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All Active Abolish Replaced Incoming Convert to industry standard
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GB/T 4985-2021 《Standard test method for needle penetration of petroleum waxes》 Related products

This standard describes a method for evaluating petroleum wax Hardness by measuring the depth of penetration of a standard needle into a wax sample. It is suitable for petroleum waxes with an penetration value of not more than 250 1/10 mm, and can be used for the determination of Fischer-Tropsch wax, synthetic wax, and biological wax, but does not provide precision data for the latter two. The standard provides a uniform test method and standard for the determination of Hardness of petroleum wax and related products, which is suitable for quality control and research analysis.

This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
Status Active
CCS E42
ICS 75.140
Release Date 2021-10-11 00:00:00
Implementation Date 2022-05-01 00:00:00
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