Carboline Carboguard 893 MIO is a two- component, high solids corrosion resistant primer and intermediate. Used either as a primer or an intermediate coat on concrete, steel and (in)organic zinc primers.

This is a self-priming coat. May be applied over organic and zinc rich primers. A mist coat may be required to minimize bubbling over zinc rich primers.

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

Features and Benefits

• Excellent corrosion protection
• Excellent film build and edge protection
• Used as a primer or an intermediate coating
• Good abrasion resistance
• VOC compliant to current AIM regulations

Product Specification

Drying Times

• These times are based on100 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. Any haze or blush must be removed by water washing before recoating.
• During high humidity conditions, it is recommended that the application be done while temperatures are increasing.
• If the maximum recoat time is exceeded, the surface must be abraded by sweep blasting or sanding before the application of additional coats.

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

• Sa2½ with a 25-50 microns surface profile.

Concrete

• Concrete must be cured 28 days at 24°C and 50% relative humidity or equivalent. Prepare surfaces in accordance with ASTM D42582 Surface Cleaning of Concrete and ASTM D4259 Abrading Concrete.
• Voids in concrete may require surfacing.

Application Methods

Application Conditions

• This product simply requires the substrate temperature to be 3°C above the dewpoint.
• Condensation due to substrate temperatures below the dew point can cause flash rusting on prepared steel and 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.
• Hypersensitive persons should wear protective clothing, gloves and use protective cream on face, hands, and all exposed areas.

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.

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