H.B. Fuller D18-221 is a black, high-performance, butyl-based pressure-sensitive tape. It is available in round and flat extruded profiles. The tape exhibits excellent adhesion to most substrates and offers exceptional heat and cold resistance. Its primary use is for sealing gaps and holes in various applications, including transportation weatherstrips, joint and seam sealants, and die-cut patch sealants. It is categorized as a sealant tape and patch, specifically a pressure-sensitive adhesive tape.

Product Type: Pressure Sensitive Adhesive, Tape

Application Area: Die/Chip Attach, Joints, Seam Sealing, Weatherstripping

Features: Cold Resistance, Excellent Performance, Excellent Substrate Adhesion, Good Gap Filling Capabilities, Heat Resistance

    Enhanced TDS

    Identification & Functionality

    Features & Benefits

    Applications & Uses

    Packaging & Availability

    Regional Availability
    • North America