T/SDGSY 6-2022 Active Group standards

T/SDGSY 6-2022 Mechanism sand particle ball-shapedness funnel method test regulations

Publish Date: 2022-04-18 Implement Date: 2022-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/SDGSY 6-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Mineral materials and products

Publish Date: 2022-04-18

Implement Date: 2022-05-01

Scope

Main technical content: 4. Technical requirements 4.1 Mechanical sand sphericity specification grade The sphericity specification grade of mechanical sand particles can be divided into three levels, namely QⅠ grade, QⅡ grade, and QⅢ grade. 4.2 Technical requirements for mechanical sand sphericity The technical requirements for mechanical sand sphericity shall comply with the requirements in Table 4.2. Table 4.2 Technical requirements for mechanical sand sphericity Sphericity specification grade of mechanical sand Sphericity index γ (%) QⅠ ≤ 120 QⅡ 120–130 QⅢ ≥ 130