metallic finish is needed at lower cost. Not recommended for functional parts requiring real plating-level durability. Color is fixed as chrome silver mirror, coating may vary on curved or undercut surfaces, and metal substrates require degreasing and sanding prior to painting.

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Plastic Material Finishes

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Transparent

A process that sands and coats transparent plastic surfaces to enhance optical clarity. Suitable for parts where transparency is critical — such as lens covers, windows, and display panels — as well as optical review prototypes. Not suitable for opaque materials or parts with complex internal structures where uniform sanding is difficult. Minor dimensional changes may occur due to the polishing process, and deep scratches or internal bubbles may limit achievable transparency.

Translucent

A process that blasts or sands transparent plastic surfaces to create a translucent matte effect. Suitable for parts that need to diffuse light evenly — such as lighting diffusers and covers — or parts requiring a matte translucent appearance. Not suitable for parts requiring full transparency or those made from opaque materials. The degree of translucency may vary depending on the intensity of surface treatment, and fine surface details may be lost during the process.

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Metal General Finishes

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Powder Coating

A painting method where powdered paint is applied directly to the part and then cured at high temperature, based on Pantone colors. Suitable for corrosion protection, when stronger impact resistance than anodizing is needed, or when vivid color expression is required. Not suitable for parts requiring interior surface treatment, very small components, or materials with low deformation temperatures. The finish may degrade under strong friction or exposure to acids or ethanol.

Galvanizing

An electroplating process that forms a zinc layer on steel surfaces to prevent corrosion. Ideal for parts exposed to moisture, structural components requiring long-term corrosion resistance, or as a pre-treatment before painting. Not suitable for parts where appearance is the top priority or tight tolerances are required. Plating thickness (5–25µm) causes dimensional change — precision holes and threads may require masking or post-machining.

Nickel Plating

An electroplating process that forms a nickel layer on metal surfaces, improving wear and corrosion resistance with a silver-white glossy finish. Suitable for precision parts requiring surface protection while maintaining electrical conductivity. Not suitable for consumer goods with nickel allergy concerns or parts used above 400°C. Plating thickness (5–25µm) causes dimensional change — confirm electroless nickel compatibility for RoHS-regulated products.

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Aluminum Material Finishes

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Anodizing

An anodic oxidation process that forms a hard oxide film on aluminum surfaces, improving corrosion and wear resistance with color options including black, silver, and gold. Suitable for aluminum parts requiring both aesthetic appearance and durability, or complex geometries needing a uniform film. Not suitable for precise Pantone or RAL color matching, or precision areas where coating thickness (10–25µm) affects tolerances. Mask precision holes and threads, and specify hanger mark location on drawings if needed.

Hard Anodizing

A high-durability anodic oxidation process forming a thicker oxide film (40–70µm) than standard anodizing, providing superior wear and corrosion resistance. Suitable for high-wear or high-load aluminum parts, or functional components such as pistons and sliding parts used in extreme conditions. Not suitable for parts where color appearance is a priority or tight tolerances are required. The thicker film causes greater dimensional change, color is limited to gray tones, and longer processing time affects lead time.

Chromate

A chemical conversion coating that forms a thin film (0.5–4µm) on aluminum surfaces, maintaining electrical conductivity while providing corrosion resistance. Suitable for electronic or aerospace parts requiring conductivity, or as a pre-treatment for painting and adhesion. Not suitable for non-aluminum materials or parts where appearance is important. Primarily used as a pre-treatment rather than standalone corrosion protection.

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Finishes for 3D Printing

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Dyeing

A process where plastic parts are submerged in a dye solution to color the material from within, preserving the original surface texture without adding a paint film. Suitable for parts that need color while retaining surface texture, or precision parts where color is needed without increasing coating thickness. Not suitable for cases requiring precise Pantone or RAL color matching, parts needing transparent or translucent effects, or SLA/FDM materials where dyeing is difficult. Long-term UV exposure may cause color fading, and darker shades produce more uniform results than lighter ones.

Polished (Transparent, 3DP)

A post-processing treatment that sands and coats semi-transparent resin prints to achieve optical clarity. Without post-processing, layer lines prevent transparency. Suitable for lenses, covers, windows, and optical review prototypes. Not suitable for opaque prints, non-SLA outputs, or parts requiring surface texture. Manual sanding may extend lead times, and uniform clarity is harder to achieve on complex curved surfaces. 

Bead Blast (Translucent)

A post-processing treatment that uniformly blasts transparent resin surfaces to create a translucent matte finish. Suitable for lighting diffusers, covers, and parts where fingerprints or scratches should be less visible. Parts requiring full transparency should use SLA Transparent instead. Translucency level varies by blasting intensity, and fine surface details may be slightly softened.

SLA Bead Blasting

A cost-effective post-processing treatment that evens out the surface tone through bead blasting after washing and UV curing, without manual sanding. Suitable for internal review prototypes or when cost and lead time efficiency are the priority. Not suitable for display mockups, parts with fine surface details, or parts scheduled for painting. Consider subsequent finishing processes when selecting this option.

SLA Polishing

A premium post-processing treatment where technicians manually sand the surface after support removal to eliminate layer lines and achieve a smooth finish. Suitable for parts scheduled for painting, display mockups, or prototypes requiring high surface quality. For shape verification only, SLA Bead Blasting is sufficient. Manual processing results in longer lead times and higher costs, and sanding may be limited on complex internal structures or undercuts.

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