Spray Painting Service
Custom painting for injection molded parts. Achieve the perfect look for your product.
What Is Spray Painting?
Spray painting is a precision surface finishing process applied to injection-molded plastic parts to enhance aesthetics, durability, and functionality. Using automated or manual spray equipment, high-quality coatings are evenly applied to achieve uniform color, smooth texture, and protective properties. It transforms raw plastic parts into finished products with brand-aligned looks and enhanced performance.
Our team specializes in custom painting solutions tailored to your project’s unique needs. Using state-of-the-art automated systems, we deliver flawless finishes that meet the demands of a wide range of industries.From protective coatings to vibrant custom colors, SMARTTECH ensures your products are both visually appealing and functionally superior.
Key Benefits of Spray Painting
Transform your plastic parts with custom colors, textures, and finishes.
- Custom Color Matching: Exact Pantone/RAL/brand color matching for brand consistency
- Superior Surface Finish: High-gloss, matte, satin, soft-touch, metallic, textured options
- Enhanced Durability: Scratch, chemical, UV, and wear resistance for long life
- Multi-Color Capability: Two-tone/multi-color painting with precise masking
- Functional Coatings: UV-stabilized, anti-static, heat-resistant, and food-safe finishes
- Cost Efficiency: In-house integration with injection molding (one supplier, one delivery)
- Consistent Quality: Automated lines ensure repeatability and high first-pass yield
Our Painting Capabilities & Equipment
- Class 10k/100k Clean Rooms: Dust-free environment for flawless, high-grade finishes
- Automated Robotic Spray Lines: Precision robotic application for uniform coating thickness
- Manual Spray Booths: For small batches, prototypes, and complex geometries
- Conveyor & Curing Systems: Tunnel ovens for proper drying and cross-linking
- Color Matching Lab: In-house spectral matching and custom paint mixing
- Materials: ABS, PC, PP, PA, PVC, PMMA, TPE, and most engineering plastics
- Capacity: 5M+ parts painted annually; supports low to high-volume production
Typical Industry Applications
- Automotive (interior/exterior trim, panels)
- Consumer Electronics (cases, housings, controls)
- Home Appliances (covers, buttons, decorative parts)
- Medical Devices (handles, enclosures, housings)
- Industrial Equipment (covers, panels, control components)
- Consumer Goods (toys, personal care, kitchenware)
Our Spray Painting Process
- Pre-Treatment: Parts cleaning, surface activation, and adhesion promotion
- Masking: Precision masking for multi-color sections or critical areas
- Priming (if needed): Base coat for adhesion and corrosion resistance
- Base Coat: Color application (1–3 layers for depth and uniformity)
- Clear Coat: Protective top coat for gloss and durability
- Curing: Infrared/convection curing for optimal coating hardness
- Inspection: Visual, thickness, adhesion, and scratch testing
- Packing: ESD-safe packaging to protect finished parts
Why Choose Our Spray Painting Services?
One-Stop Manufacturing
Mold making → injection molding → spray painting → assembly
Advanced Equipment
Automated robotic lines + clean rooms for Class A finishes
High Precision
±0.01mm film thickness control; 99%+ first-pass yield
Flexible MOQ
Prototypes, small batches, and mass production supported