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

Wacker PULPSIL 955 S Silicone Surfactant

Wacker PULPSIL 955 S is a silicone-based surfactant from Wacker’s PULPSIL series designed for foam control and surface wetting in pulp & paper processing. It offers rapid defoaming action even under high shear and alkaline conditions while enhancing drainage and sheet uniformity without affecting paper strength or brightness.
  • wacker pulpsil 955 s silicone surfactant_302e0916
  • wacker pulpsil 955 s silicone surfactant_302e0916

Features Of Wacker PULPSIL 955 S Silicone Surfactant

  1. Highly effective silicone-based surfactant for superior substrate wetting and leveling in aqueous systems.

  2. Excellent compatibility with anionic, nonionic, and cationic formulations without compromising stability.

  3. Low foam profile, minimizing operational issues in high-shear industrial processes such as paper coating and pigment dispersion.

  4. Thermally stable up to 120 °C, supporting use in elevated-temperature processing environments.

  5. Designed for low migration and durable surface performance in demanding end-use applications.

Typical Applications Of Wacker PULPSIL 955 S Silicone Surfactant

  1. Paper and board coatings for improved runnability, gloss, and ink receptivity.

  2. Aqueous pigment dispersions in architectural and industrial paints.

  3. Textile auxiliaries for softening, leveling, and hydrophobicity enhancement.

  4. Agrochemical formulations requiring uniform spray coverage and leaf adhesion.

  5. Construction additives for cementitious coatings and tile adhesives.

Specifications Of Wacker PULPSIL 955 S Silicone Surfactant

Chemical TypeSilicone-polyether copolymer
Product FormAqueous emulsion (non-ionic)
AppearanceOpaque white to slightly yellow liquid
pH (1% aqueous solution, 20 °C)6.0 – 7.5
Active Content30.0 ± 1.0 wt-%
Viscosity (25 °C, Brookfield RV, spindle #3, 20 rpm)500 – 1,500 mPa·s
Freeze-Thaw StabilityStable after 3 cycles (–10 °C for 16 h / 23 °C for 8 h)
Storage Stability (23 °C, sealed container)≥ 12 months


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