Mapei Silicone Mapesil AC

$12.95

COVERAGE
Mapesil AC:
Coverage of Mapesil AC varies depending
on the width of the joints. Some examples of
coverage for end joints and triangular joints are
shown in the chart.

 

RECOMMENDATIONS
• Do not use Mapesil AC for joints in exterior
between ceramic tiles and light-coloured
natural stone because dirt could accumulate
by the joints. Use Mapesil LM.
• For sealing surfaces sensitive to acids such
as lime stone, use a neutral silicone sealant
(e.g. Mapesil LM).
• The use of Mapesil AC is not recommended
on highly plasticised material or on bituminous
surfaces because of the release of substances
that reduce bonding and penetrate into the
sealant, altering the colour and resistance.
• The resistance of Mapesil AC to chemical
agents is generally excellent; however, due
to the numerous products and working
conditions to which Mapesil AC can be
applied, it is always advisable to do a sample
test in cases of doubt.
• Do not use Mapesil AC to seal aquariums.
• For sealing floor joints subject to heavy traffic,
use a polyurethane (e.g. Mapeflex PU 45 FT)
or epoxy-polyurethane (e.g. Mapeflex PU20)
sealant.

Mapei Silicone Mapesil AC

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Mapei Silicone Mapesil AC  Solvent-free, acetic-cross-linking mildew-resistant silicone sealant, available in 26 colour and transparent.
Applications:
Interior, exterior, ceramic tile floor and wall sealing of expansion joints of ± 25% expansion of the initial size in swimming pools, bathrooms and showers.
Mapesil AC can also be used for forming a perfectly elastic gasket between different elements in constructions, mechanical engineering, ship-building, automobile manufacturing, etc.
N.B. Mapesil AC adheres perfectly to glass, ceramics and anodized aluminium.
Technical data:
Formation of surface film: 10 minutes.
Shrinkage during cross-linking: 3.5%.
Speed of cross-linking: 4 mm a day; 10 mm in 7 days.
Ultimate elongation: 800%.
Movements under working conditions: ± 25%.
Shore-A-Hardness: 20.
Colours: 34 and transparent.
Application: sealant gun.
Storage: 24 months.
Consumption
depends on the size of the joint.
Packaging
310 ml cartridges.

Technical data sheet

WHERE TO USE
Mapesil AC is an acetic-crosslinking silicone sealant
suitable for sealing glass, ceramic and anodised aluminium.
After first having used a bonding enhancer, Primer FD can
also be used on concrete, wood, metal, painted surfaces,
plastic and rubber.
Mapesil AC is used for:
• Sealing expansion joints of ± 25% expansion of the initial
size.
• Forming a perfectly elastic gasket between different
elements in building, mechanical engineering, shipbuilding, automobile, manufacturing, etc.
Some application examples
• Sealing joints in wall and floor coverings of ceramic and
cement, provided they are not subject to heavy abrasion.
• Sealing joints between sinks or sanitary ware and ceramic
tiles in kitchens, bathrooms and showers with colours
coordinated with the grouts.
• Sealing expansion joints in swimming pools.
• Assembling compositions of glass tiles and artistic
stained glass windows.
• Sealing glazing of door and window frames.
• Sealing air ducts, water pipes.
• Sealing portholes, windows, glazed frames.
• Sealing tanks, service pipes and boilers.
• Sealing materials of different thermal exposure coefficient.
• Adhesive and sealant for general use.
TECHNICAL CHARACTERISTICS
Mapesil AC is a one-component, acetic crosslinking,
solvent-free silicone sealant, available coloured or
transparent. It is a thixotropic paste which is easily
trowellable both horizontally and vertically. It crosslinks
following exposure to atmospheric humidity at ambient
temperatures, and forms an elastic product with following
properties:
PACKAGING
Mapesil AC: 310 ml cartridges.
Primer FD:
0.9 kg and 0.2 kg bottles.
COLOURS
Mapesil AC is available in 34 colours from the
“MAPEI COLOURED GROUTS” range plus
transparent.
STORAGE
Mapesil AC can be stored 24 months in a
dry cool place in original cartridges.
Primer FD, when stored in a cool and dry place
(at a temperature not higher than +25°C) has a
storage life of 6 months.
SAFETY INSTRUCTIONS FOR
PREPARATION AND APPLICATION
Mapesil AC is not considered dangerous
according to current norms regarding the
classification of mixtures. During use, wear
protective gloves and goggles and take the
usual precautions for handling chemicals.
For further and complete information about the
safe use of our product please refer to the latest
version of our Material Safety Data Sheet.
To control the depth of the joint and to prevent
Mapesil AC from adhering to the base, the
bottom of the joint should be filled with a sized
Mapefoam, a polyethylene cord.
Application of Primer FD
Where the use of Primer FD is necessary, it
must be applied with a small brush onto the
appropriate areas of the joints and left to dry
for several minutes to allow the solvent to
evaporate. Then apply Mapesil AC.
Application of Mapesil AC
Mapesil AC is packed in cartridges of 310 ml;
to use, cut the cartridge above the end of the
thread and screw on the nozzle, which should be
cut at 45° to produce a hole corresponding to the
size of the joint. Insert the cartridge into the gun
and extrude the sealant