Epopaint opaco

Two-component epoxy polyamide finish

Epopaint opaco

Two-component high quality epoxy finish for general use. It has high chemical resistanceto saline, acidic or basic solutions (not concentrated), lubricating oils, diesel fuel,detergents, fertilizers. Good mechanical performance, impact resistance, scratch andabrasion. It has excellent adhesion to all metal substrates, hot dip galvanized surfaces,aluminum or other light alloys. The area of application is manifold shipbuilding (topside),chemical and industrial plants, agricultural equipment, concrete plants and chassis. Notsuitable for immersion service and/or continuous contact with concentrated acid or basicsubstances.

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Product information

Surface preparation

Usually the product is applied on surfaces already primed, rigorously dry, clean, perfectly free of oil, grease, dust, moisture or other contaminants. However, it is possible to apply the product directly on metal. If required the product is suitable for galvanized surfaces after degreasing and removal of any zinc salts. 

Application method

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) 0,8÷1,7
  • Air pressure 2,5÷4,0


AIRLESS AIRMIX

  • Pressure ratio 28:1

  • Nozzle diameter (inch) 0,015÷0,019

  • Product pressure (Atm) 160,0÷220,0 


Technical data

  • Mechanism of hardening Evaporation of the solvent and chemical reaction 
  • Specific weight (kg / l) * 1,3 (±8%) 
  • Volume solids (%) * 51 (±1%) 
  • Medium dry film thickness (microns) 50 
  • Correspondence wet film thickness (microns) 99 
  • Yield to the average or recommended thickness (m2 / kg) * 7,9 
  • 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) 8 
  • Recoat time max. recommended 25 ° C (days) 2 
  • Hard dry at 25 ° C (days) 8 
  • Recommended application temperature (° C) +10 ~ +35 
  • Maximum operating temperature (° C) 102 
  • Pot life at 25 ° (hours) 8 
  • Mixing ratio by weight 20% 
  • Thinner 603.0000 
  • Aspect of the film matt 
  • Color On request 
  • Storage in suitable conditions (months) 12

Additional informations

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 dew point. If this condition is not met the resulting condensation, not always visible, may easily lead to phenomena of nonadherence. The coating requires a period of 7-15 days at 25° C for complete curing. The over-coating should be performed preferably within two days. After this time, to ensure a secure adhesion of additional coats is recommended to abrade with steel wool or fine sandpaper. As is widely known, the UV rays are able to cause the surface chalking of epoxy coatings causing an aesthetics alteration, which however does not compromise in any way the performance. 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 if not removed causes inhomogeneity of the film.

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