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InterGard 400

A two pack epoxy coating, containing micaceous iron oxide, which can be overcoated after extended periods.


As a general purpose primer for all non-permanently immersed areas. For use at Newbuilding.


color EPA001-MIO Dark Grey, EPA007-MIO Light Grey
Finish/Sheen Not applicable
Part B (Curing Agent) EPA740
Volume Solids 65% ±2% (ISO 3233:1998)
Mix Ratio 5.67 volume(s) Part A to 1 volume(s) Part B
Typical Film Thickness 125 microns dry (192 microns wet)
Theoretical Coverage 5.20 m²/litre at 125 microns dft, allow appropriate loss factors
Method of Application Airless Spray, Roller, Brush
Flash Point

Part A 23°C; Part B 23°C; Mixed 25°C

Induction Period 30 minutes at temperatures below 25°C

Drying Information

  Substrate Temperature
  0°C 5°C 25°C 35°C
Touch Dry [ISO 9117/3:2010] 12 hrs 3 hrs 2 hrs 60 mins
Hard Dry [ISO 9117-1:2009] 36 hrs 36 hrs 12 hrs 8 hrs
Pot Life 13 hrs 12 hrs 6 hrs 2 hrs

Overcoating Data

see limitations

Overcoated By Substrate Temperature
15°C 25°C 35°C
  Min Max Min Max Min Max Min Max
Intergard 269 26 hrs ext 20 hrs ext 16 hrs ext 14 hrs ext
Intergard 400 24 hrs ext 16 hrs ext 12 hrs ext 8 hrs ext
Intergard 410 24 hrs ext 20 hrs ext 16 hrs ext 14 hrs ext
Intergard 415 - - 24 hrs ext 16 hrs ext 12 hrs ext
Intergard 740 - 16 hrs ext 12 hrs ext 8 hrs ext
Interthane 990 - 48 hrs 7 days 16 hrs 5 days 12 hrs 3 days
Intertherm 891 - 16 hrs 7 days 12 hrs 5 days 8 hrs 3 days


For overcoating Intergard 400 with Intergard 410, Intergard 415 and Intergard 740 see Special Note in Surface Preparation section.


VOC 307 g/lt as supplied (EPA Method 24) 221 g/kg of liquid paint as supplied. EU Solvent Emissions Directive (Council Directive 1999/13/EC)


When used as part of an approved scheme, this material has the following certification:
• Food Contact - Carriage of Grain (NOHA)
• Food Contact - FDA Compliant: Dry Foodstuffs
• Fire Resistance - Surface Spread of Flame (WFR) - (IMO Resolution A653 (16))
• Fire Resistance - MSC61(67) Smoke & Toxicity (WFR)
• Fire retardant: Naval Engineering Standard 713
• Fire Resistance - Marine Equipment Directive compliant
• Corrosion Control - China Classification Society
Consult your International Paint representative for details.


Consult your International Paint representative for the system best suited for the surfaces to be protected.


Use in accordance with the standard Worldwide Marine Specifications. All surfaces to be coated should be clean, dry and free from contamination. High pressure fresh water wash or fresh water wash, as appropriate, and remove all oil or grease, soluble contaminants and other foreign matter in accordance with SSPC-SP1 solvent cleaning.


Where necessary, remove weld spatter and smooth weld seams and sharp edges. Weld seams and areas of shop primer damage or breakdown should be blast cleaned to Sa2½ (ISO 8501-1:2007) or power tooled to Pt3 (JSRA SPSS:1984). Intact shop primers must be clean, dry and free from soluble salts and any other surface contaminants. If the shop primer shows extensive or widely scattered breakdown, overall sweep blasting may be necessary. Consult your International Paint representative for specific recommendations.


When overcoating with Intergard 410, Intergard 415 and Intergard 740 the anticipated level of intercoat adhesion can only be achieved in "extended" overcoating situations when:
a) the aged coating has the "extended" surface characteristics required for long term overcoatability. For example, an over applied epoxy MIO may not have its usual "textured" surface and will no longer be overcoatable after ageing unless it is abraded.
b) the coating to be overcoated is intact, tightly adherent, clean, dry and free of all contaminants.
c) coatings with a glossy surface are treated by light surface abrasion, sweep blasting or other suitable processes which do not cut through or detract from the performance of the underlying coating. Consult your International Paint representative for specific recommendations.



Material is supplied in 2 containers as a unit. Always mix a complete unit in the proportions supplied.
(1) Agitate Base (Part A) with a power agitator.
(2) Combine entire contents of Curing Agent (Part B) with Base (Part A) and mix thoroughly with power agitator.


Not recommended. Use International GTA220 only in exceptional circumstances. DO NOT thin more than allowed by local environmental legislation.

Airless Spray

Tip Range 0.46-0.58 mm (18-23 thou)
Total output fluid pressure at spray tip not less than 176 kg/cm² (2500 p.s.i.)

Conventional Spray

Application by conventional spray is not recommended.


Application by brush is recommended for small areas only. Multiple coats may be required to achieve specified film thickness.


Application by roller is recommended for small areas only. Multiple coats may be required to achieve specified film thickness.


International GTA822

Work Stoppages and Cleanup

Do not allow material to remain in hoses, gun or spray equipment. Thoroughly flush all equipment with International GTA822. Once units of paint have been mixed they should not be resealed and it is advised that after prolonged stoppages work recommences with freshly mixed units.
Clean all equipment immediately after use with International GTA822. It is good working practice to periodically flush out spray equipment during the course of the working day. Frequency of cleaning will depend upon amount sprayed, temperature, relative humidity and elapsed time, including any delays. Do not exceed pot life limitations.
All surplus materials and empty containers should be disposed of in accordance with appropriate regional regulations/legislation.


In the event welding or flame cutting is performed on metal coated with this product, dust and fumes will be emitted which will require the use of appropriate personal protective equipment and adequate local exhaust ventilation. In North America do so in accordance with instruction in ANSI/ASC Z49.1 "Safety in Welding and Cutting."


All work involving the application and use of this product should be performed in compliance with all
relevant national Health, Safety & Environmental standards and regulations.

Prior to use, obtain, consult and follow the Material Safety Data Sheet for this product concerning health and safety information. Read and follow all precautionary notices on the Material Safety Data Sheet and container labels. If you do not fully understand these warnings and instructions or if you can not strictly comply with them, do not use this product. Proper ventilation and protective measures must be provided during application and drying to keep solvent vapour concentrations within safe limits and to protect against toxic or oxygen deficient hazards. Take precautions to avoid skin and eye contact (ie. gloves, goggles, face masks, barrier creams etc.) Actual safety measures are dependant on application methods and work environment.


This product will not cure adequately below 0°C. For maximum performance ambient curing temperature should be above 5°C.
Optimum performance is achieved when Intergard 400 is applied over blasted steel.

Overcoating information is given for guidance only and is subject to regional variation depending upon local climate and environmental conditions. Consult your local International Paint representative for specific recommendations. Apply in good weather. Temperature of the surface to be coated must be at least 3°C above the dew point. For optimum application properties bring the material to 21-27°C, unless specifically instructed otherwise, prior to mixing and application. Unmixed material (in closed containers) should be maintained in protected storage in accordance with information given in the STORAGE Section of this data sheet. Technical and application data herein is for the purpose of establishing a general guideline of the coating application procedures. Test performance results were obtained in a controlled laboratory environment and International Paint makes no claim that the exhibited published test results, or any other tests, accurately represent results found in all field environments. As application, environmental and design factors can vary significantly, due care should be exercised in the selection, verification of performance and use of the coating. In the overcoating data section 'ext' = extended overcoating period. Please refer to our Marine Painting Guide - Definitions and Abbreviations available on our website.


Unit Size Part A Part B
  Vol Pack Vol Pack
20 lt 17 lt 20 lt 3 lt 5 lt

For availability of other unit sizes consult International Paint


Unit Size Unit Weight
20 lt 36.04 Kg


Shelf Life 12 months minimum at 25°C. Subject to re-inspection thereafter. Store in dry, shaded conditions away from sources of heat and ignition.