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MOLYKOTE® 3099 HVIC Compound

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MOLYKOTE® 3099 HVIC Compound is a silicone-based NLGI Grade 2–3 lubricating compound with arc-resistant filler and silica thickener for long-term electrical insulator protection and reliability.

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Product Overview

MOLYKOTE® 3099 HVIC (high-voltage insulator coating) Compound is a high-performance, greaselike compound engineered for long-term protection of electrical insulators and contacts.  It exhibits excellent resistance to water and UV light exposure, where conventional silicone products may degrade and fail. MOLYKOTE® 3099 HVIC Compound is engineered to resist arcing and significantly outperforms traditional compound chemistries when exposed to surface arcs.

Applications

MOLYKOTE® 3099 HVIC Compound provides exceptional long-term electrical resistance and protection in a wide range of electrical insulator and connector applications.

Prior to applying MOLYKOTE® 3099 Compound, it is advised to clean the insulator surface, and all traces of organics or cleaning materials must be removed for best results. It is recommended to apply MOLYKOTE® 3099 HVIC Compound in a layer between 1/16” and 1/8” thick and can be applied via airless sprayer, cloth pad, bristle brush, or by hand.

Features & Benefits

Easy to apply without messy stringing
Great surface adhesion
Resistant to water filming or washout
Great flashover resistance
Increased safety with arc reduction
Non-tracking performance
Provides extended operational life, even with prolonged exposure, to the following:
High-voltage corona stress
Ultraviolet light
Particulate contamination
Erosion from water

Problems Solved

Excessive electrical arcing or flashover
Inadequate electrical compound protection
Compound loss from water wash-off or solubilization

Product Specifications

Product type: Synthetic silicone lubricant, greaselike compound
NLGI Grade:2–3
Thickener: Silica
Color: Gray opaque
Specific gravity at 25°C: 1.3
Dielectric constant (ASTM D150):
at 100 Hz: 3.88
at 1,000 Hz: 3.86

Dissipation factor (ASTM D150):
at 100 Hz: 0.0148
at 1,000 Hz: 0.0066

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