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Powder Coating

2,000+ RAL colors.
Textured or smooth.
10-year outdoor life.

Complete powder coating services: any RAL or Pantone color, smooth and textured finishes, super-durable polyester for outdoor service. Integrated with CNC machining and sheet metal fabrication — single PO from raw material to finished colored parts.

01 · Powder types

Four powder chemistries.

Epoxy

Indoor · industrial

Most cost-effective. Excellent chemical resistance, hardness, adhesion. Poor UV resistance (chalks outdoors). Standard for indoor industrial equipment, appliance components.

Polyester

Outdoor · general

Excellent UV resistance, good chemical resistance, weatherable. Standard outdoor powder. Used for architectural, automotive exterior, outdoor equipment.

Super-Durable Polyester

Premium outdoor

Highest UV and weather resistance. 15–20 year outdoor life. Used for architectural aluminum, high-end outdoor furniture, premium equipment.

Epoxy-Polyester Hybrid

Indoor cosmetic

Combines properties of both. Good all-around performance for indoor use. Slightly better UV than pure epoxy but still not recommended for direct sunlight.

02 · The process

Five-step powder coat workflow.

01

Clean & degrease

Alkaline wash removes oils, fingerprints, cutting fluid residue. Critical — any contamination causes coating failure.

02

Surface prep

Sand blast (steel) or chemical conversion (aluminum). Creates microscopic anchor pattern for powder adhesion.

03

Conversion coating

Zinc phosphate (steel) or zirconium (aluminum) chemical conversion. Corrosion protection + primer adhesion.

04

Powder application

Electrostatic spray application in clean spray booth. Parts are grounded; powder particles attract to surface.

05

Cure & inspect

Bake at 180–200 °C for 10–20 minutes to cross-link and fuse powder into durable coating. Final inspection for coverage and defects.

03 · Applications

Where powder coating ships.

Electrical enclosures

RAL 7035 light grey powder coat — industrial standard for control cabinets, PLC panels

Industrial equipment

Textured powder coat on machine frames, weldments, fabricated assemblies

Outdoor hardware

Super-durable polyester on solar mounting, outdoor enclosures, signage

Architectural aluminum

Custom RAL on window frames, curtain wall components, handrails

Automotive exterior

OEM-quality powder coat on wheels, frames, accessory parts

EV charging stations

Weatherproof powder coat on charging station enclosures

Retail displays

Textured or custom colors on store fixtures, display cases, point-of-sale hardware

Garden furniture

Super-durable polyester on outdoor furniture frames, garden tools

Bicycle frames

High-gloss or metallic powder coat on premium bicycle frames and components

FAQ

Powder coating questions.

Powder coat: durable outdoor finish, wide color range including textured, thicker (50–120 µm) provides excellent impact resistance. Standard for sheet metal enclosures, industrial equipment, outdoor hardware. Wet paint: thinner coatings (25–40 µm), cosmetic perfection possible (no orange peel), required for some Pantone-critical cosmetic work. Anodize (aluminum only): premium cosmetic consumer electronics, integrates into the metal surface (no coating thickness), wear-resistant in Type III hardcoat. Rule of thumb: Anodize for premium aluminum cosmetics, powder coat for durable industrial and outdoor, wet paint for exact Pantone matching.
All 2,000+ standard RAL Classic colors, plus Pantone matching, custom color development. Most common requested: RAL 9005 (jet black), RAL 9010 (pure white), RAL 7035 (light grey for electrical equipment), RAL 5015 (sky blue), RAL 3020 (traffic red), RAL 9016 (traffic white). For textured finishes, popular options include RAL 7016 textured anthracite grey, RAL 9005 textured black.
High-quality powder coating with proper surface preparation (phosphate conversion + primer) lasts 10–20 years in moderate outdoor conditions, 5–10 years in severe UV or coastal environments. Failure modes: UV chalking (color dulls), edge rust-through if substrate prep was inadequate. For maximum outdoor durability: specify polyester or super-durable polyester powder (vs lower-cost epoxy), ensure pretreatment includes chromate or zirconium-based conversion coating, and specify coating thickness of 80–120 µm minimum.
Yes — standard workflow. Welded assemblies require: (1) Grind welds flush if cosmetic finish is desired. (2) Bead-blast or acid-pickle to remove heat-affected zone oxides (powder won't stick to scale). (3) Apply conversion coating. (4) Powder coat and cure. Weld spatter must be removed before coating — otherwise it remains visible under the finish. For cosmetic-critical weldments, filler/body may be applied after welding for weld-line invisibility.
Fine texture (wrinkle/orange peel effect), medium texture (pebbled surface), coarse hammered texture, wrinkle finish (industrial equipment classic look), metallic flake (automotive and consumer electronics), high-gloss smooth, matte smooth (commonly used for modern electronics), semi-gloss. Texture finishes hide minor surface imperfections on the substrate — often specified for sheet metal enclosures where welds and deburred edges would show through a smooth gloss finish.
Small batches (10–50 parts) are accommodated with setup charge ($50–150) but economics favor larger batches. A 500-piece production run has about the same setup overhead as a 10-piece sample batch — so per-unit cost drops significantly with volume. For 1–2 piece prototypes needing powder coat appearance, consider wet spray paint instead; for anything over 50 parts, powder coat becomes very cost-effective.
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