Elastic Weft Yarn

Elastic weft yarn is used as the weft yarn of tyre cord fabric for radial tires. It consists of PA66 yarn as the core and wrapped with cotton. Elastic weft yarn provides very good thermal stability and mechanical deformation resistance during the process of dipping, heat setting and tire molding. It has the characteristic of high initial tensile strength, good elongation and heat resistance property after dipping and thus enables the fabric to remain stable.

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FEATURES

01

High initial tensile strength

Enables dimension stable during fabric manufacturing

02

Outer layer protection

Reduces heat loss and mechanical damage

03

Heat resistance

Excellent thermal stability retains high breaking strength and elongation

04

Anti-deformation

Low heat shrinkage in dipping process

PARAMETERS

PRODUCT SPECIFICATION TABLE

PA66 Elastic Weft Quality Standard 20S/22S/26S
Yarn Specifications		Linear Density	Breaking	CV-Breaking	Elongation	CV-Elongation	240℃X4min Heat Resistance

							Breaking Strenght（CN)	Elongation Break(%)

20S	Standard	30±2	≥280	≤9%	≥220	≤11 %	≥180	≥180

	Test	29.5	378	3.60%	373	5.30%	301	252

22S	Standard	27±2	≥230	≤9%	≥200	≤11%	≥180	≥180

	Test	26.8	328	3.80%	281	5.60%	274	248

26S	Standard	24±2	≥210	≤9%	≥200	≤11%	≥180	≥180

	Test	24.7	276	4.10%	278	5.10%	252	251