
Sherwin Williams Macropoxy G280 - Formerly Leighs Metagard G280
Sherwin Williams Macropoxy G280 - Formerly Leighs Metagard G280 is a two pack epoxy, zinc free prefabrication primer formulated as a temporary protective coating for steel surfaces prepared by abrasive blast cleaning.
Best Uses
Macropoxy G280 is best used as a temporary protective for steel surfaces prepared by abrasive blast cleaning. Rapid drying suitable for use in automatic blast and spray plants. Suitable for welding, cutting and forming when applied at the recommended dry film thickness.
Application
Recommended application method via airless spray or conventional spray. Recommended cleaner / thinner Sherwin Williams Thinner C5.
For optimum performance use round steel shot and blast clean to Sa2½ BS EN ISO 8501-1:2007. Average surface profile in the range 30-50 microns. Ensure surfaces to be coated are clean, dry and free from all surface contamination. It can be overcoated with a wide variety of materials, the choice of system being dependent on exposure conditions.
Approvals
- Approved by Ministry of Defence MOD/DRA to AFS No.1848
- Complies with NES 757 Annex A Table A
- Newcastle Occupational Health (Industrial Division) Welding Health and Safety Report No7548/04
Technical Info
| Components: | Two Pack |
| Type: | Epoxy zinc free prefabrication primer |
| Stock Colours: | Red Oxide |
| Tintable: | Limited range. Please note, bespoke tints are non refundable / exchangeable |
| Suitable Substrates: | Steel |
| Cleaner / Thinner: | Thinner No.5 |
| Shelf Life: | 12 months from date of production unopened or 'use by' date where specified |
| Packaging: | Available in 20 Litres |
| VOC Content: | 618 g per litre |
| Application Method: | Airless Spray or Conventional Spray |
| Theoretical Coverage: | 10.8 m2 per litre |
| Touch Dry: | 3 minutes at 23°C |
| Volume Solids: | 27 ± 1% |
| Pot Life: | 8 hours at 23°C |
| Overcoatable: | 2 hours at 23°C |
| Wet Film Thickness (WFT): | 93 microns |
| Dry Film Thickness (DFT): | 25 microns |
| To Handle: | 6 minutes at 23°C |


