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Formulation of friction polymer composites used in this investigation.
| Ingredients (wt%) | Poly(BA-a)/UFNBRPs Friction Composite | Phenolic/UFNBRPs Friction Composite |
|---|---|---|
| Benzoxazine resin | 10 | - |
| Phenolic resin with curing agent | - | 10 |
| Aramid fiber | 5 | 5 |
| Inorganic fiber | 35 | 35 |
| Graphite | 10 | 10 |
| Zirconium silicate | 7 | 7 |
| Barium sulfate | 25 | 25 |
| UFNBRPs | 4 | 4 |
| Cashew dust | 4 | 4 |
