Color masterbatch for coating
Product Number： FT028
Concentration ：
60%
Carrier ：
PE
Add Scale ：
5-8%
Light Resistance ：
Level 7
Heat Resistance ：
220-300℃
Migration Resistance ：
Level 5
Weight： 1000 (Kg)
Minimum order quantity： 500
Category：
White Masterbatch
Cast film
Hotline：
+86-551-65659891
Color masterbatch for coating
key words：
Products Descript
Coating color masterbatch is high-concentration pellet pigment concentrate specially designed for solvent-based, water-based, powder coatings, and plastic coating integrated molding. It uses coating-compatible resin/wax as carrier, loaded with finely dispersed pigments, to color coating films uniformly without agglomeration, sedimentation or pinholes.
It differs fundamentally from ordinary plastic masterbatch: its carrier must dissolve/stably disperse in coating solvents or water, instead of only melting with plastic resin.
2. Core Composition
(1) Carrier (the biggest difference vs plastic masterbatch)
- Solvent coating masterbatch: EVA wax, alkyd resin, acrylic resin, polyester wax, low-molecular PE wax (soluble in xylene, butyl ester, cyclohexanone)
- Water-based coating masterbatch: Water-dispersible acrylic wax, modified polyether carrier (no organic solvent precipitation, stable in aqueous system)
- Powder coating masterbatch: Solid epoxy, polyester resin carrier, no volatile solvent
(2) Colorants
- Inorganic pigments: TiO₂, carbon black, iron oxide series — high hiding power, weather resistance, chemical resistance (for exterior architectural, industrial anti-corrosion coatings)
- High-performance organic pigments: Phthalocyanine, quinacridone, perylene — bright vivid color, strong tinting strength (automotive topcoat, decorative finish)
- Special effect pigments: Pearlescent, metallic, fluorescent, luminous pigments
(3) Special Auxiliaries for Coatings
- Solvent-compatible dispersant: Prevent pigment re-agglomeration after mixing into paint
- Anti-settling agent: Avoid pigment precipitation during coating storage
- Anti-flocculation stabilizer: Keep uniform suspension in liquid coating
- Anti-yellowing agent, UV stabilizer (for outdoor coating systems)
- Defoamer matching coating formula to eliminate film bubbles
3. Main Classifications & Application Scenarios
1) Solvent-based coating masterbatch
Carrier: Alkyd, polyester, EVA wax
Applications: Metal anti-corrosion paint, furniture polyurethane paint, automotive intermediate coat, plastic spray paint, industrial machinery finish
2) Water-based coating masterbatch
Carrier: Water-dispersible acrylic wax
Applications: Water-based architectural latex paint, water-based wood paint, water-based automotive paint, environmental plastic coating
3) Powder coating masterbatch
Carrier: Solid epoxy / polyester resin
Applications: Metal electrostatic powder spraying, hardware profile coating, household appliance shell powder coating
4) Integrated plastic coating masterbatch (one-step molding)
Carrier: Modified PE/PP/TPU, compatible with plastic substrate + surface coating layer
Applications: Plastic injection + in-mold coating, plastic film coating, automotive interior plastic parts with surface color coating
4. Key Differences vs Ordinary Plastic Color Masterbatch
| Comparison Item | Coating Color Masterbatch | General Plastic Color Masterbatch |
|---|---|---|
| Carrier characteristic | Dissolvable in solvent/water | Only thermally meltable, insoluble in liquid |
| Applicable medium | Liquid paint, powder coating | Molten plastic resin only |
| Dispersion demand | Anti-settling, anti-flocculation in liquid | Anti-agglomeration under high-temperature shearing |
| Film side effect | No fish eyes, smooth gloss film | Precipitates, causes particles if added to paint |
| Auxiliary system | Solvent/water-based stabilizers, anti-settling wax | Plastic lubricants, processing anti-oxidants |
5. Usage Guidelines
- Match masterbatch carrier with coating system: Do not mix solvent-type masterbatch into pure water-based paint, and vice versa.
- Standard addition ratio: 1%–6%; adjust dosage according to required hiding power and color depth.
- Pre-mix masterbatch with coating base material under medium-speed stirring for 5–10 min to achieve full dissolution.
- For outdoor coatings, select weather-resistant pigment grades with built-in UV stabilizer.
- Avoid over-dosage, which may reduce coating hardness, gloss and water resistance.
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