ICS

59.060.10

CCS

W30

中華人民共和國國家標準

GB/T5881—2024

代替GB/T5881～5889—1986

苧麻理化性能試驗方法

Testmethodsforphysicalandchemicalpropertiesoframiefiber

2024-07-24發布2025-02-01實施

國家市場監督管理總局發布

國家標準化管理委員會

GB/T5881—2024

目次

前言

·····································································································

Ⅴ

1

范圍

··································································································

1

2

規范性引用文件

······················································································

1

3

術語和定義

···························································································

1

4

取樣

··································································································

1

4.1

批樣

······························································································

1

4.2

實驗室樣品

······················································································

2

4.3

試驗樣品

·························································································

2

5

回潮率和含水率

······················································································

4

5.1

原理

······························································································

4

5.2

儀器和用具

······················································································

4

5.3

試驗步驟

·························································································

4

5.4

結果計算與表示

·················································································

4

5.5

試驗報告

·························································································

5

6

白度

··································································································

5

6.1

原理

······························································································

5

6.2

儀器和用具

······················································································

5

6.3

試驗步驟

·························································································

5

6.4

結果計算與表示

·················································································

6

6.5

試驗報告

·························································································

6

7

長度

··································································································

6

7.1

預調濕和試驗用標準大氣

········································································

6

7.2

儀器和用具

······················································································

7

7.3

試驗步驟

·························································································

7

7.4

結果計算與表示

·················································································

8

7.5

試驗報告

·························································································

9

8

線密度

································································································

9

8.1

原理

······························································································

9

8.2

試驗條件

·························································································

9

8.3

儀器和用具

······················································································

9

8.4

試驗步驟

·························································································

9

8.5

結果計算與表示

················································································

10

8.6

試驗報告

························································································

10

9

單纖維斷裂強度、單纖維斷裂伸長率

·······························································

11

Ⅰ

GB/T5881—2024

9.1

原理

·····························································································

11

9.2

試驗條件

························································································

11

9.3

儀器和用具

·····················································································

11

9.4

試驗步驟

························································································

11

9.5

結果計算與表示

················································································

12

9.6

試驗報告

························································································

13

10

束纖維斷裂強度

····················································································

13

10.1

原理

···························································································

13

10.2

試驗條件

······················································································

13

10.3

儀器和用具

····················································································

13

10.4

試驗步驟

······················································································

14

10.5

結果計算與表示

···············································································

14

10.6

試驗報告

······················································································

15

11

化學成分定量分析

·················································································

15

11.1

原理

···························································································

15

11.2

試劑

···························································································

15

11.3

儀器設備

······················································································

16

11.4

試驗步驟

······················································································

16

11.5

結果計算與表示

···············································································

17

11.6

試驗報告

······················································································

18

12

灰分含量

···························································································

18

12.1

原理

···························································································

18

12.2

儀器設備

······················································································

19

12.3

試驗步驟

······················································································

19

12.4

結果計算與表示

···············································································

19

12.5

試驗報告

······················································································

19

13

纖維素聚合度

······················································································

19

13.1

原理

···························································································

19

13.2

試劑或材料

····················································································

20

13.3

儀器設備

······················································································

20

13.4

試驗步驟

······················································································

20

13.5

結果計算與表示

···············································································

21

13.6

試驗報告

······················································································

22

14

原麻含膠率

·························································································

22

14.1

原理

···························································································

22

14.2

試劑

···························································································

22

14.3

儀器設備

······················································································

22

Ⅱ

GB/T5881—2024

14.4

試驗步驟

······················································································

23

14.5

結果計算與表示

···············································································

23

14.6

試驗報告

······················································································

23

15

精干麻殘膠率

······················································································

23

15.1

原理

···························································································

23

15.2

試劑

···························································································

23

15.3

儀器設備

······················································································

24

15.4

試驗步驟

······················································································

24

15.5

結果計算與表示

···············································································

24

15.6

試驗報告

······················································································

24

附錄A（規范性）

測定苧麻纖維素聚合度用ηr與[η]?C換算表

·····································

25

參考文獻

································································································

29

Ⅲ

GB/T5881—2024

前言

本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結構和起草規則》的規

定起草。

本文件代替GB/T5881—1986《苧麻理化性能試驗取樣方法》、GB/T5882—1986《苧麻束纖維斷裂強

度試驗方法》、GB/T5883—1986《苧麻回潮率、含水率試驗方法》、GB/T5884—1986《苧麻纖維支數試

驗方法》、GB/T5885—1986《苧麻纖維白度試驗方法》、GB/T5886—1986《苧麻單纖維斷裂強度試驗方

法》、GB/T5887—1986《苧麻纖維長度試驗方法》、GB/T5888—1986《苧麻纖維素聚合度測定方法》、

GB/T5889—1986《苧麻化學成分定量分析方法》，與GB/T5881—1986、GB/T5882—1986、

GB/T5883—1986、GB/T5884—1986、GB/T5885—1986、GB/T5886—1986、GB/T5887—1986、

GB/T5888—1986、GB/T5889—1986相比，除結構調整和編輯性改動外，主要技術變化如下：

a）更改了范圍（見第1章）；

b）增加了術語和定義（見第3章）；

c）更改了苧麻原麻、精干麻、苧麻球、開松麻、落麻的取樣方法、取樣數量的規定，細化了取樣

步驟（見第4章，1986年版GB/T5881的第2章、第3章、第4章、第5章）；

d）更改了回潮率和含水率試驗中樣品達到恒重條件的測試方法，增加了樣品的烘燥時間、數值修

約（見第5章，1986年版GB/T5883的第5章）；

e）更改了白度試驗樣品制備的方法、試驗次數、樣品質量；增加了白度變異系數計算公式（見第

6章，1986年版GB/T5885的第5章、第6章）；

f）更改了長度試驗的儀器設備及參數、測試方法及計算公式、結果計算與表示（見第7章，1986年

版GB/T5887的第4章、第5章、第6章）；

g）更改了線密度試驗的測試方法及計算公式（見第8章，1986年版GB/T5884的第5章、第6章）；

h）更改了單纖維斷裂強度試驗的儀器設備及參數、測試方法及計算公式、結果計算與表示（見第

9章，1986年版GB/T5886的第4章、第5章、第6章）；

i）更改了束纖維斷裂強度試驗的儀器設備及參數、測試方法及計算公式、結果計算與表示（見第

10章，1986年版GB/T5882的第4章、第5章、第6章）；

j）更改了化學成分定量分析方法試驗的儀器設備及參數、測試方法及計算公式、結果計算與表示

（見第11章，1986年版GB/T5889的第4章、第5章）；

k）更改了纖維聚合度試驗的儀器設備及參數、測試方法及計算公式、結果計算與表示（見第

13章，1986年版GB/T5888的第4章、第5章、第6章）。

請注意本文件的某些內容可能涉及專利。本文件的發布機構不承擔識別專利的責任。

本文件由全國纖維標準化技術委員會（SAC/TC513）提出并歸口。

本文件起草單位：湖南省纖維檢測研究院、四川省纖維檢驗局、東華大學、中國纖維質量監測中

心、四川梓潼林江苧麻紡織有限責任公司、湖北省纖維檢驗局咸寧分局、常德市纖維質量監測中心、

湖南華升股份有限公司、湖南工程學院、黑龍江省科學院大慶分院。

本文件主要起草人：胡小蓉、孫近、李嫻、徐貴勇、甘丹、舒桂芳、曹巧麗、張祚、趙瑞方、

張斌、杜龍、熊海鷹、郁崇文、劉芳、陳玲玲、唐文峰、陳雯、劉思婕、高書景、周衡書、余丹瑤、

吳大紅、孫宇峰、肖湘。

本文件及其所代替文件的歷次版本發布情況為：

Ⅴ

GB/T5881—2024

—1986年首次發布為GB/T5881—1986、GB/T5882—1986、GB/T5883—1986、GB/T58