Table 8 Summary of PG grading results.
From: Study on the performance and mechanism of graphene oxide / polyurethane composite modified asphalt
Asphalt type | Asphalt | PU modified asphalt | GO/PU modified asphalt |
|---|---|---|---|
PG grading | 64 − 12 | 64 − 18 | 64 − 18 |
From: Study on the performance and mechanism of graphene oxide / polyurethane composite modified asphalt
Asphalt type | Asphalt | PU modified asphalt | GO/PU modified asphalt |
|---|---|---|---|
PG grading | 64 − 12 | 64 − 18 | 64 − 18 |
