PPG SigmaCover 522

Description

PPG SigmaCover 522 is a two-component, micaceous iron oxide-pigmented, polyamide-cured epoxy primer/sealer/coating for weathered, cleaned, zinc-rich primers and metal-sprayed steel. Resistant to high temperatures up to 200°C (390°F) in dry atmospheric exposure conditions.

Product Features and Benefits

• Excellent adhesion to, and sealing of, weathered-, cleaned-, zinc-rich primers and metal-sprayed steel
• Good adhesion to properly pre-treated galvanised steel
• Can be used in systems for atmospheric or water-immersed exposure conditions
• Good resistance to industrial- or chemical-contaminated atmospheric exposure conditions
• Good abrasion and impact resistance
• Pass cryogenic cyclic test from -196°C (-321°F) to 140°C (284°F)
• Resistant to temperatures up to 200°C (390°F) in dry atmospheric exposure conditions
• Prevents Corrosion Under Insulation (CUI)
• Colours: Redbrown, greenish grey
• Gloss level: Low metallic sheen

Method of Application

• Air spray
• Airless spray
• Brush/Roller

Note:

Adequate ventilation must be maintained during application and curing (please refer to Information Sheets 1433 and 1434 available on request).

For optimum resistance in tank coating systems a minimum substrate temperature of 10°C (50°F) is essential.

Please refer to the product Data Sheet for further surface preparation, mixing and application instructions or contact us for free technical advice.

Overcoating

Please contact us for suitable products for overcoating PPG SigmaCover 522.

Note:

• Surface should be dry and free from any contamination
• The minimum overcoating time should be multiplied by 5 when SigmaCover 522 is to be applied on top of an existing old (alkyd) primer or coating
• Surface should be properly cleaned
• Glossy finishes require a corresponding undercoat

Thinner

Air Spray: PPG Thinner 91-92
Volume of Thinner: 10 – 30% depending on required thickness and application conditions.

Airless Spray: PPG Thinner 91-92
Volume of Thinner: 5 – 10%, 30 – 40 % when mist coat applied.

Brush/Roller: PPG Thinner 91-92
Volume of Thinner: 0 – 5%

Refer to product Data Sheet for further details.

Cleanup

Please contact us for suitable cleaning solutions for PPG SigmaCover 522.

Safety Precautions

• Adequate ventilation must be maintained during application and curing (please refer to Information Sheets 1433 and 1434)
• For paint and recommended thinners see Information Sheets 1430, 1431 and relevant Material Safety Data Sheets
• This is a solvent-borne paint and care should be taken to avoid inhalation of spray mist or vapour, as well as contact between the wet paint and exposed skin or eyes

Please refer to the product Data Sheet and Material Safety Data Sheets for full details regarding the safe use of this product.

Contact Us

For further advice regarding the use of this product, technical support or a quotation please contact us.