Name: Kemira DF-A-693 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Kemira DF-A-693 Defoamer

Highly effective silicone-based defoamer for rapid foam collapse in demanding aqueous systems.
Excellent long-term stability and resistance to re-foaming under high shear and elevated temperature conditions.
Low dosage efficiency—effective at concentrations as low as 0.01–0.1 wt% depending on process conditions.
Compatible with a broad range of anionic, nonionic, and cationic surfactants and process chemicals.
Non-hazardous formulation with no VOC restrictions; compliant with major industrial safety and handling guidelines.

Typical Applications Of Kemira DF-A-693 Defoamer

Paper and board manufacturing—especially in coating, stock preparation, and white water systems.
Water-based coatings and architectural paints during production and application stages.
Industrial cleaning formulations including CIP (clean-in-place) and alkaline degreasers.
Textile wet processing—dyeing, scouring, and finishing baths where persistent foam interferes with uniform treatment.
Adhesives and sealants manufacturing involving high-solids aqueous dispersions.

Chemical Type	Silicone emulsion (polydimethylsiloxane-based)
Product Form	White to off-white stable liquid emulsion
Appearance	Opaque, milky liquid with slight opalescence
pH (1% aqueous dispersion)	6.0–7.5
Specific Gravity (20 °C)	0.98–1.02 g/cm³
Viscosity (25 °C, Brookfield LVT, Spindle #3, 6 rpm)	500–1500 mPa·s
Storage Stability	Stable for ≥12 months at 5–30 °C in sealed container
Primary Applications	Defoaming in papermaking, coatings, cleaning, textile, and adhesive processes

Get in Touch with ERICW

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Contact With Us:

E-mail: wangxingqiang@ericwchem.com
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15921782326
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China