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PPG - Sigmadur 550 - Polyurethane Paint

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£73.15

Tax excluded

£87.78 Tax incl.

PPG - Sigmadur 550 - Polyurethane Paint for Steel is a two-component, aliphatic acrylic polyurethane finish with excellent resistance to atmospheric exposure conditions that cures at temperatures down to -5°C (23°F).

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Features

Unlimited recoatable
Excellent resistance to atmospheric exposure conditions
Good color and gloss retention
Cures at temperatures down to -5°C (23°F)
Resistant to splash of mineral and vegetable oils, paraffins, aliphatic petroleum products and mild chemicals
Can be recoated even after long atmospheric exposure
Good application properties

Recommended Substrate Conditions and Temperatures

Substrate conditions

Previous coat (epoxy or polyurethane) must be dry and free from any contamination
Previous coat: surface should be sufficiently roughened if necessary

Substrate temperature and application conditions

Substrate temperature during application at -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
Relative humidity during application and curing should not exceed 85%
Should condensation on the surface occur during, or soon after application, this could result in color and gloss change

Instructions For Use

Mixing ratio by volume: base to hardener 88:12

The temperature of the mixed base and hardener should be above 10°C (50°F), otherwise extra thinner may be required to
obtain application viscosity
Thinner should be added after mixing the components
Adding too much thinner results in reduced sag resistance

Air spray

Recommended thinner

THINNER 21-06

Volume of thinner

3 - 5%, depending on required thickness and application conditions

Nozzle orifice

1.0 - 1.5 mm (approx. 0.040 - 0.060 in)

Nozzle pressure

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

Airless spray

Recommended thinner

THINNER 21-06