Elementis Deqian NUOSPERSE 657 RD Wetting Dispersant

Effect of Elementis Deqian NUOSPERSE 657 RD Wetting Dispersant

1. Efficient wetting and dispersion - Added before grinding, quickly wets pigments and significantly improves dispersion uniformity

2. Environmentally friendly and low aromatic hydrocarbon - Extremely low content of cyclic aromatic hydrocarbons, meets environmental protection production standards, reduces environmental impact

3. Improved processing efficiency - Shortens grinding time, reduces grinding slurry viscosity and increases system solid content

4. Strong system adaptability - Suitable for various solvent coatings and ethylene systems, with excellent compatibility and no adverse effects

5. Optimized finished product performance - Improves coating stability, tinting strength and hiding power, without affecting film gloss and adhesion

Typical Applications of Elementis Deqian NUOSPERSE 657 RD Wetting Dispersant

1. Air-drying alkyd coatings - Suitable for air-drying alkyd coatings, optimizing pigment dispersion and improving film forming effect

2. Alkyd/amino resin baking paints - Special for baking paints, improving dispersion stability and ensuring uniform color of baking paints

3. Acrylic bright paints - Optimizes the tinting strength and hiding power of bright paints, improving film gloss and flatness

4. Industrial primers - Special for industrial primers, enhancing pigment dispersion and improving primer protection performance

5. Ethylene system coatings - Suitable for ethylene systems such as ethylene coatings and extrusion slurries, optimizing pigment grinding and dispersion effects

Technical Data of Elementis Deqian NUOSPERSE 657 RD Wetting Dispersant

Elementis Deqian NUOSPERSE 657 RD Wetting Dispersant – Frequently Asked Questions (FAQ)

Q1: What types of pigments and fillers is NUOSPERSE 657 RD especially effective for?

A: NUOSPERSE 657 RD is optimized for challenging inorganic pigments such as titanium dioxide, iron oxides, and carbon black, as well as high-surface-area fillers like silica and calcium carbonate. Its molecular design supports rapid wetting and stabilization in aqueous systems with minimal flocculation.

Q2: Can NUOSPERSE 657 RD be used in both anionic and non-ionic surfactant-containing formulations?

A: Yes — NUOSPERSE 657 RD exhibits good compatibility with common anionic and non-ionic surfactants found in architectural, industrial, and functional coatings. It does not typically interfere with foam control or rheology modifiers when added at recommended levels.

Q3: How should NUOSPERSE 657 RD be incorporated into a water-based paint formulation?

A: It is typically added during the pigment grind stage, either neat or pre-diluted with water or process water, to ensure optimal wetting before dispersion. Premixing with pigment paste prior to high-shear dispersion enhances efficiency and reduces processing time.

Q4: Is NUOSPERSE 657 RD suitable for low-VOC or zero-VOC formulations?

A: Yes — it contains no added APEOs, alkylphenols, or volatile organic solvents, and is formulated to support compliance with modern low-VOC regulatory expectations in architectural and decorative coatings without compromising dispersion stability.