GB/T 3520-2024 石墨细度试验方法

ICS

73.080

CCS

Q51

中华人民共和国国家标准

GB/T3520—2024

代替GB/T3520—2008

石墨细度试验方法

Testmethodforfinenessofgraphite

2024-10-26发布2025-05-01实施

国家市场监督管理总局发布

国家标准化管理委员会

GB/T3520—2024

目次

前言

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Ⅲ

1

范围

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1

2

规范性引用文件

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1

3

术语和定义

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1

4

试样的采取和制备

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1

4.1

试样的采取

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1

4.2

试样的制备

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2

5

试验方法

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2

5.1

负压筛析法（测定范围：不小于38μm)

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2

5.2

振筛机法（测定范围：不小于38μm)

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3

5.3

激光衍射法（测定范围：不大于38μm）

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4

Ⅰ

GB/T3520—2024

前言

本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

定起草。

本文件代替GB/T3520—2008《石墨细度试验方法》。与GB/T3520—2008相比，除结构调整和

编辑性改动外，主要技术变化如下：

a）更改了适用范围（见第1章，2008年版的第1章）；

b）更改了“术语和定义”（见第3章，2008年版的第3章）；

c）增加了“试样的采取和制备”（见第4章）；

d）更改了“负压筛析法”（见5.1，2008年版的4.1）；

e）更改了“振筛机法”（见5.2，2008年版的4.2）；

f）增加了“激光衍射法”（见5.3）。

请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

本文件由中国建筑材料联合会提出。

本文件由全国非金属矿产品及制品标准化技术委员会（SAC/TC406）归口。

本文件起草单位：湖南顶立科技股份有限公司、成都方大炭炭复合材料股份有限公司、中国建筑材

料工业地质勘查中心山东总队、咸阳非金属矿研究设计院有限公司、碳一新能源集团有限责任公司、

新疆维吾尔自治区地质矿产勘查开发局第四地质大队