Soudal Stay Fresh Acetoxy Sanitary Silicone Sealant (290ml EU3 cartridge available in a choice of colours) Guaranteed to Stay Fresh Ultimate low-shrinkage, S1-class fungicide sealant with great temperature resistance for sanitary applications in high-humidity environments. The anti-mould fungicide makes it ideal for bathrooms, including baths, basins, showers, toilets, and tiles. The food-safe, solvent-free formula also makes it suitable for kitchen sinks, countertops, and splashbacks. Good UV resistance, combined with Soudal’s lifetime guarantee against discolouration from mould, ensures joints stay clean and fresh. This acetoxy silicone delivers high-strength adhesion to most surfaces. The pure, low-modulus formula remains flexible, forming a watertight seal with zero shrinkage. Its thick-bodied consistency allows easy tooling throughout the 16-minute skinning window, after which the protective outer skin guards against dirt and accidental smudging. Features & Benefits Stays Fresh - powerful OIT anti-mould biocide Lifetime guarantee - against discolouration from mould Highly flexible - low-modulus for joint movement of up to ±25% Food safe - suitable for kitchens and food preparation areas Doesn’t shrink - pure solvent-free silicone formula Easy to apply - thick consistency for easy tooling Rapidly skins - protective layer forms in just 16 minutes Watertight seal - protects sanitary joints from water ingress Did you know? Stay Fresh Acetoxy is a 100% silicone sealant that cures by reacting with moisture in the air. Unlike products that rely on solvents evaporating as they cure, the silicone itself remains in the joint, so there is no shrinkage. The cured seal stays permanently elastic, allowing it to accommodate joint movement of up to ±25% while maintaining a watertight seal.
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