High-Performance Civil Air Defense Door Seal Strip
Premium EPDM rubber foam sponge for superior airtight, blast-proof, and watertight sealing in civil defense engineering. Durable triple-layer construction resists extreme pressure, moisture, and corrosion for long-term reliability. Precision-molded edges ensure seamless integration with door frames for maximum protection. Ideal for emergency shelters, underground facilities, and industrial safety doors requiring MIL-spec security. High-density foam compresses evenly to eliminate gaps while maintaining easy door operation. Cost-effective bulk pricing for government contractors and large-scale infrastructure projects. OEM customization available for specialized dimensions and material upgrades.