GB/T 4668-1995: Textiles - Woven fabrics - Determination of number of threads per unit length

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Scope

This standard specifies three methods for the determination of number of threads per
unit length in woven fabrics. Any of the three methods may be used, the choice
depending on the character of the fabric. However, in case of dispute method A is
recommended.
This standard is applicable to the determination of number of threads per unit length in
various woven fabrics.
Method A. Dissection of fabric, suitable for all fabrics, in particular, complicated
weaves.
Method B. Counting glass, suitable for fabrics with more than 50 threads per
centimetre.
Method C. Traversing thread counter, suitable for all woven fabrics.
Note. Three methods using parallel line gratings, tapered line gratings and optoelectronic scanning density meter for
the determination of number of threads per unit length in woven fabrics have been given in Annex A (Informative) for
information. These methods have low measurement accuracy and limitation but can be used to give rapid and rough
estimates.

Basic Data

Standard ID	GB/T 4668-1995 (GB/T4668-1995)
Description (Translated English)	Textiles - Woven fabrics - Determination of number of threads per unit length
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	W04
Classification of International Standard	59.080.30
Word Count Estimation	7,791
Date of Issue	12/8/1995
Date of Implementation	5/1/1996
Older Standard (superseded by this standard)	GB 4668-1984; GB 8678-1988
Quoted Standard	GB 6529
Adopted Standard	ISO 7211-2-1984, NEQ
Issuing agency(ies)	State Bureau of Technical Supervision
Summary	This standard specifies three methods of measuring the density of the woven fabric. The fabric characteristics, the choice of one of them. However, in case of dispute, the proposed method A. This standard applies to the determination of various types of woven fabric density.