Extension testing method for hosiery
1 Scope
This document specifies the extension testing method for hosiery.
This document is applicable to the determination of the extension of all kinds of hosiery. Knitted pants, knitted socks can be executed with reference to this document.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions 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.
GB 6529 Textiles - Standard atmospheres for conditioning and testing
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
3 Terms and definitions
3.1
low cut ped socks (ship socks)
socks with a top at or below the ankle
3.2
anklet socks
socks with a top below the calf
3.3
knee-high socks
socks with a top below the knee
3.4
stockings
socks with a top above the knee
4 Principle
Use the stretching instrument to stretch the specified part of sock at a constant stretching speed, stretch the tension to reach the specified force value, and record the extension.
Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test apparatus
6 Preparation of test samples
7 Test position
8 Procedures
9 Test report
