Products

SilFORT* PHC XH100 Hardcoat

  • Product code: PHC XH100
  • Manufacturer: Momentive
  • Package size: contact us for details
  • Shelf Life: contact us for details

SilFORT™ PHC XH100 is a thermally cured siloxane clear coat designed for enhanced adhesion to various types of polycarbonate (PC), including transparent, tinted, colored, or filled grades. It provides abrasion and chemical resistance, protecting coated surfaces from excessive wear.

Key Features & Benefits

  • Excellent optical clarity
  • High abrasion and mar resistance
  • Superior solvent and chemical resistance
  • Primerless adhesion to many polycarbonate grades
  • Single-step coating process
  • Easy-to-clean surface

General Properties

Property Unit Value
Solids Content % by weight ~25.5
Solvent Composition 1-Butanol, 2-Propanol
Flash Point (Closed Cup) °C 19.4
Density (@ 20°C) g/cm³ ~0.93
pH 5.2
Viscosity (@ 25°C) cSt 3 – 10
Gardner Color 1 – 5
Shelf Life (@ 2 – 10°C Storage) Months 9

Performance Properties on Transparent PC (Thickness ~6µm; Cure: 30 min @ 130°C)

Property Test Method Value
Taber Abrasion Resistance (500 cycles, CS10F wheels, 500g load) ASTM D1003 ≤ 2% Δ Haze
Taber Abrasion Resistance (1000 cycles, CS10F wheels, 500g load) ASTM D1003 ≤ 3% Δ Haze*
Water Immersion Resistance (65°C, 240 hrs, cross-hatch tape pull adhesion) EN ISO 2409 GT0 (No adhesion loss)

*For improved abrasion resistance (≤ 2% haze after 1000 cycles), extended curing times (≥ 60 minutes) may be required.

Application & Curing Conditions

Process Step Condition
Application Methods Flow, Spray, Dip, or Spin Coating
Flash-Off Time 2+ minutes @ 20-30°C, 30-60% RH
Curing Method Thermal (Electric or Indirect Gas-Fired Oven)
Minimum Cure Conditions 30 min @ ≥128°C (Part Surface)
Recommended Film Thickness ≥6µm

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