Applications

LOCTITE® STYCAST PC 62

  • Item Name: LOCTITE® STYCAST PC 62
  • Manufacturer: Henkel
  • Product category: Conformal coating
  • Technologies: Acrylic
  • Applications: Rapid drying conformal coating for circuit board protection.
  • Color: Colorless
  • Cure type: Air dry
  • Package size: Contact to Avantek for details
  • Shelf life: Contact to Avantek for details

1. Product Overview

LOCTITE® STYCAST PC 62 is a one-component acrylic conformal coating designed to provide environmental and mechanical protection for printed circuit boards (PCBs). It is fluorescent under UV light, toluene-free, and offers superior toughness and abrasion resistance. The coating is easily removable with a soldering iron or suitable solvent.

  • Technology: Acrylic
  • Appearance: Colorless
  • Solids Content: 23% to 26%
  • Curing Method: Air drying
  • Operating Temperature: -40 to 125°C
  • Application: Conformal coating for printed circuit boards

2. Applications

  • Designed for PCB protection
  • Provides environmental and mechanical durability
  • Used in electronics assembly

3. Typical Properties

Before Drying

Property Value
Viscosity (Brookfield – LV, 25°C) 52 cps (Spindle 1, 30 rpm)
Specific Gravity @ 25°C 0.82
Tack-Free Time @ 25°C / 35% RH (120µm wet film) <5 minutes

Drying Performance

Drying Method Time & Temperature
Recommended Drying 24 hours @ 25°C
Alternative Drying 45 minutes @ 75°C

After Drying

Property Value
Film Thickness (Adjustable) 25 to 100 µm
Electrical Properties
Property Value
Insulation Resistance (50µm film, 25°C / 50% RH) >2.3 × 10¹⁴ Ω
Volume Resistivity 1.04 × 10¹⁶ Ω·cm
Dielectric Strength 2,000 V/mil
Dielectric Constant @ 100 kHz 2.29
Dissipation Factor @ 100 kHz 0.12
Environmental Resistance
Property Test Standard Result
Fungus Resistance ASTM G21 Non-nutrient

4. Directions for Use

  1. Surface Preparation: Clean substrates before application to ensure good adhesion and prevent corrosion.
  2. Application Method: Use non-atomized selective film coater for best results.
  3. Drying: Allow 30 minutes at 25°C before oven drying or additional coating.
  4. Removal: Wet or dry coating can be removed using Xylene or Methylethylketone (MEK).

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