These pumps make the task of accurately measuring 5:1 proportions of resin to hardener simple and accurate.
West System 205 Fast Hardener and 206 Slow Hardener both require a 5:1 mixing ratio with West System 105 Resin.
| SKU | Pump Kit | West System 105 Resin |
West System 205/206 Hardener |
Mixing Ratio |
| WST-321278 | 1.2 Litre | 1 Litre | 200ml | 5:1 |
| WST-321286 | 4.8 Litre | 4 Litre | 800ml | 5:1 |
| WST-321294 | 24 Litre | 20 Litre | 4 Litre | 5:1 |
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