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

Wacker SD670 Powder Defoamer

Wacker SD670 Powder Defoamer is a high-performance silicone-based antifoam agent from Wacker’s SD series, designed for dry-blend applications in construction mortars, adhesives and industrial coatings. It offers rapid defoaming, excellent storage stability and easy dispersion without pre-wetting. Ideal for powder formulations requiring consistent foam control and low-dust handling.
  • wacker sd670 powder defoamer_1ace7216
  • wacker sd670 powder defoamer_1ace7216

Features Of Wacker SD670 Powder Defoamer

  1. Highly effective silicone-based powder defoamer with rapid foam suppression in aqueous systems.

  2. Excellent storage stability and long shelf life under ambient dry conditions.

  3. Easy dispersion without pre-wetting or solvent assistance—designed for direct addition to dry blends.

  4. Low dosage requirement, delivering efficient defoaming performance at concentrations as low as 0.1–0.5 wt%.

  5. Non-staining and compatible with a broad range of water-based formulations including latexes and emulsions.

Typical Applications Of Wacker SD670 Powder Defoamer

  1. Architectural coatings and interior/exterior wall paints.

  2. Water-based adhesives and bonding agents.

  3. Textile printing pastes and pigment dispersions.

  4. Construction chemicals such as cementitious tile adhesives and grouts.

  5. Industrial cleaning formulations and detergent concentrates.

Specifications Of Wacker SD670 Powder Defoamer

Chemical TypeSilicone-polyether copolymer with hydrophobic silica carrier
Product FormFree-flowing white to off-white powder
AppearanceFine, homogeneous powder
Primary ApplicationsDefoaming in water-based industrial and coating systems
Key FeaturesFast-acting, non-aqueous, dust-reduced formulation
BenefitsImproved batch consistency, reduced rework, and enhanced process efficiency
Storage ConditionsStore in original sealed container at 5–30 °C, protect from moisture
Shelf Life24 months from date of manufacture when stored properly


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