EPOLIS EP 400 UV

The concrete substrate must be made of concrete of at least C20/25 grade, with a compressive strength of minimum 25 MPa and a tensile strength of at least 1,5 MPa, measured by the pull-off method. The substrate must be stable, continuous, even, bonded, seasoned (min. 28 days) and dry (moisture content of max. 4%). It must be clean and free of oil, grease, cement laitance and other substances that impair adhesion. The substrates should be cleaned mechanically, dust, any loose layers and sharp protruding edges should be removed. It should be properly roughened mechanically, paying particular attention to watertight and very smooth substrates. An adherent, absorbent surface with an open pore structure should be obtained. The strength of the substrate must be adapted to the service loads.
Prime the substrate with NEXLER EPOLIS EP 200 or NEXLER EPOLIS EP 100. NEXLER EPOLIS EP 100 deep penetrating epoxy primer should be used when the substrate is stable, without visible damage, but its strength is not sufficient and it requires additional reinforcement.
For substrates on the ground, waterproofing or damp proofing is absolutely required.
Most resin systems are vapour-impermeable, so a tight waterproofing of the substrate, which also acts as a vapour barrier, is necessary. The absence of such waterproofing causes an increase in vapour pressure beneath the surface of the resin coating, which over time leads to its detachment. If there are doubts about the effectiveness of the waterproofing, the need to change the system solution and use a system based on NEXLER EPOLIS WE 200 should be analysed.

Check the production date on the packaging before use. The product should not be incorporated beyond its shelf life. The product, once opened, should not be objectionable and should be free of any mechanical contaminations. When stored correctly, the product is transparent when the packaging is opened. When stored at low temperatures, partial or complete crystallisation or opacification of the product may occur, which is reversible and does not affect the quality of the product. After 24 hours of seasoning under normal conditions, the product, when mixed, reaches a homogeneous consistency and full clarity.

All flooring materials must be seasoned for at least 24 hours in the conditions in which the flooring will be made.
Components A and B are supplied in a proper mixing ratio. Mix component A in the delivery vessel in order to homogenise. Then add the total amount of ingredient B and mix with a mechanical stirrer at 300 - 600 rotations per minute for approximately 3 minutes. While mixing, scrape the mixture from the sides and bottom of the vessel with the mixer to ensure thorough distribution of the hardener. After mixing, pour the material into the working vessel and mix again.
If partial use is assumed, the product should be prepared maintaining the weight ratio of the components (1 part component A and 0,55 of component B). It is very important to strictly adhere to these proportions and to use scales to ensure accuracy.
The permissible application time of the mixed material ata temperature of +23°C is up to 30 minutes. Increasing the temperature reduces the open time of the resin and its viscosity. Lowering the temperature increases the open time of the resin and its viscosity.

When fresh, check the consumption of the material per unit and/or dedicated area on an ongoing basis.
The appearance of the completed coating depends on the ambient temperature and humidity, the absorbency of the substrate and the method of application. The bonded coating should have a uniform texture, without bulges, air bubbles, wrinkles or cracks.

When making floors, apply individual layers maintaining a 12 - 24 hours interval. After an interval longer than 48 hours, grind and dedust the surface.

Anti-slip flooring: On a suitably prepared and primed substrate (e.g. using NEXLER EPOLIS EP 200 with quartz sprinkles), apply a base layer of coloured NEXLER EPOLIS EP 300, and cover it completely with coloured quartz sand. The choice of sand grain size (0,2 – 0,8 mm, 0,4 – 0,8 mm – most commonly used or 1,0 – 1,6 mm) depends on the level of roughness expected. After the resin has hardened and cured completely, brush off excess sand, lightly grind the surface in order to remove the remaining loose grains of sand and dedust the surface thoroughly. To such prepared surface, apply a closing top layer of EPOLIS EP 400 UV using a paint roller, rubber squeegee or steel float.

Decorative effect flooring: This effect is achieved thanks to the advanced technology and high quality of the EPOLIS EP 400 UV binder. The creation of such floors involves the use of various elements such as fillers made of aggregate, foils, coloured flakes, embedded decorative elements or binders such as NEXLER EPOLIS EP 300 with the addition of fillers and varnishes.

Before use, please read the application details in the product's Technical Data Sheet.