Fast hardening self-levelling smoothing compound for thicknesses from 1 to 5 mm. Where to use: - Interior levelling of new or existing substrates to make them ready to receive resilient or textile flooring in areas where a good resistance to loads and traffic in offices and public areas is required. - Levelling existing flooring in terrazzo tiles, ceramic tiles, natural and magnesium stone. Technical data: Consistency: fine powder. Colour: grey. Pot life: 20-30 minutes. Setting time: 50-70 minutes. Set to light foot traffic: 3-4 hours. Waiting time before installation: 24 hours. Application temperature range:from +5°C to +35°C. Mixing ratio: 25 parts water for 100 parts by weight of Novoplan 21. Storage: 12 months. Application: flat trowel or double rubber squeegee. Consumption 1.6 kg/m2 per mm of thickness. Packaging 20 kg bags.