| Mc (mol/g) | Average molecular weight between crosslink points |
| ν (mol/g) | Crosslink density |
| νr | Volume fraction of rubber in the swollen gel at equilibrium |
| Vs (cm3/mol) | Molar volume of solvent |
| ρ (g/cm3) | Density of the rubber sample |
| χ | Polymer–solvent interaction parameter |
| wdry | Weight of the dry sample |
| wfiller | Weight of the filler in the dry sample |
| wswollen | Weight of the swollen sample |
| ρrubber | Density of the rubber |
| ρsolvent | Density of the solvent |
| ν0 | Molar volume of the solvent |
| δp | Solubility parameter of the polymer |
| δs | Solubility parameter of the solvent |
| t10 (min:s) | Scorch time |
| t90 (min:s) | Optimum cure time |
| Tmin (N·m) | Minimum torque |
| Tmax (N·m) | Maximum torque |
| △T (N·m) | Delta torque (Tmax–Tmin) |
| M100 (kgf/cm2) | Modulus at 100% elongation |
| M300 (kgf/cm2) | Modulus at 300% elongation |
| Tg (°C) | Glass transition temperature |
| G′ (MPa) | Storage modulus |
| G″ (MPa) | Loss modulus |
| Tan δ | Tangent delta |
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