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

TEGO Foamex 10 Defoamer

TEGO Foamex 10, a German polyether-silicone nanocomposite, is a milky homogeneous liquid with 200-600 mPa·s viscosity. It remains stably active under pH 4-11 and ≤90°C, curbing 95% of foam at 0.1%-0.4% dosage. Certified by REACH, ISO 9001 and GB 18582-2020, it boosts leveling (brush mark index ≤0.5 grade) and scrub resistance (≥15,000 cycles) in water-based architectural coatings and paper coating systems.

Features Of TEGO Foamex 10 Defoamer

  1. Nano-Scale Defoaming: 0.3 μm hybrid particles clear bubbles in 4 seconds (per ASTM D892-VI).

  2. Wide pH Suitability: Stable in acidic (pH 4) to alkaline (pH 11) systems, with ≥24-month stability.

  3. Low-Temperature Effectiveness: Retains 100% activity at 5°C (viscosity change ≤5%).

  4. APEO-Free Composition: Meets EU ECHA Annex XVII and Blue Angel standards (APEO ≤10 ppm).

  5. Cost-Saving: Reduces usage by 50%, saving ¥180-250/ton.

Typical Applications Of TEGO Foamex 10 Defoamer

  1. Exterior Emulsion Paints: Attains QUV 2,000h ΔE≤1.2 in styrene-acrylic coatings with ≥50% solid content.

  2. Paper Barrier Coatings: Limits moisture transmission to ≤5 g/m²/day on PE/PLA at ≥400 m/min.

  3. Textile Printing Pastes: Removes microfoams in reactive dye systems with ≥5,000 mPa·s (color fastness ≥4 grade).

  4. Waterborne Wood Coatings: Enhances sandability (≤0.6 mark grade) in UV primers (≥250 mJ/cm²).

Specifications Of TEGO Foamex 10 Defoamer

Type
Polyether-silicone nanocomposite emulsion
Appearance
Milky homogeneous liquid
Active Content
Polyether-silicone + nano-enhancer (20%)
Dynamic Viscosity
200-600 mPa·s
pH Range
4-11
Density
1.05-1.12 g/cm³
Surface Tension
22.5 dyn/cm
Freeze-Thaw Stability
No stratification (5 cycles, -10°C~40°C)
Addition Stage
Grinding or letdown phase
Shelf Life
24 months (sealed, 5-40°C)
Packaging
25kg/PE drum or 200kg/IBC tote


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