Weight Change = 100% * (Wo - Wf) / Wo
Tested In | Impregnant | Weight Change [wt%] |
Initial Hardness [Shore-D] |
Final Hardness [Shore-D] |
Gasoline | PS-403 | (1) 0.46 (2) 0.45 |
80 | 83 |
PS-403E | (1) 0.53 (2) 0.52 |
81 | 82 | |
Solvent(mixture) Toluene 40% Benzene 40% Xylene 20% |
PS-403 | (1) 0.33 (2) 0.31 |
80 | 82 |
PS-403E | (1) 0.43 (2) 0.41 |
81 | 84 | |
Acid: H2SO4 (0.1N/pH1) |
PS-403 | 0 | 80 | 80 |
PS-403E | 0 | 81 | 81 | |
Alkali: NaOH (0.1N/pH13) |
PS-403 | 0 | 80 | 80 |
PS-403E | 0 | 81 | 81 |