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| Chinese National Standard Category: Petroleum asphalt |
| English Title: | Test method for needle penetration of petroleum bitumens |
| Chinese Title: | 石油沥青针入度测定法 |
| Standard No.: | GB 4509-1984 |
| Category No.: | E43 |
| Issued by: | |
| Issued on: | |
| Implemented on: | 1984-9-1 |
| Status: | superseded |
| Superseded by: | GB/T 4509-1998 Bitumen--Determination of penetration |
| Superseded on: | 1999-2-1 |
| Abolished on: | |
| Superseding: | |
| Word Count: | 1500 words |
| Similar Standards: | GB/T 11148-2025 GB/T 11147-2025 GB/T 4508-2025 GB/T 494-2025 GB/T 15180-2010 T/CHTS 10164-2024 GB/T 44357-2024 T/TMAC 070-2023 GB 4509-1984 NB/SH/T 0099.5-2021 NB/SH/T 0099.2-2021 DB13/T 5080-2019 DB13/T 5081-2019 GB/T 38075-2019 GB/T 38050-2019 SH 0001-1990 SH 0522-2000 GB/T 8928-2008 GB/T 11964-1989 GB/T 11148-2008 |
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