• Item Name: Fine-L-Kote SR Silicone Conformal Coating (Product# 2102)
• Manufacturer: Techspray (ITW Contamination Control)
• Technologies: Silicone conformal coating
• Color: Not specified
• Cure Type: Ambient cure (72 hrs) or accelerated thermal cure (30 min @ 32°C, 45 min @ 93°C)
• Package Size: 12 oz aerosol, 1 pint liquid, 1 gallon liquid
• Shelf Life: 1 year
Fine-L-Kote SR Silicone Conformal Coating is a versatile, high-performance silicone coating designed to protect electronic assemblies from harsh environmental conditions. It provides excellent thermal, chemical, moisture, and vibration resistance, while maintaining flexibility and dielectric strength. UL-recognized and IPC-CC-830B qualified, it supports various application methods including aerosol, dip, selective spray, and manual brushing. The coating cures to a tack-free finish within 1 hour and reaches full cure in 72 hours, offering easy rework and removal options.
Protection of printed circuit boards and electronic components in extreme temperatures and humid environments.
Use in industrial, automotive, and aerospace electronics for vibration, moisture, and chemical resistance.
Suitable for high-volume production via dip or selective spray, and for small production runs or repairs using aerosol or manual brushing.
Rework and repair applications, compatible with original coatings.
| Property | Before Mixing | After Mixing / Applied |
|---|---|---|
| Physical State | Liquid | – |
| Odor | Characteristic | – |
| Percent Volatile | 86% | – |
| Boiling Point | 134ºF (79ºC) | – |
| Flashpoint | 10ºF (-12.2ºC) | – |
| Solubility in Water | Insoluble | – |
| Specific Gravity | 0.830 | – |
| VOC | 481 g/L | Aerosol 46%, Bulk 58% |
| Shelf Life | 1 year | – |
| Coverage | – | Aerosol 16 ft²/can, 1 gal 224 ft² |
| Tack-Free Time | – | 60 min |
| Accelerated Cure | – | 30 min @ 32°C, 45 min @ 93°C |
| Ambient Cure | – | 72 hrs |
| Thermal Resistance | – | Excellent (-65° to 200°C) |
| Dielectric Strength | – | 1 kV/mil |
| Dielectric Constant | – | 2.66 |
| Insulation Resistance | – | 6.87 × 10¹⁵ Ω |
| Coefficient of Thermal Expansion | – | 2.1 × 10⁻⁴ in/in/°C |
| UV Indicator | – | Yes |
| IPC-CC-830 Qualified | – | Yes |
| UL 94 Rating | – | V0 |
| Viscosity | 4–10 cps (Bulk) | – |
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