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

Addivant WSP Antioxidant

Addivant WSP Antioxidant is a high-performance liquid phenolic antioxidant from Addivant’s WSP series, designed for polymer stabilization in demanding processing conditions. It offers excellent thermal and oxidative resistance, low volatility, and superior compatibility with polyolefins, elastomers, and engineering plastics—ensuring long-term performance and color stability during extrusion and molding.
  • addivant wsp antioxidant_70d7db65
  • addivant wsp antioxidant_70d7db65

Features Of Addivant WSP Antioxidant

  1. High-performance phenolic antioxidant offering superior long-term thermal stability.

  2. Water-soluble powder formulation enabling easy dispersion in aqueous polymer systems.

  3. Low volatility and excellent hydrolytic stability under processing conditions.

  4. Compatible with a broad range of water-based polymers, including acrylics, vinyl acetate copolymers, and styrene-butadiene latexes.

  5. Meets global regulatory requirements for indirect food contact applications (FDA 21 CFR §175.300 compliant).

Typical Applications Of Addivant WSP Antioxidant

  1. Water-based architectural and industrial coatings.

  2. Latex adhesives and sealants.

  3. Textile and paper coatings.

  4. Emulsion polymerization stabilization.

  5. Waterborne automotive clearcoats and primers.

Specifications Of Addivant WSP Antioxidant

Chemical TypeSynergistic blend of hindered phenols and phosphite stabilizers
Product FormFree-flowing white to off-white water-soluble powder
AppearanceUniform granular powder, no visible lumps or discoloration
SolubilityFreely soluble in water; forms clear to slightly hazy aqueous solutions
pH (1% aqueous solution)5.5 – 7.0
Heavy Metals (as Pb)< 10 ppm
Moisture Content≤ 1.5 wt%
Primary ApplicationsAntioxidant stabilization in water-based polymer dispersions and coatings


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