3M 600 mL Heavy-Bodied Seam Sealer (58308) is a high-performance, two-part epoxy designed for sealing joints and seams on automotive surfaces. KEY FEATURES AND BENEFITS: Seals Both Vertical and Horizontal Seams: Effectively seals a variety of automotive seams. Dual Syringe Cartridge: Ensures accurate mixing ratio and eliminates mess. Heavy-Bodied Formula: Minimizes sagging and dripping for easier application and precise shaping. Fast Curing: Reduces downtime with a fast setup and cure time. Durable Bead: Cures to a strong, tough, and flexible bead for long-lasting performance. SPECIFICATIONS: Adhesive Type: Two-Part Epoxy Applications: Sealing automotive joints and seams Consistency: Paste Container Size: 600 ml (20.29 fl oz) Container Type: Cartridge Handling Time: 10-30 minutes Paint Time: 15 minutes Shelf Life: 24 months from date of manufacture Work Time: 6 minutes HOW TO USE: Prepare the Surface: Ensure the surface is clean, dry, and free of contaminants. Prepare the Cartridge: Cut the tip of the mixing nozzle to the desired bead size. Apply the Sealant: Apply a continuous bead of sealant to the prepared surface. Tool the Sealant: Use a suitable tool to shape and smooth the sealant bead to match OEM appearance. Allow to Cure: Allow the sealant to cure according to the specified time. BENEFITS OF USING 3M 600 ML HEAVY-BODIED SEAM SEALER (58308): Improved Efficiency: Fast curing time reduces downtime and increases productivity. Enhanced Durability: Provides long-lasting protection against water, dust, and other contaminants. Professional Results: Achieves a professional, OEM-quality finish. Easy Application: Self-mixing cartridge and heavy-bodied formula simplify application. FEATURES: Automotive-Specific Formula: Specifically formulated for automotive applications. Strong and Durable Bond: Provides excellent adhesion to various automotive surfaces. Efficient Application: Designed for use with pneumatic applicators. OEM Seam Reproduction: Compatible with 3M™ OEM Seam Sealer Tips for recreating various OEM seam shapes.









