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

Evonik TEGO Rad Dispers 735W Defoamer

Evonik TEGO Rad Dispers 735W Defoamer is a water-based, silicone-free defoaming agent designed for radical polymerization processes. It ensures efficient foam control in acrylic and vinyl monomer systems while maintaining excellent compatibility and stability. Ideal for high-solids emulsions and low-VOC formulations, it delivers rapid knockdown and lasting suppression without affecting product clarity or performance.
  • evonik tego rad dispers 735w defoamer_07b5c036
  • evonik tego rad dispers 735w defoamer_07b5c036

Features Of Evonik TEGO Rad Dispers 735W Defoamer

  1. Highly effective silicone-free defoamer specifically designed for waterborne radiation-curable coatings and inks.

  2. Excellent compatibility with acrylate-based formulations without compromising gloss or surface appearance.

  3. Low dosage efficiency — effective at typical use levels of 0.1–0.5 wt% in final formulations.

  4. Stable under UV and EB curing conditions, with no adverse impact on polymerization kinetics or film properties.

  5. Readily dispersible in aqueous and polar organic media; supports easy incorporation during pigment dispersion or let-down stages.

Typical Applications Of Evonik TEGO Rad Dispers 735W Defoamer

  1. Waterborne UV-curable wood coatings for furniture and flooring.

  2. EB-curable packaging inks for flexible films and paperboard.

  3. Radiation-curable overprint varnishes (OPVs) in graphic arts applications.

  4. UV-curable industrial coatings for plastic substrates and metal pretreatments.

Specifications Of Evonik TEGO Rad Dispers 735W Defoamer

Chemical TypePolyether-modified copolymer (silicone-free)
Product FormLiquid
AppearanceClear to slightly opalescent, low-viscosity liquid
Primary ApplicationsDefoaming in waterborne UV/EB-curable coatings, inks, and varnishes
Key FeaturesSilicone-free, low-foaming, high compatibility, easy dispersion
BenefitsMaintains substrate wetting, avoids craters/holidays, supports high-gloss finishes
pH (1% aqueous solution)6.0–8.0
Storage StabilityAt least 12 months in original sealed container at 5–30 °C


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