Sika Sikaflex 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz (300ml) Cartridge - White [90891]

Sikaflex® 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz (300ml) Cartridge - WhiteSikaflex®-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive that cures on exposure to atmospheric humidity to form a durable elastomer. Meets approvals ASTM C920 types Sikaflex®-221 is tested and classified by ANSI/UL 723 “Test for Surface Burning Characteristics of Building Materials”.Uses: Sikaflex®-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are wood, metals, metal primers and paint coatings (2-c systems), ceramic materials, and plastics.Features: Highly elastic and durable Resistant to aging and weathering exposure Non-corrosive Can be sanded and overpainted NSF-registered, Proprietary Substances and Nonfood Compounds (black, grey, and white) UL listed for potable water (black, grey, and white) WARNING: This product can expose you to chemicals which are k