Research Article
Compatibility Studies on Elastomers and Polymers with Ethanol Blended Gasoline
Table 4
Elastomers properties after immersion in fuels.
| Material | Air-55 | E5 WET | E10 WET | E5 DRY | E10 DRY |
| Weight change (%) | Neoprene | | | | | | Nitrile | | | | | | HNBR | | | | | | PVC/NBR | | | | | |
| Volume change (%) | Neoprene | | | | | | Nitrile | | | | | | HNBR | | | | | | PVC/NBR | | | | | |
| Tensile strength (Mpa) | Neoprene | | | — | | — | Nitrile | | | | | | HNBR | | | | | | PVC/NBR | | | | | |
| Elongation (%) | Neoprene | | | — | | — | Nitrile | | | | | | HNBR | | | | | | PVC/NBR | | | | | |
| Shore hardness | Neoprene | | | — | | — | Nitrile | | | | | | HNBR | | | | | | PVC/NBR | | | | | |
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