Genuine Mercedes 005-989-63-20 Sikaflex 221i Seam Sealant Adhesive 310ml

The Genuine Mercedes-Benz 005-989-63-20 is a high-quality Sikaflex 221i sealing adhesive designed specifically for OEM automotive applications. This multi-purpose one-component polyurethane adhesive and sealant bonds well to a wide variety of substrates including metals, metal primers, paint coatings, ceramic materials, and plastics.

Key Features:

• Used for sealing between outside rear pillar and roof, roof paneling applications, supplied in 310ml cartridge
• Suitable for making permanent elastic seals that remain flexible over time
• Excellent adhesion to metals, primers, two-component paint systems, ceramics, and plastics
• Non-corrosive, low odor formula resistant to weathering, aging, seawater, and freshwater
• Can be painted after skin formation; fully compatible with one-component PUR and two-component acrylic paints
• Cures on exposure to atmospheric humidity to form a durable elastomer

This professional-grade sealant can be processed between 5°C and 40°C (41°F and 104°F), with optimum application temperature between 15°C and 25°C (59°F and 77°F). Replaces part numbers 001-989-63-20, 001-989-64-20-1438, and 005-989-63-20-9678. This item is non-returnable due to its chemical nature.