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ID- FEB. 2017
Nitomortar GP, BC & UA constructive solutions
(Formerly known as Expocrete)
Two-part epoxy resin mortars
Uses Properties
General Purpose Applications Setting time: : 30 to 45 minutes at
o
20 C
Nitomortar GP is a versatile low slump material used for
Cure time
general repair work. Typical applications include patching o
Initial cure: : 24 hrs. at 20 C
spalled or honeycombed vertical surfaces, protecting o
Final cure: : 7 days at 20 C
exposed reinforcement, reinstating damaged arrises and
Water immersion: : Nitomortar UA may be
repairing damaged precast concrete building units.
applied underwater.
Bedding Applications Nitomortar GP and
BC must be fully
Nitomortar BC is designed for bedding applications and
cured prior to
can be trowelled to a fine accurate surface. Applications
immersion.
include bedding concrete kerbs to concrete, bedding
bridge bearing pads and mounting heavy plant and Compressive strength: After 1 week at 25-27 C
equipment.
Nitomortar GP : 65 N/mm²
Underwater Application
Tolerance: +/-10%
Nitomortar UA is formulated for use in exceptionally wet
conditions and underwater applications. Nitomortar UA is Nitomortar BC : 65 N/mm²
recommended for reinstating structures exposed to the Tolerance: +/-10%
heavy battery of the sea (e.g.: sea walls) for repairing
submerged steelwork or concrete (particularly exposed
reinforcement) and for fixing slip bricks, tiles and tiles Nitomortar UA : 70 N/mm
pointings.
Tolerance: +/-10%
Advantages
High compressive strengths
Fast cure Shrinkage on cure : None
No shrinkage on curing
Excellent resistance to chemical physical attack
Description
Nitomortar mortars are two pack epoxy resin mortars.
Each part is a different colour to provide visual Application Instruction
confirmation of adequate mixing on site.
Surface preparation
Nitomortar cures chemically and therefore does not
Thoroughly clean surfaces to remove all traces of surface
require the presence of water, solvent or oxygen.
laitance, loose material, marine growth rust, scale dust,
Nitomortar products have high comprehensive strengths,
debris and other contamination. Degrease steel work it
cure with negligible shrinkage and are resistant to
0 necessary.
chemical and physical attack. After 48 hours at 20 C
Nitomortar compounds will have achieved between 60 to Where tiles or brick are being fixed, the concrete surface
70% of their final compressive strength. should be scrabbled, wire brushed and washed with clean
water. Bond faces of bricks should be scrubbed. Shake to
remove excess water.
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Nitomortar GP, BC & UA
ID- FEB. 2017
may be applied up to 5mm thick without side support. For
Priming
thicker beds use polyethylene covered timber shuttering.
Fosroc Primer 13 should be applied to all clean and dry or Kerbs and other units should be aligned and levelled
slightly damp surfaces to assist bonding when using o
within 25 minutes of mixing Nitomortar BC (@20 C).
Nitomortar GP and BC. No primer is required with
Spacers (shims/packers) will be necessary with heavy
Nitomortar UA. To mix primer, pour the contents of the
units or thick beds. Nitomortar GP or UA can be used for
Part B tin into the Part A tin and thoroughly. Brush apply
bedding where a stiffer mortar is required.
primer right after mixing, ensuring that it is worked well
into the surface. Before starting application of Nitomortar Underwater application
ensure the primer has become tacky (generally after about
o
Mixed Nitomortar UA should be carried in plastic bags to
30 minutes @ 20 C). Primed surfaces left for over 3 hours
work area and contact with water avoided until the point of
must be re-primed before Nitomortar is applied. Both
application. Mixed mortar should be applied within 25
Expocrete and Fosroc Primer 13 should not be applied if o
o
minutes of mixing (@20 C)
the surface temperature is below 5 C.
Apply small quantities, approximately 5mm thick by
Mixing
pressing firmly into position and ensuring that all water is
1.5 litre packs expelled from between the repair surfaces. Uncured
material should be protected from scouring and
Wet the mixing surface and spread all Part A material out.
displacement by moving water until cured.
Empty all of Part B (black) into the middle of A.
Immediately fold Part A over Part B and knead until mortar Fixing of slip bricks, tiles and other items
is a uniform consistency and colour.
Rub Nitomortar UA into the wetted bond surfaces. Apply a
6 litre packs 25mm thick sausage of Nitobond UA onto the stem being
fixed. Firmly press onto concrete with a twisting action to
These should not be mixed by hand. A Pennine or
ensure complete material bed of the required thickness
Creteangle mixer should be used. Empty all of Part B
(usually 6 to 12mm). Thicker beds should be supported for
(black) into the mixer drum and. With the drum rotating, all
12 to 48 hours, to prevent slipping.
of Part A should be added in slowly, each part should be
allowed to be mixed in before the next is added. After all Cleaning
has been added, mix the combined material for at least 5
Nitomortar should be removed using water or a detergent
minutes. Alternatively both components may be mixed
solution. Cured mortar must be heated with a gas torch
together using a slow speed drill fitted with a Fosroc Jiffy
and removed with a wire brush. Use Fosroc Joint Cleaner
Paddle.
to remove uncured primer from brushes.
Application
Estimating
Overhead, vertical and horizontal repair work
Supply
In dry and slightly damp conditions apply Nitomortar GP to Nitomortar GP, BC and UA: 1.5 & 6 litre packs
a primed surface. In horizontal locations where a more Fosroc Primer 13 : 200 ml tins
fluid material is suitable, Nitomortar BC should be used. In
wet locations use Nitomortar UA on an un-primed surface. Coverage
2
Overhead and vertical locations apply Nitomortar GP Nitomortar : 1 ltr/m per mm thick
between 1 -3 mm thick in one application. Use a damp or Fosroc Primer 13 : 200 ml/m
2
heated trowel to obtain a smooth surface.
Storage
Horizontal bedding
Storage life is 12 months when kept in original containers,
For optimum adhesion Fosroc Primer 13X should be in cool conditions not exceeding 25 C.
o
applied, before applying Nitomortar BC. Nitomortar BC
constructive solutions Page 2
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Nitomortar GP, BC & UA
ID- FEB. 2017
The use of barrier creams provides additional skin
Precautions
protection. In case of contact with skin, remove immediately
Health and Safety with resin removing cream followed by washing with soap
Nitomortar products and Fosroc Primer 13Xshould not come and water. Do not use solvent. In case of contact with eyes,
in contact with the skin and eyes, or be swallowed. Ensure rinse immediately with plenty of clean water and seek
adequate ventilation and avoid inhalation of vapours. Some medical advice. If swallowed, seek medical attention
people are sensitive to resins, hardeners and solvents. immediately - do not induce vomiting.
Wear suitable protective clothing, gloves and eye protection.
If working in confined areas, suitable respiratory protective
.
equipment must be used.
Important note
Fosroc products are guaranteed against defective materials and manufacture and are sold subject to its standard Conditions for the
Supply of Goods and Services, copies of which may be obtained on request. Whilst Fosroc endeavours to ensure that any advice,
recommendation, specification of information it may give is accurate and correct, it cannot, because it has no direct or continuous control
PT.FOSROC over where or how its products are applied, accept any liability either directly or indirectly arising from the use of its products, whether or
not in accordance with any advice, specification, recommendation of information given by it.
Indonesia
Jl.Akasia II Blok A8 No.1
Delta Silicon Industrial Park telephone: fax: email:
Lippo Cikarang +62 21 897 2104-06 +62 21 897 2107 Indonesia@Fosroc.com
Bekasi 17550
Indonesia Page 3
www.fosroc.com
