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Solvent-Based Polyurea Thixotropic Agent for Thickening, Anti-Settling and Anti-Sagging

Kabasph is a high-tech enterprise specializing in the R&D, production, and technical application of specialty additives and functional resins for the coatings, inks, and adhesives industries. Representing the company's expertise in molecular design and interfacial engineering, KBS-4410 — a solvent-based polyurea thixotropic agent — delivers superior thickening, anti-settling, and anti-sagging performance while preserving the original gloss of coating systems. As a high-performance liquid alternative to traditional solid anti-settling agents such as fumed silica and bentonite, KBS-4410 exemplifies Kabasph's commitment to innovative, application-driven solutions. With a comprehensive portfolio including wetting and dispersing agents, rheology modifiers, adhesion promoters, and modified resins, Kabasph empowers customers to overcome complex processing challenges and drives the evolution of specialty chemicals toward greater precision, functionality, and sustainability.

Chemical Name :
Polyurea Thixotropic Agent
Application :
Floor coatings, Industrial coatings, Furniture coatings, Coil coatings, Adhesives (polyurethane, acid-cured epoxy, amine-cured epoxy) , Conductive pastes and electronic materials
Product model :
KBS-4410
Viscosity :
200-3000cps (25°C)
Appearance :
Yellow to brown liquid
brand :
Kabasph

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product introduction

Kabasph^@ KBS-4410 is a solvent-based polyurea thixotropic agent primarily designed for thickening, anti-settling, and anti-sagging applications. It is suitable for a wide range of solvent-based resin systems while maintaining the original gloss level. It serves as an excellent liquid alternative to traditional solid anti-settling agents such as fumed silica and bentonite. Our KBS-4410 is equivalent in performance to BYK410.

Product Data:

Chemical composition	Modified polyurea solution
Appearance	Yellow to brown liquid
Density g/cm³ (23℃)	1.00-1.20
Viscosity cps (25°C)	200-3000
Active ingredient (%)	52
Solvent	N-methyl pyrrolidone

Key Advantages

1. Excellent Anti-Settling and Anti-Sagging Performance

Outstanding Anti-Settling Effect

In epoxy/anhydride systems, the addition of only 2% effectively prevents the settling of yellow pigments.
Provides excellent pigment suspension, particularly for pearlescent pigments, in various resin systems including acrylic, alkyd, epoxy, and polyester.
In epoxy floor coatings, post-addition of 0.3% significantly improves anti-settling performance while reducing color variation, mottling, and joint color differences.

Strong Anti-Sagging Performance

Effectively increases viscosity and improves sag resistance in alkyd, polyester, epoxy, acrylic, and other resin systems, making it suitable for vertical applications.
In solvent-free epoxy systems, when used in combination with hydrophilic fumed silica (e.g., HX-200), it generates a pronounced thixotropic effect, providing excellent performance for vertical surface applications.

2. Minimal Impact on Coating Appearance

Negligible Effect on Gloss

Test results indicate that KBS-4410 has virtually no impact on the gloss of alkyd and Epoxy 128 resin systems.
Some gloss reduction may occur in acrylic and Epoxy 601 systems; however, the effect is comparable to that of leading imported competitive products.
It is also recommended for furniture coatings due to its minimal impact on leveling and gloss.
No Adverse Effect on Leveling
The three-dimensional network structure formed by KBS-4410 provides excellent thixotropic properties without compromising coating leveling performance.

3. Broad Applicability and Excellent Versatility

Compatible with a Wide Range of Resin Systems

Suitable for solvent-based and solvent-free systems, including:

Epoxy resins
Acrylic resins
Polyurethane resins
Alkyd resins
Polyester resins
PVC paste resins
UV-curable systems

Suitable for Multiple Applications

Widely used in:

Floor coatings
Industrial coatings
Furniture coatings
Coil coatings
Printing inks
Adhesives (polyurethane, acid-cured epoxy, amine-cured epoxy)
Conductive pastes and electronic materials

Solvent-Based Polyurea Thixotropic Agent Application

Well-Defined Solvent Compatibility

Provides excellent thickening performance in medium- to low-polarity solvents such as xylene, n-butyl acetate, and PMA (propylene glycol monomethyl ether acetate).
Exhibits little or no thickening effect in highly polar solvents such as ethanol and isopropanol, offering clear formulation guidance.

4. Easy Handling and Process-Friendly

Liquid Form for Easy Incorporation and Dispersion
As a liquid thixotropic additive, KBS-4410 is easy to pump and transfer through pipelines, making it suitable for continuous manufacturing processes.

Contributes to low-VOC formulation development.

Flexible Addition Method

Can be added during the grinding stage or post-added to adjust viscosity and optimize performance.
Particularly favored in adhesive formulations due to its ease of incorporation and processing convenience.

Storage and Packaging

- 25kg iron drum with inner coating, or 180kg ring plastic drum.

- Store in a cool, dry and ventilated place. Keep container tightly closed after use and store upright to prevent leakage.

- Shelf Life: 12 moths.

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Solvent-Based Polyurea Thixotropic Agent for Thickening, Anti-Settling and Anti-Sagging

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