Seaton New Materials Plastic Product Coating Solutions

— A Comprehensive Technical Analysis of Waterborne Plastic Coating Resins

I. Solution Overview

As environmental regulations become increasingly stringent and consumer demands for product quality continue to rise, waterborne plastic coatings have become an important finishing choice for industries such as 3C electronics, home appliances, toys, and automotive interiors. Guangdong Seaton New Materials Technology Co., Ltd. (Seaton Chemical) is deeply rooted in the field of waterborne coating resins. Leveraging three core product lines—self-developed SEACRYL acrylic emulsions, SEAPUR polyurethane dispersions, and waterborne UV resins—it provides comprehensive waterborne coating solutions for plastic substrates. The product system covers a wide range of application types, including single-component primers, silver powder paints, solid-color paints, PU clear coats, waterborne UV topcoats, and soft-touch rubber paints. It can meet the coating needs of various plastic substrates such as ABS, PC, PC+ABS, PVC, HIPS, and PMMA, helping enterprises achieve environmental upgrades and quality improvements.

II. Core Product System

2.1 SEACRYL Waterborne Acrylic Emulsion Series

The SEACRYL series acrylic emulsions form the foundational product line of Seaton's plastic coating solutions, covering two major types—single-component and two-component—suitable for various coating systems such as silver powder paint, solid-color paint, and crackle paint.

SEACRYL 11P22: Strong thixotropy with excellent silver flake alignment; adhesion to substrates such as ABS, PC, and PVC reaches Grade 0 (GB/T 9286); excellent intercoat adhesion with UV topcoat layers. The composite coating has water resistance greater than 5 days and boil resistance (80°C) greater than 1 hour. Solid content 40±1%, pH 8.0–9.0, no intentionally added APEO, and no formaldehyde or formaldehyde-releasing substances. Specifically designed for waterborne single-component plastic silver powder primers and solid-color primers.

SEACRYL 11P58: Excellent compatibility with color pastes; adhesion to substrates such as ABS and PC reaches Grade 0; good intercoat adhesion with UV/PU layers; the composite coating has boil resistance (80°C) greater than 1 hour. Suitable for plastic solid-color paints and toy paints.

SEACRYL 11P27: Suitable for silver powder paint and crackle paint. Hardness reaches H grade, with good color paste compatibility, water resistance greater than 7 days, and alcohol scrub resistance greater than 200 cycles. Combined with the 11W19 primer, it achieves crackle decorative effects, widely used in personalized plastic coatings.

SEACRYL 11P28: Good substrate versatility; adhesion reaches Grade 0 on various plastic substrates including PC, ABS, HIPS, and PMMA; hardness H; water resistance greater than 7 days; boil resistance greater than 60 minutes. Suitable for one-coat single-component silver powder paint for products such as small home appliances and casings.

SEACRYL 11P51: Hydroxyl acrylic emulsion, designed for waterborne two-component silver powder paint and clear coat. Solid content 40±1%, glass transition temperature 48°C, hydroxyl content 1.0%. Paired with waterborne isocyanate curing agents, hardness reaches H, RCA paper tape abrasion resistance greater than 70 cycles, alcohol scrub resistance greater than 300 cycles, and boil resistance greater than 30 minutes, with outstanding cost performance.

SEACRYL 12P01: Hydroxyl acrylic emulsion, specifically designed for the electronics 3C and home appliance plastic sectors. Solid content 40±1%, MFFT 30°C, hydroxyl value 1.0%. Excellent intercoat adhesion, good silver alignment and metallic appearance, good dispersion of color pastes and matting agents. Suitable for waterborne two-component plastic clear primers or solid-color primers.

2.2 SEAPUR Waterborne Polyurethane Dispersion Series

SEAPUR 40P35: Polyurethane dispersion used as a plastic adhesion primer. The film has excellent flexibility with elongation at break greater than 200%; ambient-temperature adhesion develops quickly; good compatibility with conventional emulsions. Adhesion reaches Grade 0 on PC, ABS, PC+ABS, and PVC; the composite coating shows no abnormality after boil resistance at 85°C for 2 hours. Suitable for plastic toy paints and adhesion primers.

SEAPUR 50G75: Waterborne self-matte polyurethane dispersion for two-component full-matte soft-touch paint. Solid content 33±1%, low gloss (only 0.5 at 60°), strong thick-film feel and excellent rubber-like touch; scratch-resistant and repairable. Pencil hardness HB, boil resistance greater than 120 minutes, alcohol scrub resistance greater than 300 cycles. Widely applied in helmet touch paints, automotive leather, and other fields.

SEAPUR 55F50: Waterborne self-matte polyurethane dispersion, solid content 33±1%, pH 7–9. It has excellent hand feel, low gloss, and excellent scratch resistance. Suitable for plastic rubber paints, wood soft-touch paints, and paper and film applications.

2.3 Waterborne UV Resin Series

Seaton's waterborne UV resin series includes models such as SEARAYS 33G31, SEARAYS 33G32, SEARAYS 33G41, and SEARAYS 33G44, providing a complete UV solution from clear topcoat to one-coat silver powder paint, with curing energy of 700–1000 mJ/cm².

• SEARAYS 33G31+33G32 clear UV topcoat: pencil hardness 2H, gloss 92° at 60°, alcohol scrub resistance greater than 1000 cycles, RCA abrasion resistance greater than 300 cycles, fast curing speed, and good yellowing resistance.

• SEARAYS 33G41 stain-resistant UV: matte (gloss 5° at 60°), hardness 2H, boil resistance at 85°C greater than 60 minutes, alcohol scrub resistance greater than 1000 cycles, with good stain resistance.

• SEARAYS 33G44 one-coat UV silver powder paint: combines silver alignment metallic appearance with wear resistance, L value 88, alcohol scrub resistance greater than 1000 cycles, RCA greater than 150 cycles, recoatable within 24 hours. Suitable for products such as laptops and home appliances.

III. Application Solution Matrix

Seaton New Materials provides targeted product combination solutions according to different application scenarios:

IV. Core Technical Advantages

• Environmental Compliance: All products have no intentionally added APEO, no formaldehyde or formaldehyde-releasing substances, meeting waterborne environmental requirements and helping enterprises pass environmental certification.

• Broad-Spectrum Adhesion: Covers mainstream plastic substrates including ABS, PC, PC+ABS, PVC, HIPS, and PMMA, with adhesion all reaching Grade 0 (GB/T 9286).

• Multi-Layer Compatibility: Full primer–topcoat–clear coat system matching, with excellent intercoat adhesion, supporting UV/PU composite coating systems; coating boil resistance 30–120 minutes.

• High Performance Indicators: Hardness H–2H, water resistance greater than 7 days, alcohol scrub resistance 150–1000 cycles or more, RCA paper tape abrasion resistance 30–300 cycles or more.

• Storage Stability: Store at 5–30°C away from light, shelf life 6–12 months, standard 120 kg plastic drum packaging, meeting industrial production needs.

V. Conclusion

Seaton New Materials' waterborne plastic coating solution is centered on three core product lines—SEACRYL acrylic emulsions, SEAPUR polyurethane dispersions, and waterborne UV resins—building a complete product matrix from primer to topcoat, from single-component to two-component, and from conventional coating to special touch effects. The products are widely applied in fields such as 3C electronics, home appliances, toys, automotive interiors, and helmets, with environmental compliance, high-performance adhesion, and excellent resistance as core competitiveness, providing reliable waterborne technical solutions for the plastic coating industry.