Polyether defoamer for sale high efficiency anti-foaming agent
Polyether defoamers are primarily synthesized from propylene glycol/glycerin, propylene oxide, ethylene oxide, etc., via potassium hydroxide-catalyzed reactions to form a highly effective defoaming solution. Characterized by environmental friendliness and high efficiency, this series is water-dilutable. Specifically developed for the cement concrete admixture industry—particularly for polycarboxylate superplasticizers—this defoamer is a novel high-carbon alcohol polyether ester formulation.
This high-temperature-resistant polyether defoamer is made from propylene glycol, glycerin, propylene oxide, and ethylene oxide, using potassium hydroxide as a catalyst. It delivers an excellent, long-lasting foam-inhibiting effect.
Eco-friendly and high-efficiency, this non-silicone antifoam agent can be mixed directly with water. Specially developed for concrete admixture, it offers excellent compatibility and perfectly complements polycarboxylate superplasticizers, serving as a premium modified higher-alcohol polyether ester defoamer for cement slurry and construction projects.
Usage Instructions
◆ Pre-use Preparation: Stir well before use, as sedimentation or stratification
May occur after long-term storage.
◆ Dosage: Add directly to the polycarboxylate superplasticizer at a
recommended dosage of 1–3‰ (based on the weight of the
superplasticizer). Mix thoroughly to form a homogeneous water-reducing
agent mixture.
◆ Application Tip: Stir the polycarboxylate superplasticizer for 20–50 seconds before use to ensure uniform dispersion.
Defoaming Agent Technical Specifications
Property
Value
Appearance
Milky white liquid
Active Content
60%
Viscosity (No. 2 rotor)
800–2000 mPa·s
pH Value
6–7
Ionic Type
Non-ionic
Solubility
Water-soluble
Polyether defoamer (for concrete) — where it’s used
◆ Concrete admixtures
Mixes well with polycarboxylate, naphthalene, lignosulfonate, and other water-reducers to get rid of foam made
during production, mixing, and pumping.
◆ Cement paste/mortars
Useful for cement paste, plaster, masonry mortar, and self-leveling screeds to reduce air bubbles and make the mix denser.
◆ Precast products
Used in making precast concrete items like panels, pile sections, wall panels, and floor tiles.
◆ On-site construction
Works in ready-mix plants, cast-in-place concrete, grouts, grout injectables, and waterproof slurries.
◆ Related chemical systems: Can be used as a defoamer/foam suppressor in water-based building additives, paints, and other waterborne building emulsions.
Defoaming Agent Storage & Handling
Store in cool, dry conditions away from direct sunlight.
Agitate gently before each use to maintain consistency.
Avoid mixing with strong acids, bases, or incompatible chemical additives.
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