Sika 6620 automotive underbody spray anti-rust granule adhesive structural adhesive for vehicle interior sound insulation armor paint

ikagard®-6620 is a water-based resin coating for professional automotive underbody protection. It features low odor, excellent stone-chip resistance, anti-corrosion and sound damping performance.• Water-based eco-friendly formula with low odor, safer for applicators.• Outstanding stone-chip resistance. The tough cured film protects the original chassis paint from gravel impact during driving.• Long-term rust and corrosion prevention. Dense waterproof barrier repels moisture, rain and salt spray to stop steel chassis rust and extend service life, ideal for coastal areas and regions with winter road salt.• Vibration & noise reduction. The elastic coating absorbs road vibration and lessens stone impact noise for a quieter ride.• Paintable and flexible application. The cured coating can be overcoated for repair. Spray applied for chassis, wheel arches, sills and lower valances.• Strong adhesion. Firmly bonds to bare metal and original chassis primer, resisting peeling for durable protection.ApplicationFull vehicle underbody protection, wheel arch lining, lower door edges, sills and bumper lower valances for anti-rust and stone-chip defence. Suitable for new car chassis preservation and old car chassis renovation.Note: This is spray-on underbody protective coating, not sealant or grab adhesive. Professional spray gun application is required.