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

Wacker PULPSIL 960 S Functional Silicone Fluid

Wacker PULPSIL 960 S is a functional silicone fluid from Wacker’s PULPSIL series, specially formulated for papermaking and pulp processing. It delivers superior defoaming, wetting, and surface modification performance with excellent thermal stability and compatibility in aqueous systems. Ideal for improving drainage, retention, and sheet quality in high-speed paper machines.
  • wacker pulpsil 960 s functional silicone fluid_5b2c3c14
  • wacker pulpsil 960 s functional silicone fluid_5b2c3c14

Features Of Wacker PULPSIL 960 S Functional Silicone Fluid

  1. Highly effective defoamer specifically engineered for alkaline pulp and paper processing environments.

  2. Excellent thermal and shear stability under high-temperature refining and bleaching conditions.

  3. Low volatility and minimal residue formation, ensuring consistent performance and reduced system fouling.

  4. Good compatibility with common pulp additives including retention aids and wet-strength resins.

  5. Ready-to-use liquid formulation requiring no pre-dilution or emulsification prior to dosing.

Typical Applications Of Wacker PULPSIL 960 S Functional Silicone Fluid

  1. Defoaming in kraft pulping digesters and brownstock washers.

  2. Control of foam during oxygen delignification and peroxide bleaching stages.

  3. Anti-foam treatment in mechanical pulp refining and TMP production lines.

  4. Stabilization of foam-sensitive stock approaches in paper machine headboxes and white water systems.

Specifications Of Wacker PULPSIL 960 S Functional Silicone Fluid

Chemical TypeFunctional silicone fluid (polydimethylsiloxane-based with reactive siloxane modifiers)
Product FormClear to slightly hazy, low-viscosity liquid
AppearancePale yellow to straw-colored liquid
Primary ApplicationsDefoaming in alkaline pulp processing and bleaching
Key FeaturesAlkaline-stable, non-ionic, shear-resistant
Recommended Storage Temperature5–30 °C (41–86 °F)
Shelf Life (Unopened)24 months from date of manufacture
Regulatory ComplianceCompliant with EU REACH; suitable for indirect food-contact applications per FDA 21 CFR §175.300 (when used as directed)


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