Dustproofer Hardener - Hardening and Dustproofing Concrete Surfaces - Biokil Crown

Biokil Crown Dustproofer Hardener. Concentrated Silicate Solution for Hardening and Dustproofing Concrete Surfaces. Biokil Crown Dustproofer Hardener is a concentrated silicate solution designed for direct application to concrete surfaces. It effectively hardens and dustproofs the surface, making it suitable for both internal and external use. The fast-acting formula leaves a residual surface to prevent further dusting and helps prevent bloom/efflorescence.. Key Features & Benefits. Surface Hardening: Enhances the durability of concrete surfaces by hardening the top layer.. Dustproofing: Reduces dust generation from concrete floors, improving cleanliness and safety.. Efflorescence Prevention: Helps prevent the appearance of bloom/efflorescence on treated surfaces.. Fast Acting: Quickly penetrates and reacts with the concrete surface for immediate results.. Versatile Use: Suitable for new and old concrete/cement-based floors, screeds, and paving in factories, garages, and domestic dwellings.. Product Details. Packaging: Available in 5 Litre and 25 Litre containers.. Appearance: Clear solution.. Specific Gravity: Approximately 1.2 g/cm³ at 20°C.. pH: Approximately 9.. Coverage: Approximately 5 m² per litre per coat, depending on the nature of the surface.. Drying Time: 24 hours per coat.. Storage: Store at moderate temperatures in original containers. Protect from frost.. Shelf Life: Almost indefinite when stored according to manufacturer's instructions.. Application Instructions. Surface Preparation: Ensure the surface is clean, dry, and free from debris or growth. Repair any defects prior to application.. Application: Apply by brush or spray at a rate of 1 litre per 5 m². Work well into the surface.. Second Coat: Apply a second coat after 24 hours.. Final Rinse: Allow the second coat to dry for 24 hours, then hose down the entire area with cold, clean water to remove any unreacted surplus material.. Additional Coats: Further coats may be applied to exceptionally dusty floors.. Limitations. Only suitable for use on cement-containing surfaces.. Do not apply to concrete within 28 days of laying.. Will not restore badly disintegrated concrete; carry out necessary repairs prior to use.. Always wash down to remove unreacted material after use.. Health & Safety. Contains sodium silicate. Risk of serious damage to the eyes. Wear suitable eye/face protection and avoid contact with skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Keep out of reach of children.