INTRODUCTION OF PERFORMANCE GRADE BITUMEN​ (PG BITUMEN) Performance grade bitumen (PG Bitumen) is a kind of bitumen that is rated according to how it performs under certain performance conditions. This classification, which is based on an understanding of bitumen’s behavior and functional characteristics, has been evaluated, and the appropriate bitumen types have been determined. These … Continue reading PERFORMANCE GRADE BITUMEN (PG BITUMEN)