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

Allnex PC 1844 Defoamer

Allnex PC 1844 Defoamer is a high-performance silicone-free, water-based defoamer from the Allnex PC series. Designed for aqueous coatings and industrial cleaning formulations, it delivers rapid foam suppression and long-term antifoam stability without affecting gloss or substrate wetting. Compatible with acrylics, alkyds, and latex systems, it ensures easy dispersion and low odor—ideal for eco-conscious manufacturing.
  • allnex pc 1844 defoamer_e145c12c
  • allnex pc 1844 defoamer_e145c12c

Features Of Allnex PC 1844 Defoamer

  1. Highly effective silicone-free defoamer for water-based systems.

  2. Excellent compatibility with acrylic, vinyl acetate, and styrene-butadiene emulsions.

  3. Low dosage requirement with rapid knock-down and lasting foam control.

  4. Non-yellowing and does not impair film clarity or gloss in final coatings.

  5. Stable under high-shear mixing and prolonged storage conditions.

Typical Applications Of Allnex PC 1844 Defoamer

  1. Architectural and industrial waterborne paints.

  2. Water-based adhesives and sealants.

  3. Textile and leather finishing formulations.

  4. Construction chemicals including cementitious coatings and tile adhesives.

  5. Printing inks for flexible packaging and paper applications.

Specifications Of Allnex PC 1844 Defoamer

Chemical TypeMineral oil-based defoamer with hydrophobic silica
Product FormOpaque white liquid
AppearanceHomogeneous, slightly viscous suspension
pH (1% aqueous dispersion)6.0 – 8.0
Density at 20°C0.92 – 0.96 g/cm³
Viscosity (Brookfield LV, Spindle #3, 20 rpm, 25°C)1,200 – 2,500 mPa·s
Solubility / MiscibilityInsoluble in water; dispersible with mild agitation
Recommended Use Level0.1 – 0.5 wt% on total formulation


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