International Intergard 307

Part A and B: UN1263 (Class: 3, Pk Grp: III)
A two pack epoxy zinc phosphate primer, primarily formulated to meet the requirements of the UK Highways Agency specification.
Available in 5 Litres in 08-C-35
£89.12 £74.27
In stock
Product Description

International Intergard 307 is a two pack epoxy zinc phosphate primer, primarily formulated to meet the requirements of the UK Highways Agency specification.

Best Uses

International Intergard 307 is intended to be used as a primer or blast primer under high build epoxy coating schemes for new construction. This product is Highways Agency Approved - Item No. 110 and UK Network Rail Approved to N2 and M21 Specifications.


All surfaces to be coated should be clean, dry and free from contamination. Prior to paint application, all steel surfaces should be assessed and treated in accordance with ISO 8504:2000. Oil or grease should be removed in accordance with SSPC-SP1 Solvent Cleaning.

Steel Substrates
Abrasive blast clean to Sa2½ (ISO 8501-1:2007) or SSPC-SP6. If oxidation has occurred between blasting and application of Intergard 307, the surface should be reblasted to the specified visual standard. Surface defects revealed by the blast cleaning process should be ground, filled, or treated in the appropriate manner.

Material is supplied in two containers as a unit. Always mix a complete unit in the proportions supplied. Once the unit has been mixed it must be used within the working pot life specified.

Technical Details


  • Highways Agency Approved - Item No. 110
  • Network Rail New Works Systems Approved - N2 - Certificate Ref: N2/039
  • Network Rail New Works Systems Approved - N2F - Certificate Ref: XN90/N2F-086
  • Network Rail Maintenance Systems Approved - M21 - Certificate Ref: M21-037
  • London Underground New Works System Approved - LuL APR No. 1929 - Can be applied to below ground station infrastructure but not tunnel infrastructure. Cert XN90-N2F-086 For Surface Stations


The following topcoats/intermediates are recommended for Intergard 307:

Technical Info

Components: Two Part
Type: Epoxy Zinc Phosphate
Finish: Matt
Stock Colours: Bamboo
Tintable: No
VOC Content: 351.0g per Litre
Volume Solids: 43%
Suitable Substrates: For steel substrates
Application Method: Airless Spray. Brush for small areas
Theoretical Coverage: 17.20 m2 per litre at 25 microns
Wet Film Thickness (WFT): 58 - 93 microns
Dry Film Thickness (DFT): 25 - 40 microns
Induction Time: -
Pot Life: 8 hours at 10°C
Touch Dry: 60 minutes at 10°C
Overcoatable: After 24 hours at 10°C
Hard Dry: 4 hours at 10°C
Cleaner / Thinner: Thin with International GTA220 if necessary. Clean up with International GTA822
Shelf Life: 18 months minimum at 25°C (77°F). Subject to re-inspection thereafter. Store in dry, shaded conditions away from sources of
heat and ignition.
Packaging: Available in 5 Litres

The manufacturers data sheets are available for download from this website. It is your responsibility to read and understand all aspects of the data sheets before you place an order and prior to application. Please pay special attention to the preparation, mixing and application temperatures of the product, cleaning of substrate and environmental factors such as temperature, rain etc. Quoted coverage rates are based on the manufacturers theoretical rates and may vary depending upon substrates absorption, texture and application. We always recommend a test is carried out to ensure suitability.

Customer further agrees that Promain have no liability for any errors or omissions contained within the Product Data Sheets and are not liable for failure due to misapplication or inadequate substrate cleaning and preparation. For more information please refer to our Terms & Conditions.

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