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

TEGO Foamex 800 Defoamer

TEGO Foamex 800, a German polyether-silicone/fumed silica composite defoamer, is a white thixotropic liquid with 800-1,500 mPa·s viscosity. It remains stably active under pH 4-10 and ≤40°C, curbing 70% of foam at 0.1%-1.0% dosage. Certified by REACH, ISO 9001 and GB 30981-2020, it boosts transparency (haze ≤2%) and storage stability in waterborne wood coatings and industrial paints.

Features Of TEGO Foamex 800 Defoamer

  1. Full-Phase Compatibility: Can be added directly during grinding or letdown without pre-dilution.

  2. Safe for Sensitive Systems: No craters in low-viscosity (KU 60-80) or high-solid (≥55%) systems.

  3. Long-Lasting Suppression: Foam regeneration ≤3% in waterborne acrylics (Tg 20-30°C).

  4. Eco-Friendly: APEO/VOC-free, meeting EC 1907/2006 standards.

  5. Versatile in Processes: Works with airless spraying, roller coating and screen printing.

Typical Applications Of TEGO Foamex 800 Defoamer

  1. Waterborne Wood Coatings: Reaches ≥90 GU gloss in PU systems with ≥45% solid content.

  2. Parquet Floor Coatings: Keeps pinholes ≤0.1/m² with 5-minute flow time.

  3. Industrial Protective Paints: Endures ≥1,000h salt spray in chlorinated rubber systems.

  4. Flexo Inks: Lowers dot gain ΔE≤0.4 on BOPP at speeds ≥350 m/min.

Specifications Of TEGO Foamex 800 Defoamer

Type
Polyether-silicone/fumed silica composite emulsion
Appearance
White thixotropic liquid
Active Content
Polyether-silicone + fumed silica (20%)
Dynamic Viscosity
800-1,500 mPa·s
pH Range
4-10
Density
1.02-1.08 g/cm³
Surface Tension
24.8 dyn/cm
Thermal Stability
No activity loss (40°C/30 days)
Recommended Dosage
0.1%-1.0% (by total weight)
Shelf Life
24 months (sealed, 4-40°C)
Packaging
25kg/PE drum or 200kg/IBC tote


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