Two-part epoxy resin mortars
Uses
For use in exceptionally wet conditions and for underwater
applications.
Advantages
Possesses outstanding strength and adhesive powers
Resistant to physical damage
Excellent chemical resistance
Can be used underwater
Description
Nitomortar UA is recommended for fixing slip bricks and for
reinstating structures exposed to heavy battering from the
sea, such as sea walls and concrete jetties and for repairing
submerged steelwork and concrete. Mixed mortar may be
transported underwater in polythene bags.
Properties
Form: Two-part compounds —
Base: firm putty
Hardener: soft putty
Solids content: 100%
Fresh wet density: 2000 kg/m³
Colour: Base: off-white
Hardener: black
Mixed colour: dark grey
Pot life: 30 to 45 minutes at 20°C
Water immersion: Nitomortar UA may be applied
and cured underwater.
Cure time: Initial cure: 24 hours at 20°C
Final cure: 7 days at 20°C
After 48 hours at 20°C
Nitomortar UA will have achieved
between 60% to 70% of its final
compressive strength
Compressive strength After 1 week at 20°C —
(BS 6319, Pt 2): 65 N/mm²
Flexural strength After 1 week at 20°C —
(BS 6319, Pt 3): 35 N/mm²
Tensile strength After 1 week at 20°C —
(BS 6319, Pt 7): 12 N/mm²
Thermal expansion: Coefficient of linear expansion:
–25°C to +25°C —
3.0 x 10–5 per°C
Application instructions
Mixing Nitomortar UA
The 1.5 litre pack of Nitomortar UA is suitable for hand mixing
(wearing protective gloves) on a flat, clean surface. The mixing
surface should be wetted and the whole of the base material
spread out approximately 10 to 20 mm thick. All of the hardener
should be emptied out onto the middle of the base and the
base folded over the hardener and kneaded until the resultant
mortar is of an even consistency and uniform colour.
Underwater application
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