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Mapei Mapesil AC Silicone Sealant – Bulk Buy – Mould Resistant Silicone 310mL

Mapei

Mapei Mapesil AC Silicone Sealant

Pure acetic silicone sealant, highly elastic and resistant to mould. Available in all the colours in the Mapei grouts collection.

  • Solvent free
  • Strong and durable
  • High elasticity
  • Mould resistant (BioBlock® technology)
  • Maximum guarantee
  • Perfect adhesion
  • Smooth and elastic
  • High thermal and chemical resistance
  • Excellent durability
  • Wide range of colours

You can add this product to your order, however there must be a pallet/half/three-quarter-pallet in the cart to checkout.

Need a custom deal? 0333 344 2655 or info@buythepallet.co.uk

£8.64 +VAT

£8.64 +VAT
£8.64 +VAT
£8.64 +VAT
£8.64 +VAT
£8.64 +VAT
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Mapei Mapesil AC Silicone Sealant – Mould Resistant Silicone

Consumption:

Consumption of Mapei Mapesil AC varies depending on the width of the joints. Some examples of consumption for end joints and fillet joint /s are shown in the following chart.

Primer FD:

0.2kg bottle of Primer FD will cover approximately 100m of both sides of a 10 mm deep movement joint, this figure may decrease dependent on the porosity of the tile applied to.

Mapei Mapesil AC Silicone Sealant consumption table

Joint size
in mm (a x b)
Linear metres per cartridge
5x512
10x56
10×103
15x102
20x101.5
25×101.25
30x150.7
40x200.4

Fillet Joint

Joint size in mm (I x I2)Linear metres per cartridge
5x525
10x106
10x153
10x201.5

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 Mapei coloured grout ranges.
  • Sealing expansion joints in swimming pools.
  • Assembling compositions of glass tiles and artistic stained glass windows.
  • Sealing glazing, door, and window frames portholes, windows, and glass.
  • Sealing air ducts, and water pipes.
  • Sealing tanks, service pipes, and boilers.
  • Sealing of joints subject to high chemical and thermal stress.
  • Sealing materials of different thermal exposure coefficients.

Advantages

  • wide colour range
  • high elasticity
  • mildew and mould resistant (BioBlock® technology)
  • solvent-free
  • long lasting performances
  • high adhesion to substrates
  • smooth and matt finish
  • high thermal and chemical resistance

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 easy to extrude both horizontally and vertically. It crosslinks following exposure to atmospheric humidity at ambient temperatures.

Seals remain unchanged even after many years exposure to climatic extremes, industrial pollution, sudden temperature changes and immersion in water. Mapesil AC forms an elastic barrier with the following properties;

  • excellent durability;
  • high elasticity;
  • excellent bonding to glass, ceramic and anodised aluminium;
  • mildew resistant;
  • waterproof and permeable to vapour;
  • resistant to chemical agents;
  • flexible down to -40°C and resistant to temperatures at +180°C; easily workable;
  • in compliance with ISO 11600 norm, it is classified as F-25-LM.
  • in compliance with EN 15651-1, EN 15651-2, EN 15651-3 and CE-marking
  • in compliance with numerous international standards.

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. In such cases, please contact Mapei Technical Service to identify the most suitable solution.
  • For sealing surfaces sensitive to acids such as limestone, 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 E-PU 21 SL) sealant.
  • Where Mapesil AC is to be applied in areas of continuous immersion, i.e. inside a swimming pool tank, the joints must be primed using Primer FD

Application Procedure

Preparing and calculating joints size

All the surfaces to receive the sealant must be dry, solid, and free from dust and loose particles, oils, grease, wax, old paint,

In order that the seal can carry out its function, provision must be made for it to elongate and compress freely.

During application, it is, therefore, necessary that:

  • it adheres only to the side of the walls of the joint and not to the base of the joint; the joint is sized so that the estimated maximum extension is not greater than 25% of the initial width (calculated at +20°C);
  • when the width of the joint is 10 mm, the thickness must be equal to the width; for widths between 11 and 20 mm the thickness must always be equal to 10 mm; for greater widths the thickness must be equal to half the width.

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 a few 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.

The surface of Mapesil AC must be finished off with a tool moistened with soapy water before a superficial film has formed (e.g. UltraCare Smooth Silicon).

Curing

When exposed to air and humidity, Mapesil AC cures and becomes elastic. The speed at which Mapesil AC cures depends only slightly on temperature, but is fundamentally linked to humidity in the atmosphere.

The graph A shows the curing at +23°C and 50% humidity in the atmosphere.

Cleaning

Traces of uncured Mapesil AC may be removed with common solvents (ethyl acetate, petrol, toluene); after complete curing, the silicone rubber may only be removed mechanically. Avoid contact between Mapesil AC not yet polymerised and any type of solvent, to avoid delays or inhibition of the final hardening process.

Mapesil AC:

Consumption of Mapesil AC varies depending on the width of the joints. Some examples of consumption for end joints and fillet joint /s are shown in the following chart.

Primer FD:

0.2kg bottle of Primer FD will cover approximately 100m of both sides of a 10 mm deep movement joint, this figure may decrease dependent on the porosity of the tile applied to.

Packaging

Mapesil AC: 310 ml cartridges.

Primer FD: 0.9 kg and 0.2 kg bottles.

Mapei Mapesil AC Silicone Sealant product identity

Туре:thixotropic paste
Colour:transparent + 40 colours
Density (g/cm3):1.03 (transparent colour)
Dry solids content (%):100
EMICODE:EC1 Plus - very low emission

Mapei Mapesil AC Silicone Sealant application identity

Application temperature range:from +5°C to +50°C
Extrusion speed from a 3.5 mm nozzle at a pressure of 0.5
N/mm2 (g/minute):
120
Skin time (minutes):10
Shrinkage during vulcanisation (%):3.5
Curing time:4 in 1 day - 10 in 7 days

Mapei Mapesil AC Silicone Sealant final performances

EN 15651-1: sealant for façade joints in interior and exterior, even with cold temperature:F-EXT-INT-CC
Class:25 LM
EN 15651-2: sealant for glazing, even with cold temperature:G-CC
Class:G 25 LM
EN 15651-3: sealant for sanitary fittings:S
Class:X S 1
Tensile strength - according to ISO 37 (N/mm2):1.6
Elongation at breaking point - according to ISO 37 (%):800
Tear strength (ISO 34-1, Die C) (N/mm):4
Shore-A-Hardness (ISO 868):20
Density at +25°C (ISO 1183-1 A) (g/cm3):1.02
Modulus of elongation measured according to ISO 8339
METHOD A (N/mm2):
- at 25% elongation:
- at 50% elongation:
- at 100% elongation:


0.20
0.27
0.35
Maximum movement allowed (%):25
Resistance to water:excellent
Resistance to ageing:excellent
Resistance to atmospheric agents:excellent
Resistance to chemical agents, acids and dilute alkali:good
Resistance to soap and detergents:excellent
Resistance to solvents:limited
Resistance to temperature:from -40°C to +180°C

Mapei Mapesil AC Silicone video

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