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

Dow POLYOX WSR 308 Dispersant

Dow POLYOX WSR 308 Dispersant is a water-soluble, nonionic polyethylene oxide polymer from Dow’s POLYOX™ WSR series. It functions as a high-performance rheology modifier and stabilizer, enhancing particle dispersion, suspension stability, and viscosity control in aqueous systems like coatings, agrochemicals, and personal care formulations.
  • dow polyox wsr 308 dispersant_38a2ccf8
  • dow polyox wsr 308 dispersant_38a2ccf8

Features Of Dow POLYOX WSR 308 Dispersant

  1. Water-soluble, non-ionic polyethylene oxide (PEO) polymer offering excellent particle stabilization in aqueous systems.

  2. Provides superior rheology modification and suspension stability for high-solids formulations.

  3. Low foaming profile enables compatibility with high-shear mixing and spray application processes.

  4. Enhances pigment dispersion efficiency and reduces agglomeration in waterborne coatings and inks.

  5. Non-toxic, biodegradable backbone supports sustainable formulation design and regulatory compliance (e.g., EPA Safer Choice eligible).

Typical Applications Of Dow POLYOX WSR 308 Dispersant

  1. Waterborne architectural and industrial coatings.

  2. Aqueous pigment dispersions for inkjet inks and flexographic inks.

  3. Agrochemical suspensions (SC, SE, and OD formulations).

  4. Construction additives for cementitious grouts and tile adhesives.

  5. Personal care suspensions including exfoliating scrubs and toothpaste matrices.

Specifications Of Dow POLYOX WSR 308 Dispersant

Chemical TypePolyethylene oxide (PEO)
Product FormFree-flowing white granules
AppearanceWhite to off-white granular solid
Molecular Weight (Typical)~4,000,000 g/mol
SolubilityFully soluble in cold and warm water; insoluble in organic solvents
pH (1% aqueous solution)6.0 – 7.5
Moisture Content (ASTM D1751)≤ 5.0 wt%
Primary ApplicationsDispersant, rheology modifier, suspension stabilizer


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