SKU: LOC491984
UPC: 079340374669
MPN: 491984
The RTV 5920 Copper Silicone 80ml sealant from Loctite is a professional-grade, copper-infused RTV (room-temperature vulcanizing) silicone designed for demanding tactical, military, and law enforcement equipment maintenance. This product is essential for reliable, high-temperature gasket sealing in environments where equipment experiences extreme thermal cycling, vibration, and environmental exposure.
RTV 5920 Copper Silicone cures to form a durable elastomer gasket that withstands temperatures from -65°F to +500°F, making it ideal for weapon maintenance, suppressor assembly, and thermal imaging equipment where heat management is crucial. The copper additive enhances thermal conductivity and provides superior electrical grounding properties, which are critical for electronic sighting systems and integrated weapon platforms.
Tactical professionals—armorers, weapons maintenance specialists, and field technicians—rely on RTV 5920 for assembling and resealing modular components. The 80ml cartridge allows for controlled, precision application through standard caulking guns, ensuring consistent, repeatable seals without waste. This formulation also resists moisture, salt spray, and hydraulic fluids, ensuring seal integrity in field conditions and long-term storage.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.