Eporust HA

Two-component epoxy-polyamide anchoring primer

Eporust HA

Adhesion-primer, two component epoxy-polyamide that grants high adhesion to difficult surfaces. It has excellent chemical resistance (oils, fuels, detergents, fertilizers) as well as an excellent impact resistance, scratch and abrasion. It Is used as tie-coat in all cases where it is required high adhesion. Not recommended for continuous immersion service.

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Product information

Surface preparation

The product must be applied strictly on dry surfaces, clean, perfectly free of oil, grease, dust, moisture or other contaminants

Application methods

Spray, brush or roll. Preferred application is airless spray. Brush or roller don't grant an uniform coverage, use these techniques only on retouch or small surfaces.

Application instructions

CONVENTIONAL SPRAY LOW PRESSURE PUMP

  • Nozzle diameter (mm) 1,5÷2,0
  • Product pressure (Atm) 1,0÷1,5
  • Air pressure 3,5÷4,5


AIRLESS AIRMIX 

  • Pressure ratio 28:1
  • Nozzle diameter (inch) 0,017÷0,019
  • Product pressure (Atm) 150,0÷170,0

Technical data

  • Mechanism of hardening Evaporation of the solvent and chemical reaction 
  • Specific weight (kg / l) * 1,46 (±5%) 
  • Volume solids (%) * 35,6 (±1%) 
  • Medium dry film thickness (microns) 30 
  • Correspondence wet film thickness (microns) 84 
  • Yield to the average or recommended thickness (m2 / kg) * 10 
  • Consumption at the average or recommended thickness (Kg / m2) * 0,1 
  • Touch dry at 25 ° C (min) 60 
  • Recoat time min. recommended 25 ° C (hours) 5 
  • Recoat time max. recommended 25 ° C (days) 5 
  • Hard dry at 25 ° C (days) 24 
  • Recommended application temperature (° C) +10 ~ +40 
  • Maximum operating temperature (° C) 105 
  • Pot life at 25 ° (hours) 6 
  • Mixing ratio by weight 50% 
  • Thinner 603.0000 
  • Aspect of the film satin 
  • Color Gray, white 
  • Storage in suitable conditions (months) 12

Additional information

This is a two-component product. Before mixing the two components it is recommended to homogenize the component possibly with agitator and shake vigorously, possibly without opening, the packaging of component b. After mixing and addition of appropriate thinner, agitation should be continued until it became homogeneous. In order to use the correct mix ratio, necessary to obtain the best results, we recommend to catalyse only entire packs. In case you want to use only a portion of the pack, you should equip with adequate precision scale for catalysis by weight and appropriate sized containers for catalysis by volume. The pot life (time of use after catalysis) is significantly reduced by increase of temperature. Ambient temperature has influence on curing time which, under 10° C is extended considerably. Epoxy products are not suitable to use at low temperatures (typically under 5-8° C), except through the use of a specific catalyst (winter grade). The temperature of the surface to be treated must be at least 3° C higher than the ambient temperature. If this condition is not met the resulting condensation, not always visible, may easily lead to phenomena of non-adherence. The coating requires a period of 7-15 days at 25° C for complete curing. Carefully remove any accumulated roughness prior to the application of subsequent coats. It is recommended to implement all necessary measures (development of equipment for painting, using any thinner retardant-wetting thinner, position yourself upwind, proper progression of the surfaces to be painted) to prevent the accumulation of dust coating, which often causes inhomogeneity of the film.

Product data sheet

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