Applications

Techspray Fine-L-Kote LED2 Silicone Coating – Transparent, flexible protective coating for LED displays and sensitive electronics

Item Name: Fine-L-Kote LED2 Silicone Coating (Product# 2125)
Manufacturer: Techspray (ITW Contamination Control)
Technologies: Silicone conformal coating
Color: Transparent
Cure Type: Ambient cure (72 hrs @ 25°C, 30–60% RH) or accelerated thermal cure (8 hrs @ 77°C / 170°F; 2-step 30 min @ 32°C / 90°F + 100 min @ 93°C / 199°F)
Package Size: 5 gallon liquid
Shelf Life: 12 months

1. Product Overview

Fine-L-Kote LED2 Silicone Coating is a transparent, flexible, and durable conformal coating specifically designed for LED applications. It protects circuits without altering light intensity or wavelength, while providing exceptional resistance to moisture, dust, soil, salt, fungus, and corrosive environments. The coating is hydrolytically stable and maintains physical and electrical properties under extreme temperature and humidity conditions. UL94 V-0 rated and IPC-CC-830B compliant, it supports various application methods including spray, dip, and brush, with room-temperature curing or heat acceleration.


2. Applications

  • LED displays and controls

  • Data communication devices

  • Instrumentation panels

  • Automotive and marine electronics

  • Process control systems

  • Ideal for protecting sensitive circuitry while maintaining optical clarity

3. Typical Properties

Property Before Mixing After Mixing / Applied
Physical State Liquid
Flash Point (Closed Cup) 26ºF (-3.3ºC)
Specific Gravity 0.83
VOC Carb – 11.7%, SCAQMD – 108 g/L, Federal – 11.7%
RoHS Compliant Yes
Shelf Life 12 months
Coverage 1 gal = 723 ft² (67 m²)
Tack-Free Time 30 min
Full Cure (Accelerated) 8 hrs @ 170ºF / 77ºC
Full Cure (2-Step) 30 min @ 90ºF / 32ºC, 100 min @ 199ºF / 93ºC
Full Cure (Ambient) 72 hrs @ 77ºF / 25ºC, 30-60% RH
Viscosity 66–76 cps
Solids Content 43%
Hardness 86 Shore A
UV Indicator No
Operating Temp Range -76º to 392ºF (-60º to 200ºC)
Volume Resistivity >1.4 × 10¹² Ω·cm
Dielectric Strength >720 V/mil
Dielectric Constant 3.75–3.85 (100 Hz–100 kHz)
Dissipation Factor 0.719–1.017 (100 Hz–100 kHz)
Moisture Resistance Excellent
Soil Resistance Excellent
Flexibility Excellent
Adhesion Excellent
Abrasion Resistance Fair
Solvent Resistance Good

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