GB/T 27793-2024 抄取法无石棉纤维垫片材料

ICS

23.100.60

CCS

Q69

中华人民共和国国家标准

GB/T27793—2024

代替GB/T27793—2011

抄取法无石棉纤维垫片材料

Beateradditionnon﹘asbestossealingmaterials

2024-11-28发布2025-06-01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/T27793—2024

目次

前言

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Ⅲ

1

范围

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2

规范性引用文件

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3

术语和定义

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1

4

分类和标记

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1

4.1

分类

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1

4.2

标记

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2

5

技术要求

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2

5.1

材料

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2

5.2

外观质量

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2

5.3

尺寸偏差

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2

5.4

物理机械性能

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2

6

试验方法

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3

6.1

试样调节

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3

6.2

石棉含量的测定

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3

6.3

外观检查

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3

6.4

尺寸的测定

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3

6.5

密度的测定

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3

6.6

横向拉伸强度的测定

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4

6.7

老化系数的测定

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4

6.8

压缩率、回弹率的测定

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4

6.9

烧失量的测定

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4

6.10

蠕变松弛率的测定

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5

6.11

常温挠曲系数的测定

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5

6.12

浸渍IRM903油的测定

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5

6.13

浸渍ASTM燃料油B的测定

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5

6.14

浸渍蒸馏水+乙二醇（50∶50）的测定

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5

6.15

氮气泄漏率的测定

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7

检验规则

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6

7.1

检验分类

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7.2

组批原则

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6

7.3

抽样方法

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6

7.4

判定规则

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8

标志、包装、运输和贮存

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7

Ⅰ

GB/T27793—2024

8.1

标志

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8.2

包装

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7

8.3

运输

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7

8.4

贮存

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7

附录A（资料性）

本文件所列类别的产品对应GB/T20671.1的编码

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8

Ⅱ

GB/T27793—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/T27793—2011《抄取法无石棉纤维垫片材料》。与GB/T27793—2011相比，除

结构调整和编辑性改动外，主要技术变化如下：

a）更改了范围（见第1章，2011年版的第1章）；

b）更改了要素分类（见4.1，2011年版的3.1）；

c）更改了标记（见4.2，2011年版的3.2）；

d）删除了卷材的长度尺寸偏差（见2011年版的4.3.2）；

e）删除了厚度尺寸偏差中“如果用户有特殊要求时，按用户要求执行”（见2011年版的4.3.3）；

f）更改了物理机械性能指标（见5.4，2011年版的4.4）；

g）更改了外观检查（见6.3，2011年版的5.3）；

h）更