Applications

Fine-L-Kote™ SRV Silicone Coating – Clear, moisture- and abrasion-resistant conformal coating for PCBs and electronics.

Item Name: Fine-L-Kote™ SRV Silicone Coating
Manufacturer: Techspray® / ITW Contamination Control BV
Technologies: One-part, moisture/humidity-cured silicone conformal coating with low VOC content
Color: Translucent (clear)
Cure Type: Ambient room temperature; optional mild heat acceleration
Package Size: 1 pint / 0.47L, 1 gallon / 3.8L, 5 gallon / 18.9L, 54 gallon / 204L (Standard & High Viscosity options)
Shelf Life: 12 months from production date

1. Product Overview

Fine-L-Kote™ SRV is a one-part, clear silicone conformal coating that provides moisture- and abrasion-resistant protection after curing. It cures at ambient conditions using a moisture-based mechanism, forming a resilient, elastoplastic surface with excellent flexibility. This coating offers low VOC content, UV inspection capability, and UL 94 V-0 flammability rating. It protects electronic components against moisture, salt, fungus, corrosive vapors, and thermal/mechanical stresses while enhancing insulation, soil repellency, and component lifespan. Heat can optionally accelerate curing without the need for ovens.


2. Applications

  • Data communications equipment

  • Instrumentation

  • Automotive manufacturing

  • Marine manufacturing

  • Process control systems

3. Typical Properties

Before Curing / Ready-to-Use

Property Standard Viscosity High Viscosity (950)
Physical State One-part liquid One-part liquid
Color Translucent (clear) Translucent (clear)
Viscosity (cP) 82 ± 20 950 ± 100
Specific Gravity @68°F 0.85 0.95
Solids / NVC (%) 45 ± 5 85 ± 5
VOC (CARB) 25.2% 4.7%
VOC (SCAQMD) 415 g/L 152 g/L
VOC (Federal) 13.2% 3.8%
Flash Point 10°F (-12.2°C) 10°F (-12.2°C)
UV Indicator Yes Yes
RoHS Compliant Yes Yes
Shelf Life 12 months 12 months
Coverage (1 mil dry film) 723 ft²/gal 1285 ft²/gal

After Curing / Fully Cured Film

Property Value
Tack-Free Time (Ambient) 30 min
Full Cure (Ambient) 24 hrs @ 77°F / 25°C, 30–60% RH
Operating Temp Range -76°F to 392°F / -60°C to 200°C
Hardness (Shore A) 90
Hardness (Shore D) 88
Dielectric Strength >720 V/mil (>28 kV/mm)
Volume Resistivity >1.4 × 10¹² ohm-cm
Dielectric Constant 3.75 (100 Hz), 3.85 (100 kHz)
Dissipation Factor 1.017 (100 Hz), 0.719 (100 kHz)
Moisture Resistance Excellent
Soil Resistance Excellent
Flexibility Excellent
Abrasion Resistance Fair
Solvent Resistance Good
Adhesion Excellent
Removability / Repairability Excellent

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