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 which 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 basis :
Sulphur resistant cement, selected aggregates and additives.

Preservation :
12 months from date of manufacture

Storage conditions :
In original, well-sealed, undamaged containers. In a cool, dry place
cool and frost-free.

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)

Shrinkage/expansion resistance Limited shrinkage :
2,6 N/mm² (MPa) EN 12617-4

Restricted 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 for 25 kg of powder.

Consumption :
Depends on the roughness of the substrate and the thickness of the applied layer. As an approximation, ~19 kg of powder per cm thickness and per m2 is used.
One bag makes about 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

Lifetime of the mixture :
~ 30 minutes (at 20ºC)