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HMG Knowledge Base
Theoretical Coverage Chart
The following chart gives a theoretical coverage in square metres per litre, based on volume solids. The theoretical coverage is an approximate calculation only, as in 'real life' situation, transfer efficiencies vary between 50-80%. The use of HVLP (High Volume Low Pressure) equipment correctly adjusted will always improve transfer efficiency.
Coverage Capacity
Theoretical coverage M² per litre for any given film thickness.| 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 | 22.5 | 25.0 | 27.5 | 30.0 | 32.5 | 35.0 | 37.5 | 40.0 | 42.5 |
| 25 | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 | 18.0 | 20.0 | 22.0 | 24.0 | 26.0 | 28.0 | 30.0 | 32.0 | 34.0 |
| 30 | 6.7 | 8.3 | 10.0 | 11.7 | 13.3 | 15.0 | 16.7 | 17.3 | 19.0 | 20.7 | 22.3 | 24.0 | 25.7 | 27.3 |
| 50 | 4.0 | 5.0 | 6.0 | 7.0 | 8.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 16.0 | 17.0 |
| 60 | 3.3 | 4.2 | 5.0 | 5.8 | 6.7 | 7.5 | 8.3 | 9.2 | 10.0 | 10.8 | 11.7 | 12.5 | 13.3 | 14.2 |
| 80 | 2.5 | 3.1 | 3.8 | 4.4 | 5.0 | 5.6 | 6.2 | 6.8 | 7.4 | 8.0 | 8.6 | 9.2 | 9.8 | 10.2 |
| 100 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 |
| 125 | 1.6 | 2.0 | 2.4 | 2.8 | 3.2 | 3.6 | 4.0 | 4.4 | 4.8 | 5.2 | 5.6 | 6.0 | 6.4 | 6.6 |
| 150 | 1.3 | 1.7 | 2.0 | 2.3 | 2.7 | 3.0 | 3.3 | 3.6 | 3.9 | 4.2 | 4.5 | 4.8 | 5.1 | 5.4 |