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PPG - Sigmacover 456 HS - Zinc Epoxy Primer

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£89.56

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£107.47 Tax incl.

PPG - Sigmacover 456 HS - Zinc Epoxy Primer is a two-component high solids re-coatable zinc epoxy primer and coating for steel and concrete structures in atmospheric exposure.

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PPG - Sigmacover 456 HS - Zinc Epoxy Primer is a two-component high solids re-coatable zinc epoxy primer and coating for steel and concrete structures in atmospheric exposure.

Features

General purpose epoxy primer/coating for steel and concrete structures in atmospheric exposure.
Can be recoated with various two component and conventional coatings even after long weathering periods.
Free from lead and chromate containing pigments
Excellent rust preventing properties in industrial or coastal atmospheres
tough, with long term flexibility
cures at temperatures down to -5°C
Good adhesion to steel
Easy application, both by airless spray and brush

Recommended substrate conditions and temperatures:

Steel; blast cleaned to ISO-SA2.5, blasting profile 40 - 70 µm
Previous suitable coat; dry and free from any contamination

Substrate temperature

Substrate temperature during application and curing down to -5°C (23°F) is acceptable; provided the substrate is free from ice and dry
Substrate temperature during application and curing should be at least 3°C (5°F) above dew point

Instructions for use:

Mixing ratio by volume: base to hardener 80:20

The temperature of the mixed base and hardener should preferably be above 15°C, otherwise extra solvent may be required to obtain application viscosity
Too much solvent results in reduced sag resistance
Thinner should be added after mixing the components.

Air spray

Recommended thinner

THINNER 91-92

Volume of thinner

0 - 10%, depending on required thickness and application conditions

Nozzle orifice

1.5 – 3.0 mm (approx. 0.060 – 0.110 in)

Nozzle pressure

0.3 - 0.4 MPa (approx. 3 - 4 bar; 44 - 58 p.s.i.)

Airless spray

Recommended thinner

THINNER 91-92