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    PPG - Sigmadur 520 - Polyurethane Finish
    • PPG - Sigmadur 520 - Polyurethane Finish

    PPG - Sigmadur 520 - Polyurethane Finish

    Review (0)
    £78.39
    Tax excluded
    £94.07 Tax incl.

    PPG - Sigmadur 520 - Polyurethane Finish is a two component high build semi gloss aliphatic acrylic polyurethane finish.

    Custom Colour

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    PPG - Sigmadur 520 - Polyurethane Finish is a two component high build semi gloss aliphatic acrylic polyurethane finish.

    Features

    • Easy application by roller and airless spray
    • Unlimited recoatable
    • Excellent resistance to atmospheric exposure conditions
    • Good color and gloss retention (aluminum version becomes grey)
    • Cures at temperatures down to -5°C (23°F)
    • Tough and abrasion resistant
    • Resistant to splash of mineral and vegetable oils, paraffins, aliphatic petroleum products and mild chemicals
    • Can be recoated even after long atmospheric exposure

    Recommended Substrate Conditions and Temperatures

    Substrate conditions

    • Previous coat (epoxy or polyurethane) must be dry and free from any contamination
    • Surface of previous coat should be sufficiently roughened if necessary

    Substrate temperature and application conditions

    • 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
    • Relative humidity during application and curing should not exceed 85%
    • Premature exposure to early condensation and rain my cause 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
    • Adding too much thinner results in reduced sag resistance
    • Thinner should be added after mixing the components
    • Aluminum version has lower gloss than the standard version and the color could be different by application method

    Air spray

    Recommended thinner

    THINNER 21-06

    Volume of thinner

    5 - 10%, 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

    Volume of thinner

    0 - 5%, depending on required thickness and application conditions

    Nozzle orifice

    Approx. 0.46 mm (0.018 in)

    Nozzle pressure

    15.0 MPa (approx. 150 bar; 2176 p.s.i.)

    Brush/roller

    Recommended thinner

    THINNER 21-06

    Volume of thinner

    0 – 5%

    Cleaning solvent

    THINNER 90-53

    PPG Paints
    PPG-S52

    Data sheet

    Type
    Polyurethane
    Size
    4L & 20L
    Colour
    Tintable to many colours
    Finish
    Semi-Gloss
    Coverage
    11.6 m²/l for 50 µm (465 ft²/US gal for 2.0 mils)
    For Use On
    Metal
    Application Method
    Brush, Roller & Spray
    Recoat Time (20°c)
    6hrs

    Specific References

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    PPG - Sigmadur 520 - Polyurethane Finish

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    PPG - Sigmadur 520 - Polyurethane Finish

    PPG - Sigmadur 520 - Polyurethane Finish

    £78.39
    Tax excluded
    £94.07 Tax incl.