Quick-setting mortar SIKA Monotop 412R grey / silver 25 kg

Sika MonoTop -412 Res is a 1-component, fibre-reinforced, low shrinkage, rapid structural repair mortar that meets the requirements of class R4. APPLICATIONS :

• Suitable for concrete repair work
• Repair of spalling and deterioration of concrete in buildings, bridges, infrastructure and superstructures.
• Suitable for conservation or restoration of passivation.
• Augmenting the coating with additional mortar and replacing contaminated or carbonated concrete.

BENEFITS :

• Excellent handling.
• Suitable for manual and spray application.
• Can be applied in layers up to 50% thick. mm.
• Class R4 of the UNE-EN 1504-3 standard.
• For structural repairs.
• Quick setting
• Sulphate resistant.
• Very low shrinkage
• No bonding bridge is required, even when applied by hand.
• Low chloride permeability.
• A1 fire classification.

PACKAGING :

• 25 kg bags

COLOUR :

• Grey powder

Chemical base: Sulphur-resistant cement, aggregates and selected additives. Shelf life: 12 months from date of manufacture Storage conditions: In original, well-sealed, undamaged containers. In a cool, dry place, protected from frost. Density: Density of fresh mortar: ~ 2.07 kg/l (at +20°C) Size: maximum grain size 0-2 mm Ionic content: Soluble chloride <0.013% (EN 1015) Compressive strength: 1 day ~ 20.7 N/mm2 (MPa) 7 days ~ 39.7 N/mm2 (MPa) 28 days ~ 47. 8 N/mm2 (MPa) Modulus of elasticity in compression: ~20.3 GPa (EN 13412) Flexural strength: 1 day ~ 4.4 N/mm2 (MPa) 7 days ~ 4.4 N/mm2 (MPa) 28 days ~ 7.5 N/mm2 (MPa) Tensile adhesion: 2.1 N/mm2 (MPa) (EN 1542) Resistance to shrinkage / expansion Limited shrinkage: 2.6 N/mm² (MPa) EN 12617-4 Limited expansion: 2.5 N/mm² (MPa) EN 12617-4 Coefficient of thermal expansion: 10.5 x 10-6 m/m°C (EN 1770) Capillary absorption: 0.38 kg-m-2-h-0.5 (EN 13057) Resistance to carbonation: Pass dk ≤ concrete control Type: MC(0.45) dk=4.9 mm (EN 13295) Mixing ratio: ~4.25 to 4.45 litres of water per 25 kg of powder. Consumption: Depends on the roughness of the substrate and the thickness of the layer applied.

As an approximation, ~19 kg of powder per cm thickness and per m2 is used. One bag yields approximately 13.9 litres of mortar. Layer thickness: min. 6 mm / max.50 mm (Vertical) Ambient temperature : Min. +5°C / max. +30ºC Substrate temperature: Min. +5°C / max. +30ºC Mixture life: ~ 30 minutes (at 20ºC)