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The 3M 7100003045 is a clear hybrid sealant formulated for creating flexible, transparent seals in industrial applications. Sold as a 310 mL cartridge, it delivers strong adhesion and outstanding UV resistance, making it suitable for both interior and exterior use where long-term clarity is required. The hybrid chemistry provides flexibility after cure, allowing the sealant to absorb movement and vibration without cracking or losing bond. It is typically applied by HVAC technicians, plumbers, electricians, and general industrial maintenance professionals who need a cosmetic-grade seal that stays clear over time.
This sealant is used across a broad range of industrial and commercial applications where a transparent, flexible seal is needed. Common uses include sealing around panels, enclosures, fixtures, and penetrations where appearance matters and UV exposure is a factor. The 310 mL cartridge format is compatible with standard caulk guns, making it straightforward to dispense in the field or on the shop floor.
Designed as a general-purpose hybrid sealant for industrial applications requiring a clear, flexible, UV-resistant seal on a variety of substrates.
Surface preparation is critical before application — clean and dry all surfaces thoroughly to ensure proper adhesion. Apply using a standard caulk gun and tool the bead immediately after dispensing for best results. Allow adequate cure time before exposing the joint to moisture or mechanical stress. Follow applicable industry guidelines and the manufacturer's technical data sheet for substrate-specific recommendations.
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