Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

BASF Nekal BX Conc.Paste 40% Surfactant

BASF Nekal BX Conc. Paste 40% is a high-performance anionic surfactant paste from BASF’s Nekal series, featuring sodium linear alkylbenzenesulfonate (LAS) as the active ingredient. It offers excellent detergency, foaming, and emulsification in industrial and household cleaning formulations. Concentrated at 40% active matter, it ensures efficient handling, storage, and dosing while maintaining stability and compatibility across diverse pH ranges and electrolyte conditions.
  • basf nekal bx conc.paste 40 surfactant_5e60e323
  • basf nekal bx conc.paste 40 surfactant_5e60e323

Features Of BASF Nekal BX Conc.Paste 40% Surfactant

  1. Highly concentrated anionic surfactant paste with 40% active matter content for efficient dosing and reduced transport/logistics footprint.

  2. Excellent wetting, emulsifying, and foaming performance in both hard and soft water conditions.

  3. Good compatibility with common co-surfactants, builders, and enzymes used in industrial cleaning formulations.

  4. Low-foaming profile suitable for high-speed mechanical cleaning processes including CIP (Clean-in-Place) systems.

  5. Stable viscosity and phase behavior across a broad temperature range (5–40 °C), ensuring reliable handling and pumpability.

Typical Applications Of BASF Nekal BX Conc.Paste 40% Surfactant

  1. Alkaline industrial cleaners for metal parts degreasing and pre-treatment prior to coating or plating.

  2. CIP detergents in food & beverage, dairy, and pharmaceutical processing equipment cleaning.

  3. Heavy-duty floor and surface cleaners for manufacturing facilities and transportation maintenance.

  4. Formulations for textile scouring and preparatory treatments in industrial laundries.

  5. Specialty cleaning agents for electronics component rinsing and precision equipment maintenance.

Specifications Of BASF Nekal BX Conc.Paste 40% Surfactant

Chemical TypeAnionic surfactant (alkylbenzene sulfonate-based)
Product FormConcentrated viscous paste
AppearanceOff-white to light beige homogeneous paste
Active Matter ContentApprox. 40 wt.%
pH (1% aqueous solution)8.0–9.5
Density (20 °C)1.12–1.16 g/cm³
SolubilityReadily dispersible in water; forms clear to slightly opalescent solutions
Storage StabilityStable for ≥12 months at 5–30 °C in sealed original container


BASF Nekal BX Conc.Paste 40% Surfactant – Frequently Asked Questions (FAQ)

Q1: What is the primary function of Nekal BX Conc.Paste 40% in industrial formulations?

A: Nekal BX Conc.Paste 40% is an anionic surfactant paste based on linear alkylbenzene sulfonates (LAS), designed primarily for its strong detergency, foaming, and emulsifying properties in aqueous systems. It is commonly used to enhance cleaning performance and stabilize oil-in-water dispersions across various industrial applications.


Q2: Is Nekal BX Conc.Paste 40% compatible with common co-surfactants and builders?

A: Yes, it exhibits good compatibility with nonionic surfactants (e.g., alcohol ethoxylates), amphoteric surfactants, and standard inorganic builders such as sodium carbonate and sodium silicate. Compatibility with cationic species should be evaluated case-by-case due to potential interaction risks.


Q3: How should Nekal BX Conc.Paste 40% be handled during formulation to ensure optimal performance?

A: For best results, incorporate the paste into the aqueous phase under moderate agitation at temperatures between 20–40 °C. Pre-dilution with water or co-solvents may improve dispersion in viscous or high-solids systems. Avoid prolonged exposure to strongly acidic or highly alkaline conditions outside typical formulation pH ranges (pH 7–11).


Q4: What are typical dosage levels when using Nekal BX Conc.Paste 40% in cleaning or emulsion products?

A: Dosage depends on formulation requirements and desired performance, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight in finished products. Higher active content allows for efficient dosing while minimizing water addition.



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