ISO 11833-1:2019 プラスチック—非可塑化ポリ（塩化ビニル）シート—パート1：1 mm以上の厚さのシートのタイプ、寸法、および特性 | ページ 2

Foreword

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This document was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 11, Products.

This fourth edition cancels and replaces the third edition (ISO 11833-1:2012), which has been technically revised. The main changes compared to the previous edition are as follows:

• the title has been editorially revised to read"Plastics — Unplasticized poly(vinyl chloride) sheets — Part 1: Types, dimensions and characteristics for sheets of thickness not less than 1 mm";
• the"colour" requirements (former 5.3) have been incorporated with the"appearance" requirements in 6.2 (former 5.2);
• the requirements for measurement at any other temperature (t °C) than 23 °Chas been added to 7.3.1 (former 6.3.1);
• the method of handling the results of 7.4.1, 7.4.2 and 7.4.3 (former 6.4.1 to 6.4.3) have been added;
• “Testing of sheets with a thickness between 1,0 mm and <1,5 mm shall be subject between the interested parties” has been added in 7.5.1 (former 6.5.1);
• a new Table 7"Frequency and measurement positions of appearance tests and dimensional measurements" has been added and the subsequent tables have been renumbered..

A list of all parts in the ISO 11833 series can be found on the ISO website.

1 Scope

This document specifies the requirements for flat extruded sheets and pressed sheets of unplasticized poly(vinyl chloride) (PVC-U) and the test methods to be used to measure the required values.

It applies only to sheets of thickness not less than 1,0 mm.

It does not cover biaxially stretched PVC-U sheets.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

3 Terms and definition

For the purposes of this document, the terms and definitions given in ISO 472 apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses: