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GB/T 7690.4-2013Reinforcements -- Test method for yarns -- Part 4: Determination of stiffness (English PDF)

增强材料纱线试验方法第4部分：硬挺度的测定

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Issued by

Standardization Administration of China

Level / Type

National · Recommended

Issue date

September 18, 2013

Implementation date

June 1, 2014

Scope

GB/T 7690.4-2013 is the English-translated version of 增强材料纱线试验方法第4部分：硬挺度的测定.

GB/T 7690.4-2013 — GB/T 7690 provisions of this part of the determination of roving stiffness. This method is applicable to all types of reinforcing material roving, does not apply to structural yarn twist.

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Document preview — GB/T 7690.4-2013

National Standard of the People's Republic of China

ICS: 59.100.10
Classification: Q 36
Replacing: GB/T 7690.4-2001

Issued by: Standardization Administration of China

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies: roving stiffness determination. This standard applies to: all kinds of reinforcements rovings, does not apply to the structure of the yarn twist.

Document data

International classification (ICS): 59.100.10.

Chinese classification (CCS): Q36.

Estimated length of the Chinese original: 6,620 words.

Adopted international standard: ISO 3375-2009; MOD.

Supersedes the earlier edition GB/T 7690.4-2001.

Standards quoted by this document

ISO 291

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 291

Cited by

GB/T 18371-2008Continuous glass filament yarn

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