Primer EP


Two-component, 100 % solids, epoxy resin as a primer

It’s a two-component, 100% solid content, epoxy resin-based including solid charges. Specially designed as a primer to increase adherence and repair substrates on mortar, concrete or ceramic tiles for flooring resins as TECNOFLOOR and TECNOTOP,  or waterproofing systems TECNOCOAT  and DESMOPOL. 



Epoxy resin to be used in the following situations in TECNOFLOOR, TECNOTOP, TECNOCOAT and DESMOPOL systems:

  • Specially designed to increase the adhesion on concrete, mortar, or ceramic tiles supports.
  • Self-leveling application (thick coat), adding Silica Sand
  • Also used as a resin mortar adding Silica Sand, or calcium carbonate for concrete support preparation

NOTE: call our technical department about the application to other supports or situations

density 1,05± 0,1 g/cm³
viscosity  600± 250 cps
pot life  ±30 minutes
drying time ±2~3 hours
approx. coat consumption ±150 g/m2
mix ratio 2,20:1


  • High fluidity, high penetration, and sealing behavior allows for a quick and easy application of the product.
  • Excellent adhesion to concrete,  mortars and ceramic tiles
  • Aromatic, 100% solids epoxy resin. Odorless, and solvent-free. Do not add water or any solvent.
  • Usual coverage by coats (short nap roller )can vary from 200 to 400 g/m2, depending on the physical conditions of the substrate
  • Can be used as an epoxy-mortar, adding Silica Sand (mix ±1:4), or calcium carbonate (mix ±1:2), to fill irregularities.
  • After 7 days, coming to a cured material total. Preserve the direct contact with water or other reagents until this moment.
  • The PRIMER EP-1020 should be applied in dry conditions avoiding the presence of humidity (max. 4%)or water coming from the surface to be coated or the substrate, whether at the time of application or subsequently (pressure from phreatic water level).
  • Do not use hot air guns that burn fossil fuels. These conditions facilitate the appearance of white spots. Use electric heaters.


Kit metal tins: 10,3 kg.+4,7kg.


12 months for each product at temperatures between 5° C and 35° C, provided it is stored in a dry place. Once the tin has been opened, the product must be used immediately.



  • The concrete slab must be clean, compact, and free of loose particles, grease, oil, cement laitance, curing liquids, or other treatments such as silicones or damaged paintings.
  • The surface must be with the pore opened, it is essential to start work with treatment and subsequent shot blasting dust sucked. sanding, therefore, is not recommended rough and open-pored surface ensuring anchoring the primer is sought.
  • The concrete has to be more than 28 days old or maximum moisture content of 4%.
  • Do not apply PRIMER EP-1020 on concrete with exudations of water or in areas where the inside water may affect the adhesion of the system components.
  • Both temperature, environmental and support, should be at least 3 higher than the dew point at the time of the application, so the risk of condensation is reduced.


  • PRIMER EP-1020 comes in pre-weighed containers suitable for subsequent mixing proportions, partial mixtures is not recommended.
  • Pour the contents of Comp. II on Comp. I, and mix with a drill fitted with a stirrer at low speed until achieving a homogeneous product. Special emphasis on shaking the walls and bottom of the container.
  • In the case of adding aggregate, make the mixture described above first and, once made, add the aggregate to obtain a homogeneous product.
  • Do not add water or any solvents.


  • Apply PRIMER EP-1020 with the help of a short-haired roller on the support. applying a second layer will be necessary for very absorbent substrates.
  • Self-leveling application, using a squeegee or a trowel(thick coat )
  • Consumption is 200 - 400 g / m² depending on the roughness of the substrate.
  • For repair, the concrete surfaces, use this epoxy resin mixed with SILICA SAND (mix ratio ± 1: 4) or calcium carbonate mix ratio(± 1: 2) as a mortar, applied by notched trowel or roller.
  • In liquid condition, clean up with DESMOSOLVENT. Once cured, clean up only by mechanical means.


These safety recommendations for handling, are necessary for the implementation process as well as in the pre and post, on exposure to the loading machinery.

  • Respiratory Protection: When handling or spraying use an air-purifying respirator.
  • Skin protection: Use rubber gloves, remove immediately after contamination. Wear clean body-covering. Wash thoroughly with soap and water after work and before eating, drinking, or smoking.
  • Eye / Face: Wear safety goggles to prevent splashing and exposure to particles in the air.
  • Waste: Waste generation should be avoided or minimized. Incinerate under controlled conditions in accordance with local laws and national regulations.

Anyway, consult the material and safety data sheet of the product (MSDS) or contact our technical department.




Density       ISO 1675

1,05± 0,1 g/cm³

Viscosity       ISO 2555

600 ±250 cps

Density components A/B         ISO 1675 1,25± 0,05 g/cm³ /1,10± 0,05 g/cm³
Viscosity components A/B        ISO 2555 700± 100 cps/ 450 ±50 cps
Mixing ratio (in weight) 2,20:1
Solids content      ISO 1768 100%
VOC(volatile organic compounds) 0 g/l comp. A+0 g/l comp. B
Shore Hardness A      DIN 53.505 >75

Adhesion to the concrete

>2 MPa

Pot life 

±30 minutes

Dry time 

±2~3 hours

Recoat range time 

3~24 hours

Service range temperature 

-20~80 ºC

Environmental and surface range of temperature for the application

5~35 ºC

Max. moisture on the support

±4 %

Max. environmental moisture




Results were performed in the laboratory at 23ºC and 50% RH, under controllable conditions. These values may vary depending on the application, climatology, or substrate conditions.