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

Croda Multiwet BD Wetting Agent

Croda Multiwet BD is a low-foam non-ionic wetting agent launched by Croda, specially developed and designed for the automotive and multi-industrial fields, with high-efficiency wetting, dispersing and compatibility functions. It is suitable for high-demand industrial systems, with low foam and easy control, excellent environmental performance

Effect of Croda Multiwet BD Wetting Agent

  1. Low foam and easy control - Low foam volume and easy to dissipate, suitable for industrial production scenarios requiring foam control

  2. High-efficiency wetting performance - Fast penetration and wetting, improving the compatibility and adhesion between substrates and formulations

  3. Excellent system compatibility - Suitable for water-based and solvent-based systems, compatible with various industrial additives

  4. Outstanding environmental performance - Complies with environmental protection operation standards, readily biodegradable and friendly to the environment

  5. Easy to formulate and use - No obvious viscosity fluctuation, can be directly added and stirred without special pretreatment

Typical Applications of Croda Multiwet BD Wetting Agent

  1. Automotive cleaning field - Vehicle internal and external surface cleaning formulations, improve decontamination and wetting properties, control foam

  2. Automotive coating application - Automotive coatings and adhesives, optimize leveling and interlayer adhesion, reduce shrinkage cavities

  3. Industrial coating system - Engineering plastics, foam coatings, improve wetting and dispersing effect and product durability

  4. Textile industry field - Fiber pre-treatment, non-woven fabric production, improve fiber wetting and processing performance

  5. Lubricating oil matching - Industrial lubricating oil additives, improve oil wetting and penetration, optimize lubrication effect

Technical Data of Croda Multiwet BD Wetting Agent

BrandCroda
Chemical TypeLow-foam non-ionic wetting agent; Surfactant type
Chemical CompositionSpecial polyoxyethylene ether surfactant (typical)
Active Ingredient Content≥98% (typical value)
Product FormLiquid (typical value)
IonicityNon-ionic
Density (25℃)0.96-1.01g/cm³ (typical value)
Viscosity (25℃)150-450mPa·s (typical value)
pH Value (1% aq. sol.)6.5-8.5 (typical value)
Flash Point (Closed Cup)≥115℃ (typical value)
SolubilityWater-soluble
HLB Value10-14 (estimated)


Croda Multiwet BD Wetting Agent – Frequently Asked Questions (FAQ)

Q1: What is the primary function of Croda Multiwet BD in industrial formulations?

A: Croda Multiwet BD is a high-performance, non-ionic wetting agent designed to rapidly reduce surface tension and promote uniform substrate wetting—especially on low-energy or difficult-to-wet surfaces such as plastics, pigments, and fillers. It enhances dispersion stability and interfacial adhesion without compromising formulation compatibility or performance.


Q2: Is Croda Multiwet BD suitable for water-based systems?

A: Yes, it is fully compatible with aqueous systems—including waterborne coatings, inks, agrochemical concentrates, and cleaning formulations—and demonstrates excellent hydrolytic stability across a broad pH range (typically pH 4–10).


Q3: How does Croda Multiwet BD compare to traditional alkylphenol ethoxylates (APEOs)?

A: Croda Multiwet BD is an APEO-free, readily biodegradable alternative that delivers comparable or superior wetting efficiency while meeting evolving regulatory expectations and sustainability goals. Its non-ionic structure avoids endocrine-disruption concerns associated with APEOs.


Q4: What is the typical dosage range for Croda Multiwet BD in finished products?

A: Dosage depends on the specific formulation and desired performance, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—making it both cost-effective and efficient in reducing surfactant load.


Q5: Can Croda Multiwet BD be used alongside other surfactants or additives?

A: Yes, it exhibits good compatibility with anionic, non-ionic, and amphoteric surfactants, as well as common rheology modifiers, defoamers, and biocides—enabling flexible formulation design without significant risk of phase separation or performance loss.



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