Sika MonoTop®-412 NFG

Appearance and colour

:

Grey powder

Composition

:

Ordinary Portland Cement | Corrosion inhibitor | Selected aggregates | Polymer modified

Material

:

Concrete

Layer thickness

:

min. 6 mm / max. 50 mm

Maximum grain size

:

D.max: 2.0 mm

Packaging

:

20 kg bags

Ambient air temperature

:

+5 °C minimum; +30 °C maximum

Capillary absorption

:

2.0 x 10-4 mm/√ s

Chloride ion diffusion resistance

:

7.55 E-12 (m2/s)

Compressive strength

:

1 day ~ 15 MPa | 7 days ~ 40 MPa | 28 days ~ 50 MPa

Density

:

Fresh mortar density ~2.10 kg/l

Electrical resistivity

:

7 days ~ 12,000 Ω.cm | 28 days ~ 33,000 Ω.cm | 90 days ~ 51,000 Ω.cm

Final set time

:

~ 4 hours

Initial set time

:

~ 1 hour

Mixing ratio

:

2.7 to 3.0 litres of water for 20 kg powder

Modulus of elasticity in compression

:

~ 35 GPa @ 56 Days

Pot Life

:

~40 minutes at +20°C

Restrained shrinkage / expansion

:

≥ 2.0 MPa

Shelf life

:

12 months

Shrinkage

:

~600 µm/m at 23°C / 50% relative humidity at 28 days

Soluble chloride ion content

:

≤ 0.05%

Splitting tensile strength

:

~ 6.0 MPa at 28 days

Storage conditions

:

Store properly in undamaged original sealed packaging, in dry cool conditions.

Substrate temperature

:

+5 °C minimum; +30 °C maximum

Tensile adhesion strength

:

> 2.0 MPa

Tensile strength in flexure

:

1 day ~ 3.0 MPa | 7 days ~ 7.0 MPa | 28 days ~ 8.0 MPa

Yield

:

20 kg of powder yields approximately 11.0 litres of mortar

Certification

:

Potable Water approved to AS4020:2018 | RTA Rapid Mortar Bar Test RTA T363 - Alkali Reactive Particles <0.15% (Non-Reactive) | Qld Roads (TMR) Section 5. Registered and Conforming Products. Part 5.34 Repair Mortars