Castle® Silicone Dielectric Compound™ is formulated to lubricate and protect certain electrical connections. Heat and high voltage create problems when it’s time to replace spark plugs and wires. Boots tend to soften, and light bulbs dry out and stick, sometimes breaking off. Castle® Silicone Dielectric Compound™ helps prevent this from happening.
1. Shake well.
Store below 120°F.
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U.S. customers, please visit the Castle U.S. Website,
or call 1-800-876-0222.