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SilFORT* UHVC3000K Hardcoat

  • Product code: SilFORT* UHVC3000K
  • Manufacturer: Momentive
  • Package size: contact us for details
  • Shelf Life: contact us for details

SilFORT™ UVHC3000K is a UV-curable, silica-modified hard coat designed for optimal weathering, chemical, and abrasion protection on polycarbonate and other plastic substrates (PMMA, SAN, etc.). It is specially formulated for vehicle headlamps and other optical parts where high durability and clarity are required.

This single-component lacquer uses a mild glycol-ether solvent, making it compatible with chemically sensitive plastics.

Key Features & Benefits

  • Transparent, high-clarity finish
  • Superior weatherability and UV resistance
  • High chemical and abrasion resistance
  • Strong adhesion to polycarbonate and other plastics
  • Single-solvent formulation (easy recycling)
  • Multiple application methods (spray, dip, roller, flow)

General Properties

Property Unit Value
Physical Form Liquid
Appearance Clear, slightly yellow
Solids Content % 45
Dynamic Viscosity (@ 25°C) mPa·s 9
Density g/cm³ 1.025
Shelf Life Days 360

Performance Properties (Applied on Polycarbonate, PMMA, SAN)

Property Test Method Value
Abrasion Resistance (500 cycles, CS10F wheels) ASTM D1044/1003 Δ haze < 10%
Water Soak Adhesion (10 days @ 65°C) EN ISO 2409 Gt 0 (No adhesion loss)
Color Stability (ΔE after 2000 hrs exposure) ASTM G155 0.3
Yellowness Index after 2000 hrs ASTM E313 < 0.5
Δ Haze after 2000 hrs ASTM D1003 0.6%
Grey Scale Rating after 2000 hrs ISO 105A02 >4

Application & Curing Conditions

Process Step Condition
Application Methods Dip, Spray, Roller, Flow Coating
Flash-Off Time 2 – 5 minutes (Evaporation of solvent)
Pre-Heating Temperature 65 – 95°C (1.5 – 3 min with IR heating)
Curing Method UV radiation (Mercury or Fusion F600 “H” lamp)
Minimum UV Energy Required 4.0 – 5.0 J/cm² (UV-A region)
Peak UV Intensity 0.3 W/cm² (Measured with EIT® Power Puck®)
Minimum Coating Thickness 8.0 µm

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