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Boero Defender Two-Component Epoxy Primer 259 Grey #45100338

Boero Defender Two-Component Epoxy Primer 259 Grey #45100338

Two-component modified epoxy primer usable on all hull types. This product can be applied as primer or undercoat in painting systems. Its distinctive feature being that it can be over-coated by any Boero antifouling even after a long time.

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Combination not available

Boero Defender Two-Component Epoxy Primer

Two-component modified epoxy primer usable on all hull types. This product can be applied as primer or undercoat in painting systems. Its distinctive feature being that it can be over-coated by any Boero antifouling even after a long time. Ideal for hulls as well as for outboards and superstructures.

PHYSICAL ASPECTS (at 20°C)
Aspect: Matt
Colour: White .001
Volume solid %: 60%
Specific weight: 1,30 ± 0,02 kg/l
Flash point: 23° C

APPLICATION DETAILS
Mixing ratio by volume: 3:1 in volume with.00 C 82/18 in weight
Pot Life: 7 hours at 20° C
Thinner
Roller/Brush: 693 (0 – 5% max)
Conventional spray/Airless: 693 (15- 25% max)
Application Method
Conventional: Pressure: 3,5 bar - Gun: 1,7 mm – 1,9 mm
Airless: Pressure: 150 bar - Gun: 2,1 mm – 3,1 mm - Angular opening : 65° - 80°
Thinner: 693
Dry film thickness: Standard range of application  100 – 200 μm (Recommended 150 μm)
Wet film thickness: Standard range of application 170 – 300 μm (Recommended 235 μm)
Theoretical coverage m²/l.: Range of application at recommended thickness  4
Recommended primer: Epozinc – Delta 3000 or directly on sanded or disk sanded media


Note: The product is supplied in two containers to be completely and accurately mixed together before use. Possible dilution to be done after having mixed the two components together. Physical data of the two-component products relate to the components after being mixed together.

SURFACE PREPARATION

For already treated or surfaces in a bad condition it is important to completely remove the old paint-cycle to the bare surface.

Steel: recommended grit blasting SSPC – SP – 10 (SA 2 ½ - ISO 8501-1/3) or disk grinding SSPC – SP – 3 (ST3 - ISO 8501-1/3) as an alternative. Cover with primer the treated metal to the standard mentioned above and before this last presents signs of oxidation or colour variation.
Aluminium: Grit blasting with anon – metallic blast media, grinding with P36 - P40 grit wheels or sanding (for small craft) with coarse Emery cloth: the surface layer of the metal must be renewed completely and uniformly, removing any remaining oxidation.
Wood: apply one coat by brush of Defender thinning 15 – 20% on the surface, previously cleaned and sanded with paper n. P60 - P80. Sand the surface with P150 - P180 grit paper.
Gel coat: remove the wax with 680 Sirio, rinse and sand the surface with P120 - P150 grit paper.

CONDITIONS DURING APPLICATION
To avoid the formation of condensation, the temperature of the surface should be at least 3 °C above dew point. During the application and curing the min. ambient temperature should be 10 °C, or higher than 30° C; substrate temperature must not be lower than 5° C since curing is reduced at lower temperatures. Application is not advisable when relative humidity exceeds 80%. The thermo-hygrometric survey should be carried out near the surface to be coated. It is important to be sure there is sufficient ventilation when the application takes place in closed areas.

SAFETY RULES
In order to protect personal health it is advisable to comply with the EU DPR 303 and 547 regulations. Avoid, for example any contact of the product with the skin and eyes. Use in well ventilated areas,in enclosed areas use aspirators, fans and air ventilators. Wear masks, goggles, gloves while applying the product.

NOTE

The applied product must not come in contact with water, chemical products or submitted to mechanical stress before the curing is completed. The wet film thickness is referring to an undiluted product. In case of dilution, this value increases.

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    Boero Thinner 693 0,5 Lt Thinner for Epoxies. Unit size 0.5lt.
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