GB/T 4509-1984
Test method for needle penetration of petroleum bitumens (English Version)
- Standard No.
- GB/T 4509-1984
- Language
- Chinese, Available in English version
- Release Date
- 1984
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 1999-02
- Replace By
- GB/T 4509-1998
- Latest
- GB/T 4509-2010
GB/T 4509-1984 history
- 2011 GB/T 4509-2010 Standard test method for penetration of bitumen
- 1998 GB/T 4509-1998 Bitumen--Determination of penetration
- 1984 GB/T 4509-1984 Test method for needle penetration of petroleum bitumens
