Seal gaps with confidence using the Bond It WP70 Oxime Silicone in anthracite. This 310ml EU3 cartridge provides a strong, durable seal for both indoor and outdoor applications. Looking for a strong, long-lasting seal for your doors, windows, or other building projects? Bond It WP70 Oxime Silicone in Anthracite is a low modulus, neutral cure silicone that provides excellent adhesion and weatherproofing. This 310ml EU3 cartridge is perfect for both indoor and outdoor applications, sealing gaps around aluminum and uPVC doors and windows, external wood, concrete, plaster, and mortar. It cures quickly and offers superior flexibility for long-lasting results.