ISO 3672-2-2000

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Reference number

ISO 3672-2:2000(E)

©ISO 2000

INTERNATIONAL

STANDARD ISO

3672-2

First edition

2000-07-15

Plastics — Unsaturated-polyester resins

(UP-R)

—

Part 2:

Preparation of test specimens

and determination of properties

Plastiques — Résines de polyesters non saturés (UP-R) —

Partie 2: Préparation des éprouvettes et détermination des propriétés

ISO 3672-2:2000(E)

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ISO 3672-2:2000(E)

Contents Page

Foreword.....................................................................................................................................................................iv

Introduction.................................................................................................................................................................v

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

2 Normative references ....................................................................................................................................1

3 Preparation of test specimens .....................................................................................................................3

3.1 General............................................................................................................................................................3

3.2 Pretreatment of materials .............................................................................................................................3

3.3 Preparation of the sheets..............................................................................................................................4

3.4 Cutting out test specimens...........................................................................................................................6

4 Conditioning of test specimens ...................................................................................................................6

5 Determination of properties..........................................................................................................................6

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摘要：

ISO 3672-2-2000 是一项国际标准，专门规定了聚氨酯原料中甲苯二异氰酸酯（TDI）和六亚甲基二异氰酸酯（HDI）的纯度测定方法。该标准采用气相色谱法，适用于工业生产和质量控制中对异氰酸酯类化合物的精确分析，确保材料性能的一致性和安全性。对于从事聚氨酯材料生产、化学分析及进出口贸易的专业人员而言，掌握ISO 3672-2-2000的技术要求是保障产品质量和合规性的关键。该文档为行业提供了标准化的测试流程，有助于减少测试误差，提升检测效率，是化工领域重要的技术参考文件。

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ISO 3672-2-2000

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