This silicone compound features excellent dielectric properties and is highly water-repellent. It contains inert silica filler and selected polydimethyl silicone fluids, making it resistant to oxidation and nontoxic. Available in various consistencies, it is suitable for electrical insulation applications.
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Overview
Dow Corning silicone compounds are greaselike materials containing a inert silica filler in combination with selected polydimethyl silicone fluids. They have excellent dielectric properties; are highhly water repellent, resistant to oxidation and essentially nontoxic. Dimethyl silicone compounds come in three bsasic consistencies: Light - DC7 Release Compound Medium - DC4 Electrical Insulating Compound Heavy - DC111 Valve Lubricant
Features & Benefits
Excellent dielectric properties: Prevents shorts and ensures reliable electrical performance
Highly water repellent: Creates a moisture barrier for protection in wet or outdoor environments
Wide service temperature range: Performs reliably in diverse environmental conditions
Resistant to oxidation: Long-lasting stability against air and chemical exposure
Non-melting, non-curing: Maintains consistent paste form without hardening or flowing
Material compatibility: Safe for most plastics, rubbers, and elastomers
Essentially nontoxic: Safer to handle compared to some industrial compounds
Specifications
Part Number: DC4-30Z
Container Size: 3 oz
Form: Grease-like Paste
Color: Translucent White/Light Gray
Odor/Scent: Odorless
Consistency: Medium (NLGI Grade 2-3 equivalent)
Composition: Inert silica filler combined with selected polydimethyl silicone fluids
Specific Gravity: 1.0 g/cm³
Dielectric Strength: >500 Volts/mil
Shelf Life: 60 months (5 years)
Technical Information
Applications: Sealing and insulating electrical connections, terminals, power assemblies; moisture-proof sealing for ignition systems, spark plug boots, disconnect junctions; lubricating O-rings and rubber gaskets; marine corrosion prevention
Military Specifications: Often meets or exceeds MIL-S-8660C requirements
Application Method: Can be applied by hand, brush, or automated dispensing; surfaces should be clean and dry for best results
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