ISO 15512-2019

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Plastics — Determination of water

content

Plastiques — Dosage de l'eau

INTERNATIONAL

STANDARD

ISO

15512

Fifth edition

2019-05

Reference number

ISO 15512:2019(E)





















Website: www.iso.org



ISO 15512:2019(E)

Foreword ..........................................................................................................................................................................................................................................v

Introduction ................................................................................................................................................................................................................................vi

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 2

3 Termsanddefinitions ..................................................................................................................................................................................... 2

4 Method A — Extraction with anhydrous methanol .......................................................................................................... 2

  ........................................................................................................................................................................................................ 2

 ........................................................................................................................................................................................................ 2

  .................................................................................................................................................................................................... 2

  ............................................................................................................................................................ 

  ....................................................................................................................................................... 

  ............................................................................................................................................................... 

  .................................................................................................................................................................................................... 

  ........................................................................................................................................................................... 

  ................................................................................................................................... 

  .................................................................................................................................................................... 

  .......................................................................................................................................................................... 

  ....................................................................................................................................................................................................... 

5 Method B1 — Water vaporization using a heating tube oven ............................................................................... 4

  ........................................................................................................................................................................................................ 

 ........................................................................................................................................................................................................ 

  .................................................................................................................................................................................................... 5

  ............................................................................................................................................................ 

  .................................................................................................................................................................................................... 

  ........................................................................................................................................................................... 

  .......................................................................................................................................... 

  ........................................................................................................................................................... 

  .................................................................................................................................................................... 

  .......................................................................................................................................................................... 

  ....................................................................................................................................................................................................... 9

6 Method B2 — Water vaporization using a heated sample vial ............................................................................. 9

  ........................................................................................................................................................................................................ 9

 ........................................................................................................................................................................................................ 9

  .................................................................................................................................................................................................10

  ......................................................................................................................................................... 11

  ................................................................................................................................................................................................. 12

  ....................................................................................................................................... 12

  .......................................................................................................................................................... 12

  ................................................................................................................................................................. 12

  ....................................................................................................................................................................... 

  .................................................................................................................................................................................................... 

7 Method C — Manometric method ....................................................................................................................................................15

  ..................................................................................................................................................................................................... 15

 ..................................................................................................................................................................................................... 15

  .................................................................................................................................................................................................15

  ......................................................................................................................................................... 

  ................................................................................................................................................................................................. 

  .......................................................................................................................................................................... 

  .......................................................................................................................................................................... 

  .......................................................................................................................................................................... 

  ................................................................................................................................................................. 19

  ....................................................................................................................................................................... 20

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标签： #ISO

摘要：

ISO 15512-2019 是一项国际标准，详细规定了塑料材料中水分含量的测定方法，适用于热塑性塑料、热固性塑料以及可溶性聚合物等多种类型。该标准在2019年进行了修订与更新，重点改进了气相色谱法、卡尔·费休滴定法和红外干燥法等测试技术的适用性及精确度，以确保在不同工业环境下对聚合物含水率的可靠评估。水分含量对塑料的加工性能、力学强度以及最终产品的质量具有决定性影响，准确执行 ISO 15512-2019 有助于制造商优化注塑、挤出等工艺参数，降低气泡、裂纹等缺陷风险，同时满足进出口贸易中的合

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ISO 15512-2019

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