3M 1/10 Gal Tan Ultrapro Autobody Sealant (8300)

The 3M 1/10 Gal Tan Ultrapro Autobody Sealant (8300) is a heavy-bodied, solvent-based seam sealer designed for professional automotive body repair. It offers a fast-curing, flexible seal that prevents cracking and water intrusion. Ideal for various exterior body panel applications, it provides low shrinkage for consistent, reliable results. The sealant comes in a standard cartridge for easy application with a caulking gun.KEY FEATURES AND BENEFITS: Fast curing: Skins quickly, dries rapidly, and is paintable in 45 minutes, speeding up repair times. Flexible seal: Remains flexible after curing, preventing cracks caused by vibrations and temperature changes. Low shrinkage: Minimizes volume loss during drying, ensuring a strong, consistent seal. Excellent adhesion: Bonds well to properly prepared primer, paint, metal, glass, and aluminum. Easy application: Standard cartridge fits most caulking guns for convenient use.SPECIFICATIONS: Type: Solvent-based, synthetic rubber Consistency: Buttery paste Solids Content: Approximately 64% Flash Point: 40F (Closed Cup) Service Temperature: -20 to 180F Work Time: 5-10 minutes Dry Time: 45 minutes (paintable) Cure Time: 1/8 inch per 24 hours Color: Tan Size: 1/10 gallon cartridgeHOW TO USE: Surface Preparation: Clean the surfaces to be sealed, removing any dirt, grease, rust, or old sealant. For best adhesion, prime bare metal. Cartridge Loading: Insert the sealant cartridge into a standard caulking gun. Application: Apply a continuous bead of sealant to the seam or joint. Tooling (Optional): If desired, smooth the sealant with a tooling tool or finger within the 5-10 minute work time. Drying: Allow the sealant to dry for at least 45 minutes before painting. Full cure takes 24 hours per 1/8 inch of sealant thickness.BENEFITS OF USING 3M 1/10 GAL TAN ULTRAPRO AUTOBODY SEALANT (8300): Faster repairs: The quick-curing formula reduces waiting time, allowing for more efficient workflow. Long-lasting protection: The flexible, low-shrinkage seal prevents cracks and water intrusion, extending the life of repairs. Professional results: The sealant’s excellent adhesion and smooth application provide a professional finish. Ease of use: The standard cartridge format makes application simple and convenient.FEATURES: Heavy-bodied formula: Ideal for gap filling. Resistant to cracking: Withstands vibration. Suitable for exterior sealing: Can be used in non-passenger compartment areas. Tan color: Blends with many auto body finishes. High solids content: Ensures minimal shrinkage.