Dow Corning 785+ Sanitary Sealant

Mould-Resistant Silicone Sealant for Hygienic Sanitary Applications. Dow Corning 785+ is a one-part, neutral-cure silicone sealant developed for sanitary applications where long-lasting mould resistance and strong adhesion are essential. Enhanced with powerful fungicide, it provides durable sealing in high-humidity environments such as bathrooms, kitchens, and shower areas. It bonds well to glass, ceramics, porcelain, enamel, glazed tiles, and many plastics without the need for a primer in most cases.. Key Features & Benefits. Advanced Mould Resistance: Contains a fungicide that protects against black mould growth for long-term hygiene.. Neutral-Cure Silicone: Low odour and non-corrosive, safe for use on most building materials.. Excellent Adhesion: Bonds to glass, ceramics, enamel, glazed tiles, aluminium, and many plastics.. Durable & Flexible: Accommodates joint movement up to ±20% for lasting performance.. Water & UV Resistant: Ideal for constantly wet areas and exposure to sunlight.. Application Areas. Sealing around baths, showers, and sinks. Kitchen worktops and splashbacks. Sanitary joints between tiles. General hygienic sealing in food prep areas. Technical Specifications. Form: One-part silicone elastomer. Skin-Over Time: ~30 minutes at 23°C / 50% RH. Joint Movement Capability: ±20%. Application Temperature: +5°C to +40°C. Service Temperature: -50°C to +150°C. Shore A Hardness: ~20. Colours: White, clear, and other sanitary shades. Installation Tips. Ensure surfaces are clean, dry, and free from dust, grease, and old sealant.. Apply a continuous bead and tool within skin-over time for best finish and adhesion.. Not suitable for use on bitumen, natural stone, or substrates that bleed oils or solvents.