PPG - Sigmafast 205 LT - Epoxy Primer is a two component high build polyamide cured zinc phosphate epoxy primer & coating for atmospheric conditions

Features

• General-purpose epoxy primer/coating for atmospheric conditions.
• Fast-curing
• Suitable for the protection of steel and concrete
• Easy application by airless spray
• Recoatable with most two-component epoxy and polyurethane coatings.
• Tough, with long-term flexibility.

• Steel; blast cleaned to ISO-Sa2.5, blasting profile 40 – 70 μm (1.6 – 2.8 mils)
• Dried for at least 28 days in good ventilation conditions
• Moisture content should not exceed 4.5%
• Concrete must be free from laitance and any contamination
• Rough surface; eventually abraded by power tool or diamond abrading tool.
• Substrate temperature during application and curing should be above 5°C
• Substrate temperature during application and curing should be at least 3°C above dew point.

Instructions for use:

• Mixing ratio by volume:base to hardener 75:25 (3:1)
• The temperature of the mixed base and hardener should preferably be above 15°C, otherwise extra thinner may be required to obtain application viscosity.
• Adding too much thinner results in reduced sag resistance and slower cure.
• Thinner should be added after mixing the components.

Air Spray

Recommended thinner

THINNER 91-92

Volume of thinner

5 - 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

Volume of thinner

5 - 10%, depending on required thickness and application conditions

Nozzle orifice

Approx. 0.48 mm (0.019 in)

Nozzle pressure

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

Brush/roller

Recommended thinner

THINNER 91-92

Volume of thinner

0 – 5%

Cleaning Solvent

Thinner 90-53