Applications

Momentive SilFORT TAC2000 Anti-fog Coating

  • Item No: SilFORT™ TAC2000
  • Manufacturer: Momentive
  • Color: Pale yellow (Base A1), Colorless (Hardener B1)
  • Cure Type: Thermal curing (80 – 120°C for 20 – 60 min)
  • Package Size:
    • SilFORT TAC2000 Base A1: 16 kg Pail
    • AF-Hardener B1: 4 kg Pail
  • Shelf Life: 12 months (stored at 5 – 43°C)

SilFORT™ TAC2000 is a two-component, thermally cured anti-fog coating designed for transparent polycarbonate (PC) and polymethyl-methacrylate (PMMA) substrates. It prevents water droplet formation, ensuring long-lasting anti-fog performance while maintaining high optical clarity. The coating meets automotive specifications for headlamps and autonomous driving assistance systems (ADAS).

Key Features & Benefits

✅ Long-lasting Anti-Fog Effect – Prevents water droplet formation on surfaces.
✅ Two-Component System – Includes TAC2000 Base A1 & AF-Hardener B1.
✅ Compatible with PC & PMMA – Ensures strong adhesion and transparency.
✅ Multiple Application Methods – Can be applied via spray, dip, or flow coating.
✅ High Durability – Passes humidity, condensation, and high-heat tests.
✅ Thermally Cured – Ensures a robust and long-lasting protective layer.

Property TAC2000 Base A1 AF-Hardener B1 After Mixing (Base:Hardener 80:20)
Physical Form Liquid Liquid Liquid
Color Pale yellow Colorless Clear, pale yellow
Solids Content (%) 16 21 17
Dynamic Viscosity (@ 25°C, mPa·s) ~18 ~4 ~14
Density (@ 25°C, g/cm³) ~0.87 ~0.96 ~0.89
Shelf Life (Days) 365 365 5 (Pot life at <30°C)
Storage Temperature (°C) 5 – 43 5 – 43 Below 30°C

Performance & Durability Tests

Test Type Conditions Result
High Humidity Test 60°C @ 95% RH, 240 hours Pass
Climate Cycle Test -20°C to 85°C @ 85% RH, 120 hours Pass
Condensation Test 40°C @ 100% RH, 240 hours Pass
High Heat Test (PC Substrates) 240 hours @ 120°C Pass

Application & Processing Recommendations

Parameter Value
Application Methods Spray, Flow, Dip
Reducing Solvents Iso-Butanol, 2-Butanol, 1-Methoxy-2-Propanol
Flash Off Conditions 20 – 30°C, >5 minutes
Curing Conditions 80 – 120°C for 20 – 60 minutes
Recommended Coating Thickness 2 – 9 µm

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