Surface Finishing Service at KingStar Mold
Enhance the Aesthetics and Durability of Your Parts
At KingStar Mold, we offer a comprehensive range of surface finishing services designed to improve the appearance, durability, and functionality of your parts. Whether you need a glossy polished finish, functional texturing, or protective coatings, our team uses advanced techniques and high-quality materials to meet your specific requirements. Each finishing process is carefully selected to match the demands of your product, ensuring it performs at its best in any environment.
Our surface finishing services are ideal for industries where both aesthetics and performance are crucial. From consumer electronics to automotive components, we provide solutions that enhance product quality and extend lifespan. With our precision-driven approach, we ensure every part meets the highest standards of finish, functionality, and durability.
20+
Types Available
400M+
Capacity Monthly
20+
Partnerships
10Y+
Experience
99%+
Satisfactory Rate
Available Surface Treatment Choice For You
SPI Surface Finish
Comparison Table of 21 Surface Treatment
| Surface Treatment | Description | Relevant Pre-Processing Services | Applicable Materials | Typical Applications | Relevant Standards | Cost | |
|---|---|---|---|---|---|---|---|
 | Anodizing | Electrochemical process forming an oxide film (primarily for aluminum), enhancing corrosion resistance and wear resistance; available in natural, black, or colored finishes | CNC Machining, Extrusion Molding, Sheet Metal Fabrication | Aluminum & aluminum alloys (6061/2024/5052) | Automotive components (wheels, trim), electronic enclosures (phone middle frames), outdoor lighting housings | AMS 2471 (aerospace aluminum anodizing), ISO 7599 (aluminum anodizing), RoHS | $$ |
 | Hot Stamping | High-temperature, high-pressure transfer of metal/pigment foils to surfaces, creating metallic or colored patterns with strong adhesion | Injection Molding, CNC Machining, 3D Printing | Plastic (ABS/PC), Metal (aluminum/stainless steel) | Appliance panels (refrigerator/washing machine logos), metal nameplates for gift boxes, automotive interior trim | REACH (chemical substance restrictions), FDA 21 CFR Part 175 (food-contact inks) | $$ |
 | Laser Engraving | High-energy laser etching patterns/text on surfaces with high precision (0.01mm); no residual consumables, permanent texture | CNC Machining, 3D Printing, Sheet Metal Cutting (sheet cutting) | Metal (all types), Plastic | Medical device serial numbers, electronic component markings, tool handle scales, custom metal signs | ISO 13007 (laser processing quality), FDA 21 CFR Part 820 (medical device labeling) | $$$ |
 | Pad Printing | Ink transfer to irregular surfaces (curves/recesses) via silicone pads; ideal for small-area patterns with flexible color options | Injection Molding, CNC Turning, Rubber Molding (rubber part molding) | Plastic (PP/PE/ABS), Metal (small parts), Rubber | Toy surface patterns, electronic key characters, small hardware logos, medical device knob markings | REACH (ink chemical restrictions), ASTM D3359 (adhesion testing) | $$ |
 | Sand Blasting | High-pressure abrasive (quartz sand/alumina) spray to create a matte, rough surface; removes oxide layers/burrs and improves coating adhesion | CNC Machining (casting deburring), Forging, Sheet Metal Fabrication (sheet rust removal) | Stainless steel, Aluminum, Carbon steel, Copper | Industrial equipment enclosures (slip-resistant), architectural decorative panels (matte finish), automotive chassis components (pre-treatment), mold surface roughening | ISO 8501-1 (surface cleanliness), ASTM B215 (metal sandblasting standard) | $$ |
 | Electroplating | Electrochemical deposition of metal layers (chrome/nickel/zinc/gold) to enhance gloss, corrosion resistance, and wear resistance; available in mirror or matte finishes | CNC Machining (pre-polishing), Injection Molding, Stamping | Stainless steel, Carbon steel, Copper, Brass | Bathroom hardware (chrome-plated faucets), electronic connectors (gold/nickel plating), automotive wheels (chrome plating), jewelry components (silver plating) | RoHS (lead/cadmium-free), ASTM B456 (chrome plating standard), FDA 21 CFR Part 175.300 (food-contact plating) | $$$$ |
 | Spraying | High-pressure spray gun applying liquid coatings (paint/resin) for uniform coverage; wide color range with customizable matte/glossy finishes | CNC Machining, Injection Molding | Metal (all types), Plastic | Furniture frames, automotive bumpers, outdoor billboards, industrial control cabinet enclosures | REACH (coating chemical restrictions), ASTM D1653 (coating corrosion resistance), ISO 12944 (corrosion protection coatings) | $$$ |
 | PVD | Vacuum deposition of metal compound films (TiN/Chrome/Ceramic); thin film (1-5μm) with high hardness and wear resistance | CNC Machining, Titanium Forging | Stainless steel, Titanium, Aluminum, High-carbon steel | Luxury hardware (watch cases), aerospace components, medical surgical instruments, high-end kitchen panels | AMS 2486 (aerospace PVD coatings), ISO 14713 (PVD coating standard), FDA 21 CFR Part 820 (medical applications) | $$$$$ |
 | Silk Screening | Screen stencil-based ink printing on flat/simple curved surfaces; cost-effective, high-efficiency for large-area single/multi-color patterns | Injection Molding, Sheet Metal Fabrication (flat metal processing) | Metal (flat sheets), Plastic | Electronic enclosures (laptop A-side), architectural decorative paintings, appliance control panels, advertising signs | REACH (ink restrictions), ASTM D3359 (adhesion testing), FDA 21 CFR Part 177 (food-contact materials) | $$ |
 | Powder Coating | Electrostatic adsorption of powder coatings followed by high-temperature curing; thick film (50-150μm) with impact/corrosion resistance; solvent-free and eco-friendly | CNC Bending, Welding | Steel (carbon/stainless), Aluminum | Automotive wheels, outdoor furniture, fitness equipment, industrial racks, electrical distribution box enclosures | AMS 2485 (aerospace powder coatings), ASTM D7091 (powder coating performance), RoHS | $$$ |
 | CNC Milling (As Machined) | Retains original surface after CNC machining (no additional treatment); showcases natural metal texture with precision dependent on machining parameters (Ra 1.6-6.3μm) | CNC Milling, CNC Turning, 5-Axis Machining | All metals (aluminum/steel/titanium), Plastic | Mechanical parts (gears/bearing housings), automation equipment components, prototypes, industrial jigs | ISO 8685 (CNC machining surface quality), ASTM B468 (metal machining precision) | $$ |
 | Electropolishing | Electrochemical removal of micro-protrusions to create mirror or ultra-smooth surfaces (Ra 0.025-0.1μm); enhances corrosion resistance | CNC Machining | Stainless steel (304/316), Titanium, Copper | Medical devices (surgical instruments/cavity components), food machinery (conveyor tubes), semiconductor parts, laboratory equipment | FDA 3-A (hygiene standard), ASTM B912 (stainless steel electropolishing), ISO 10993 (medical biocompatibility) | $$$$ |
 | Vibratory Tumbling | Abrasive-workpiece friction via vibration to remove burrs/sharp edges; creates matte or lightly polished finish ideal for high-volume small parts | CNC Turning, Stamping, Injection Molding | Aluminum, Stainless steel, Brass, Zinc alloy | Small hardware (screws/nuts), electronic component pins, automotive small parts (clips), jewelry blanks | ASTM B611 (metal deburring standard), ISO 8503-3 (surface roughness testing) | $ |
 | Heat Treatment | Altering metal internal structure via heating/cooling (not a surface coating) to enhance hardness/toughness (e.g., quenching, annealing, tempering) | CNC Machining (tool roughing), Forging | Carbon steel, Alloy steel, Tool steel, Titanium | Tools (wrench/screwdriver blade quenching), automotive transmission components (gear tempering), mechanical shafts (quenching-tempering), mold steel (hardening) | AMS 2750 (heat treatment temperature uniformity), ASTM A959 (steel heat treatment standard), ISO 9001 (quality management system) | $$$ |
 | Alodine Finish | Chemical conversion coating (aluminum-only) forming a colorless/light yellow protective film; enhances corrosion resistance, ideal as a coating base | CNC Machining, Extrusion Molding | Aluminum & aluminum alloys (6061/2024) | Aerospace components (lightweight aluminum parts), automotive aluminum brackets, electronic heat sinks, outdoor aluminum structures | AMS 2473 (aerospace aluminum Alodine treatment), ISO 17892 (aluminum chemical conversion coatings), RoHS | $$ |
 | Teflon Coating | Polytetrafluoroethylene (PTFE) spraying for high-temperature resistance (-200℃ to 260℃), non-stick properties, and chemical corrosion resistance | CNC Machining, Injection Molding | Metal (screws/bolts), Aluminum, Steel, Titanium | Kitchenware (non-stick pan coatings), industrial fasteners (corrosion protection), medical devices (sterilization resistance), high-temperature valve components | FDA 21 CFR Part 177.1550 (food-contact PTFE), ASTM D3300 (PTFE coating performance) | $$$$ |
 | Black Oxide Finish | Chemical treatment forming a black oxide film (e.g., Fe₃O₄) on metal surfaces; low cost, improves rust resistance, matte black appearance | CNC Turning, Stamping, Tool Machining | Carbon steel, Alloy steel, Cast iron | Tools (wrenches/screwdrivers), automotive chassis parts, springs, firearm components, industrial fasteners | ASTM D1653 (coating corrosion resistance), ISO 10546 (black oxide film standard), RoHS | $ |
 | Electroless Nickel Plating | Electroless nickel-phosphorus alloy deposition (no power source); uniform film (ideal for complex shapes) with corrosion/wear resistance and adjustable hardness | CNC Machining | Stainless steel, Carbon steel, Copper, Aluminum | Oil machinery components (oil corrosion resistance), medical devices (surgical instruments), electronic connectors, mold surfaces | ASTM B733 (electroless nickel plating standard), FDA 21 CFR Part 820 (medical applications), RoHS | $$$$ |
 | Passivation Finish | Chemical treatment forming a passive film (e.g., Cr₂O₃ on stainless steel) on metal surfaces; enhances corrosion resistance with no thickness increase or appearance change | CNC Machining | Stainless steel (304/316), Titanium, Copper | Food equipment (stainless steel sinks), medical devices, marine components (saltwater corrosion resistance), chemical pipelines | FDA 3-A (hygiene standard), ASTM A967 (stainless steel passivation), ISO 8442 (metal passivation standard) | $$ |
 | Brushed Finish | Controlled mechanical process with precision tools for uniform parallel/custom textures. It adjusts abrasion by material, delivers soft matte with subtle linear highlights, only changing surface roughness/texture (no color/coating shift). | CNC Machining, Sheet Metal Fabrication | Stainless steel (304/316/430), aluminum & alloys (6061/2024/5052), copper & brass, titanium, rigid plastics (ABS/PC/acrylic) | Luxury hardware, smartphone/laptop casings, food-grade equipment (stainless steel sinks/pipes), medical device panels, aerospace aluminum brackets, public building metal walls, vintage decorative art | NSF (food contact), FDA 3-A (medical/food), ASTM B117 (salt spray for post-treatment), Ra roughness specs (e.g., 18-31μin for hairline) | $ |
| SPI Surface Finish | SPI-standard plastic surface finish (Society of the Plastics Industry). Achieved via precision mold polishing/texturing (no post-coating; finish from mold), enhancing aesthetics, hiding fingerprints/scratches, and improving grip. | Injection Molding, CNC Machining | Thermoplastics (ABS, PC, PP, PMMA, POM, PET), thermosets (epoxy, polyester) – primarily injection-molded plastics | Consumer electronics (cases and shells), medical device plastic housings, automotive interiors (dashboard trims, door panels), home appliances, cosmetic packaging (lipstick tubes, lotion bottles) | SPI Mold Finish Standards, ASTM D2240, ISO 8256 (plastic surface gloss measurement) | $$ |
Gallery of Surface-Finished Parts
Physical Vapor Deposition (PVD) is a vacuum coating process that creates thin, durable metal films, offering improved wear resistance and aesthetic appeal.
Sandblasting is best used for creating textured surfaces or cleaning and preparing parts, particularly when a matte or rough finish is required.
Laser engraving offers high precision, permanent marking, and the ability to create intricate designs, making it ideal for branding and detailed industrial parts.
KingStar Mold uses advanced equipment and strict quality control to apply surface treatments, ensuring the highest standards for durability, aesthetics, and performance.
Pad printing transfers ink onto parts using a silicone pad, making it ideal for printing on irregularly shaped surfaces, such as medical devices or promotional products.
Anodizing is an electrochemical process that creates a durable oxide layer on metals, while electroplating involves depositing a thin metal layer onto a surface for protection and aesthetics.
KingStar Mold applies surface treatments consistently across large production runs, ensuring that every part meets the required standards for appearance and durability, regardless of volume.
Grinding and polishing are ideal for metal and hard surfaces to smooth out imperfections and improve shine, but may not be effective for all materials, especially soft plastics.
The best surface treatment depends on factors like the desired appearance, durability, material type, and application environment of your product. KingStar Mold can help advise on the optimal surface treatment for your project.
Silkscreen printing uses a stencil to apply ink, best for flat surfaces, while pad printing uses a silicone pad for printing on irregular surfaces.
Electroplating is commonly used in jewelry, automotive, and electrical components to provide corrosion resistance, improve conductivity, and enhance appearance.
Hot stamping provides a vibrant, metallic finish that is durable and ideal for applications like automotive parts and packaging where appearance is important.
