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HNP 1325 Solvent-Based Dispersant for Better Pigment Dispersion
Achieving stable pigment dispersion is essential for color strength, gloss, viscosity control, and long-term coating stability. HNP 1325 is a solvent-based dispersant for coatings designed for carbon black, organic pigments, and other pigment systems where efficient dispersion and strong color development are required.
As a classic and versatile high-molecular-weight dispersant, HNP 1325 offers broad compatibility with acrylic resins, saturated polyester resins, low- and medium-oil alkyd resins, as well as selected UV systems.
Therefore, coating formulators can use it across multiple solvent-based applications while maintaining reliable dispersion performance.
Strong Dispersion for Carbon Black and Organic Pigments
One of the main advantages of HNP 1325 is its strong dispersing capability for carbon black and organic pigments.
In particular, the product performs well with high-pigment carbon black. It helps improve blackness while reducing viscosity, making the formulation easier to process.
Moreover, better pigment dispersion can improve gloss and brightness while reducing pigment flocculation.
As a result, manufacturers can achieve a cleaner, deeper, and more uniform coating appearance.
Improved Viscosity and Production Efficiency
Poor pigment dispersion often increases viscosity and extends grinding time.
HNP 1325 helps reduce viscosity during pigment processing. Consequently, formulators can improve grinding efficiency and shorten production cycles.
The product can also help reduce haze caused by uneven pigment dispersion.
In addition, improved dispersion stability supports better storage performance and helps maintain more consistent coating quality over time.
Broad Resin Compatibility
This solvent-based dispersant for coatings is suitable for several commonly used resin systems, including:
- Acrylic resin
- Saturated polyester resin
- Low-oil alkyd resin
- Medium-oil alkyd resin
- UV coating systems
This broad compatibility makes HNP 1325 suitable for manufacturers producing different solvent-based coating formulations.
Recommended Applications
HNP 1325 can be used in:
- Coil coatings
- Anti-corrosion coatings
- Marine coatings
- Alkyd drum paints
- Industrial solvent-based coatings
These applications often require good pigment stability, strong color development, and controlled viscosity.
Therefore, HNP 1325 provides a practical option for formulators seeking one versatile dispersant for different industrial coating systems.
Typical Properties
| Property | Specification |
|---|---|
| Product | HNP 1325 Dispersant |
| Appearance | Brown liquid |
| Active Ingredient | 43.0%–47.0% |
| Typical Active Content | Approx. 45% |
| Solvent | BGA |
Recommended Dosage
The appropriate dosage depends on pigment type and formulation requirements.
| Pigment Type | Recommended Dosage |
|---|---|
| Inorganic Pigment | 1–3% |
| Titanium Dioxide / Filler | 1–3% |
| Organic Pigment | 20–50% |
| Carbon Black | 30–80% |
Because different pigments have different surface areas and dispersion requirements, formulators should optimize the final dosage through laboratory testing.
Why Choose HNP 1325 Dispersant?
HNP 1325 combines several important benefits:
- Strong carbon black dispersion
- Excellent blackness development
- Good viscosity reduction
- Improved gloss and brightness
- Better anti-flocculation performance
- Reduced grinding time
- Improved storage stability
- Broad resin compatibility
For high-pigment carbon black applications in particular, HNP 1325 provides a strong balance between blackness, viscosity reduction, and processing efficiency.
Packaging and Storage
HNP 1325 is available in:
- 25 kg iron drums
- 200 kg iron drums
The standard lead time is approximately 2 weeks.
Store the product in a cool, well-ventilated place. Under recommended storage conditions, the shelf life is 2 years from the production date.
The product is manufactured under an ISO 9001 quality management system.
Improve Your Pigment Dispersion with HNP 1325
For manufacturers looking for a reliable solvent-based dispersant for coatings, HNP 1325 provides a versatile solution for carbon black, organic pigments, and multiple resin systems.
Share your resin type, pigment, pigment loading, target viscosity, and coating application to evaluate the appropriate dosage and formulation approach.
