GB/T 1303.4-2009 in English

《GB/T 1303.4-2009电气用热固性树脂工业硬质层压板 第4部分：环氧树脂硬质层压板》由TC51（全国绝缘材料标准化技术委员会）归口，主管部门为中国电器工业协会。
GB/T 1303的本部分规定了以电气用环氧树脂和不同补强材料制成的工业硬质层压板的分类和要求。本部分适用于电气用环氧树脂和不同补强材料制成的工业硬质层压板。

1 Scope

This part of GB/T1303 gives the classification and requirements for industrial rigid laminated sheets for electrical purposes based on epoxy resins and different reinforcements.

This part is applicable to industrial rigid laminated sheets for electrical purposes based on epoxy resins and different reinforcements Applications and distinguishing properties are given in Table 1.

2 Normative references

The following normative documents contain provisions which, through reference of GB/T1303, constitute provisions of this part. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this part. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest editions apply to this part.

GB/T 1303.1-2009 Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 1: Definitions, designations and general requirements (IEC 60893-1:2004, IDT)
GB/T 1303.2-2009 Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 2: Test methods

3 Classification

The sheets covered by this part are classified into types which differ in the reinforcement employed and in their distinguishing properties. The sheets are designated by:

—the GB standard number;

—a two-letter abbreviation denoting the resin;

—a second two-letter abbreviation, denoting the reinforcement;

—a serial number;

Example of designation: Industrial rigid laminated sheet of type EP GC 201 is GB/T 1303 EP GC 201.

Foreword I
1 Scope
2 Normative references
3 Classification
4 Requirements
5 Test methods
6 Supply requirements