Tensile Adhesion strength of the Keraflex Maxi S1 | Keraflex Maxi S1 Application Video ?

TECHNICAL CHARACTERISTICS
Keraflex Maxi S1 is a grey or white powder composed of cement and fine-graded sands. It contains a high quantity of
synthetic resins and special additives according to a formulation developed in MAPEI’s Research & Development
KERAFLEX MAXI S1
High performance, deformable Cementitious adhesive with extended open time and no vertical slip, for
ceramic and vitrified tiles and stone material, also suitable for the installation of large-size vitrified tiles
and natural stone
laboratories.
A mortar with the following features is obtained when Keraflex Maxi S1 is mixed with water:
· low viscosity, therefore easily workable;
· highly thixotropic: Keraflex Maxi S1 can be applied on a vertical surface without slumping or letting even heavy and large
tiles slip. Tiles can be installed from the top towards the bottom without using spacer pegs;
· good capability to accomodate the different deformation of the covering from the substrate.
· perfect adherence to all materials normally used in building;
· hardens, even when very thickly applied, without decreasing in thickness, until acquiring a considerable resistance.
· particularly extended open and adjustability time, facilitating installation.
RECOMMENDATIONS
Do not use Keraflex Maxi S1 in the following cases:
· on wood and wooden conglomerates;
· on metal, rubber, PVC and linoleum surfaces;
· with marble and natural stone slabs subject to efflorescence or stains;
· with natural or artificial stone material slabs subject to movement due to moisture;
· on precast concrete or subject to strong movement;
· when surfaces need to be ready for traffic in a short time.
APPLICATION PROCEDURE
Preparation of the substrate
All substrates receiving Keraflex Maxi S1 must be cured, mechanically resistant, solid, clean, free of cracks, loose material,
oil, grease, wax and dust and sufficiently dry.
Cementitious substrates should not be subject to shrinkage after the installation of ceramic tiles, therefore during spring
and summer renders must cure at least one week for each cm of thickness and cementitious screeds must have an
overall cure time of at least 28 days, unless they are made with special binders for MAPEI screeds such as Mapecem,
Mapecem Pronto, Topcem or Topcem Pronto.
Dampen with water to cool surfaces heated from exposure to sunlight.
Gypsum substrates and anhydrite screeds must be perfectly dry, sufficiently hard and free from dust. It is absolutely
essential that they must be abraded, then treated with Primer G or Eco Prim T, while areas subject to extreme dampness
must be primed with Primer S.
Apply Primer G over dry wall partition board, Gypsum board and cement fibre board.
Preparing the mix
Mix Keraflex Maxi S1 with clean water until a smooth, lump-free paste is obtained. Leave to rest approximately 5 minutes
and re-stir.
Use approximately 6.25-7.5 litres of water per bag of Keraflex Maxi S1 grey and use approximately 7.25-8 litres of water per
bags of Keraflex Maxi S1 white.
Mixed this way, Keraflex Maxi S1 has a pot life of approximately 8 hours.
Applying the mix
Apply Keraflex Maxi S1 on the substra