GB/T 4985-2010
Standard test method for needle penetration of petroleum waxes (English Version)

Standard No.
GB/T 4985-2010
Language
Chinese, Available in English version
Release Date
2010
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
 2022-05
Replace By
GB/T 4985-2021
Latest
GB/T 4985-2021
Replace
GB/T 4985-1998
Scope
This standard specifies the method for evaluating the hardness of petroleum wax by measuring the penetration depth of a standard needle. This standard applies to petroleum waxes with a penetration value not greater than 250. This standard uses SI units. This standard deals with certain hazardous materials, operations and equipment, but is not intended to make recommendations on all safety issues related thereto. Therefore, users should establish appropriate safety and protective measures and determine the applicable management system before using this standard.

GB/T 4985-2010 Referenced Document

  • GB/T 2539 Determination of melting point of petroleum wax by cooling curve method*2023-09-07 Update
  • GB/T 514 Specification for liquid-in-glass thermometers for testing of petroleum products
  • SH/T 0132 Determination of Freezing Point of Petroleum Wax

GB/T 4985-2010 history

  • 2021 GB/T 4985-2021 Standard test method for needle penetration of petroleum waxes
  • 2010 GB/T 4985-2010 Standard test method for needle penetration of petroleum waxes
  • 1998 GB/T 4985-1998 Determination of needle penetration of petroleum waxes
Standard test method for needle penetration of petroleum waxes



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