Carboline Carboguard 893 SG


Carboline Carboguard 893 SG is a two component, metal primer with surface tolerant properties, can also be used as an intermediate coat, or self-priming finish over steel and zinc primers.

  • Ready to apply after mixing; no sweat-in time or thinning required
  • Outstanding chemical and corrosion resistance
  • One year recoat window
  • Excellent film-build, easy to apply, 1:1 mix finish
  • Economical fit for use epoxy
  • Attractive low sheen for tank exteriors
  • Optional low temperature (LT) cure Part B
  • VOC compliant to current AIM regulations
  • Available in 350+ colours, including RAL and BS

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Carboline Carboguard 893 SG is a versatile two component, economical self-priming, epoxy finish that demonstrates very good chemical and corrosion resistance. Used either as a primer, intermediate coat, or self-priming finish over steel and inorganic zinc primers. It may be topcoated with itself, or a broad variety of high-performance finish coats.

Carboguard 893 SG exhibits excellent wetting properties and can penetrate and adhere to marginally prepared surfaces. It has the added feature of having a one year recoat window before extensive surface prep is required.

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Features and Benefits

  • Ready to apply after mixing; no sweat-in time or thinning required
  • Economical fit for use epoxy
  • Available in a variety of rapid tint colours
  • Attractive low sheen for tank exteriors
  • Used as a primer, intermediate, or finish coat
  • Power tool cleaned surfaces acceptable
  • Optional low temperature (LT) cure Part B
  • VOC compliant to current AIM regulations
  • Eggshell finish

Reasons To Use Carboguard 893 SG
Performance Feature Advantage Benefit
Excellent wetting properties Surface-tolerant, self-priming coating Saves labour and time on surface prep
Epoxy polyamide cross-linked film Very good chemical and corrosion resistance Single product that can be used in a variety of applications
Unique epoxy formulation One year recoat window May be topcoated without extensive surface preparation
Excellent film-build, 1:1 ratio Easy to mix and apply in single coat Applicator friendly, applies well, resists runs and sags, and yields pleasing satin appearance

Product Specification

Technical Data
Carboline Carboguard 893 SG


May be applied over zinc rich primers

A mist coat may be required to minimize bubbling over inorganic zinc rich primers

Topcoats: May be coated with acrylics, epoxies, alkyds, or polyurethanes depending on exposure and need
Volume Solids: 63% +/- 2%
Theoretical Coverage Rate:

24.8 m²/l at 25 microns

8.3 m²/l at 75 microns

4.1 m²/l at 150 microns

Allow for loss in mixing and application

Dry Film Thickness:

76 - 152 microns per coat (75-125 microns can be used as a primer or intermediate coat.)

Two coats may be used direct-to-metal

100-150 microns can be used as a finish coat over a primer

Do not exceed 250 microns in a single coat

Excessive film thickness over inorganic zincs may increase damage during shipping or erection

VOC Values:

As Supplied: 324 g/l

Dry Temp. Resistance:

Continuous: 149°C

Prolonged exposure above 93°C may cause discolouration (darkening), but will not affect performance


Epoxies lose gloss, discolour, and eventually chalk in sunlight exposure.

LT Cure will cause additional discolouration as it weathers and/or ages. Not recommended for immersion service

Flash Point:

Part A:24°C

Part B: 24°C

Shelf Life: Part A and B: Min. 36 months at 24°C
Storage Temperature and Humidity: 4°C - 43°C
0-100% Relative Humidity

Drying Times

Curing Schedule
Surface Temp. and 50% Relative Humidity Dry to Touch Dry to Handle Dry to Recoat or Topcoat Maximum Recoat Time
10°C 2 Hours 12 Hours 24 Hours 1 Year
16°C 1.5 Hours 8 Hours 10 Hours 1 Year
24°C 1 Hour 4 Hours 7 Hours 1 Year
32°C 30 Minutes 2 Hours 4 Hours 1 Year

  • These times are based on a 100-150 micron dry film thickness for non-immersion
  • 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
  • Recoat intervals may vary from those listed above when using under intumescent fireproofing products
  • Consult Rawlins on Tech - 0113 2455450 (option 2) or [email protected] for recommended cure times before applying Carboline intumescent products
  • If the maximum recoat times have been exceeded, the surface must be abraded by sweep blasting or sanding prior to the application of additional coats.
  • For force curing, contact Rawlins for specific requirements

Surface Preparation


  • 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


For most applications:

  • SSPC-SP6 to obtain a blast profile of 25-50 microns. May also be applied over SSPC-SP 3 for certain applications
  • When using under fireproofing products, defer to the primer surface preparation requirements in the product data sheet of the fireproofing product

Galvanised Steel

  • Galvanising requires a roughened surface for optimum adhesion/performance of high build epoxies
  • Remove any contaminants per SSPC-SP1; ensure there are no chemical treatments that may interfere with adhesion; and abrade the surface to establish a suitable roughness (typically 1 mil). SSPC-SP7 or SP11 are acceptable methods
  • When using under fireproofing products, defer to the primer surface preparation requirements in the product data sheet of the fireproofing product

Concrete or CMU

  • Concrete shall be designed, placed, cured, and prepared per NACE No. 6/SSPC-SP 13, latest edition
  • Abrade to remove all laitance, loose concrete, etc. and to create surface profile in accordance with ICRI CSP 2-5

Application Methods

Product Information

Power mix separately, then combine and power mix



Normally not required but may thin as follows:

Use of thinners other than those supplied or recommended by Carboline may adversely affect product performance and void product warranty, whether expressed or implied

Ratio: 1:1 Ratio (A to B)
Pot Life:

4 Hours at 24°C

Pot life ends when coating thickens and loses application properties

Conventional Spray: Pressure pot equipped with dual regulators, 3/8” I.D. minimum material hose, 0.070” I.D. fluid tip and appropriate air cap
Airless Spray:
  • Pump Ratio: 30:1 (min.)
  • GPM Output: 2.5 (min.)
  • Material Hose: 3/8” I.D. (min.)
  • Tip Size: 0.017”-0.021”
  • Output PSI: 2100-2300
  • Filter Size: 60 mesh
Brush and Roller:

Multiple coats may be required to obtain desired appearance, recommended dry film thickness and adequate hiding

Avoid excessive re-brushing or re-rolling. For best results, tie-in within 10 minutes at 24°C

Brush: Use a medium bristle brush
Roller: Use 3/8” nap solvent resistant core roller

Application Conditions

Product Conditions
Condition Material Surface Ambient Humidity
Minimum 10°C 10°C 10°C 0%
Maximum 32°C 60°C 43°C 90%

  • 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
  • Surface and ambient temperatures may be reduced to 2°C when using the (LT) cure

Health and Safety

Clean Up

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


  • Read and follow all caution statements on this product data sheet and on the SDS for this product and use personal protective equipment as directed
  • Employ normal workmanlike safety precautions


  • When used 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 data sheet and safety data sheet in the attachments section above for further details
Product Details

Data sheet

For Use On
Steel, Concrete
Application Method
Brush, Roller, Spray
Standard / Ready Mixed
Single, Two or Three Pack
Pack Size
Mixing Ratio
1:1 Ratio (A to B)
1011 ft²/gal at 1.0 mils (24.8 m²/l at 25 microns) - 337 ft²/gal at 3.0 mils (8.3 m²/l at 75 microns) - 168 ft²/gal at 6.0 mils (4.1 m²/l at 150 microns)
Max. Application Temperature
Material: 32°C - Surface: 60°C - Ambient: 43°C - Humidity: 90%
Min. Application Temperature
Material: 10°C - Surface: 10°C - Ambient: 10°C - Humidity: 0%
Solids by Volume
63% +/- 2%
As Supplied: 2.70 lbs./gal (324 g/l)
Shelf Life (from date of manufacture)
Part A and B: Min. 36 months at 75 °F (24 °C)
Recommended Dry Film Thickness
3-5 mils (75-125 microns) can be used as a primer or intermediate coat. 4-6 mils (100-150 microns) can be used as a finish coat over a primer.
UN Number
Dry to Handle (at 10°C)
12 Hours
Touch Dry (at 10°C)
2 Hours
Pot Life
4 Hours at 75 °F (24 °C)

Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.

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