Carboline Carboguard 878 is a high solids, high-build epoxy mastic coating used for atmospheric exposed and submerged steel. Self-priming and normally specified in a two -coat system.

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• Features and Benefits
• Product Specification
• Drying Times
• Surface Preparation
• Application Methods
• Application Conditions
• Health and Safety

Features and Benefits

• Excellent film build and edge protection
• Surface tolerant characteristics
• Cures at low temperature
• Self-priming and primer/finish capabilities
• Meets NORSOK System 7B, Rev. 6 requirement for submerged steel and NORSOK System 7C to 90°C

Product Specification

Drying Times

• These times are based on 150 - 200 microns dry film thickness. Higher film thickness, insufficient ventilation or cooler temperatures will require longer cure times and could result in solvent entrapment and premature failure.
• Excessive humidity or condensation on the surface during curing can interfere with the cure, can cause discolouration, and may result in a surface haze.
• If the maximum recoat time is exceeded, the surface must be abraded by sweep blasting or sanding prior to the application of additional coats.
• For force curing, contact Rawlins on Tech - 0113 2455450 (option 2) or [email protected] Sales - 0113 2455450 or [email protected] for specific requirements.
• Note: Final cure temperatures below 16°C are not recommended for tank linings.

Surface Preparation

General

• Surfaces must be clean and dry. Employ adequate methods to remove dirt, dust, oil, and all other contaminants that could interfere with adhesion of the coating.

Steel

• Immersion: ISO 8501-1 Sa 2½
• Non-immersion: ISO 8501-1 Sa 2
• Surface profile: Medium to coarse in accordance with ISO 8503-2

Concrete or CMU

• Concrete must be cured at 28 days at 24°C and 50% relative humidity or equivalent.
• Prepare surfaces in accordance with ASTM D4258 Surface Cleaning of Concrete and ASTM D4259 Abrading Concrete.
• Voids in concrete may require surfacing.

Application Methods

Application Conditions

• Industry standards are for substrate temperatures to be 3°C above the dew point.
• Condensation due to substrate temperatures below the dew point can interfere with proper adhesion to the substrate.
• Special application techniques may be required above or below normal application conditions.

Health and Safety

Clean Up

• Use Thinner 2 or Acetone
• In case of spillage, absorb and dispose of in accordance with local applicable regulations.

Safety

• Read and follow all caution statements on this product data sheet and on the SDS for this product.
• Employ normal workmanlike safety precautions.

Ventilation

• When used as a tank lining or in enclosed areas, thorough air circulation must be used during and after application until the coating is cured.
• The ventilation system should be capable of preventing the solvent vapor concentration from reaching the lower explosion limit for the solvents used.
• User should test and monitor exposure levels to ensure all personnel are below guidelines. If not sure or if not able to monitor levels, use MSHA/NIOSH approved supplied air respirator.

Caution

• This product contains flammable solvents
• Keep away from sparks and open flames
• All electrical equipment and installations should be made and grounded in accordance with applicable regulations.
• In areas where explosion hazards exist, workmen should be required to use nonferrous tools and wear conductive and non-sparking shoes.

• Refer to the product and safety data sheet in the attachments section above for further details.