- Sep 29, 2017 -
Sewing thread is an indispensable material for all textile industries. How to buy and customize sewing thread is the problem for all textile merchants.At present, the price of sewing thread in the market is huge, which makes it difficult for purchasers to judge the quality of sewing thread and the price.our factory has ten years of sewing thread production, processing, custom experience, to judge the quality of sewing thread has some experience.In order to understand the quality of sewing thread products, the following points are briefly listed below:
Different fabrics are used for sewing thread, nylon thread, pure cotton thread, polyester thread and polyester thread.Take on the market at present the most used polyester thread, polyester fiber has high strength, good abrasion resistance, dyeing, low price advantage, polyester staple fiber line (commonly known as cotton) is one of the most used clothing industry line, often said 402, 203 line is refers to the kind of line;
The polyester filament yarn (high strength line) is widely used in leather, luggage, shoes and other industries due to its high strength and luster. The common models are 150D, 300D, 500D, etc.There are many kinds of sewing thread materials in the market. We can choose the same materials according to the information provided by the sample or the customer.If 100% POLYESTER (POLYESTER line), the material on the market at present all the name is the same, but the price of the same material differs, is part of the sewing thread manufacturer adopted the principle of blending 60% POLYESTER + 40% recycled materials, so have a great advantage in price, but quality and tension has certain differences, and this kind of material is often short of standard testing.
Sewing thread customization
A, whether there is any hair or bead appearance in the appearance of the finished sewing thread, whether it is uniform or not, if it is not uniform, there is a joint in it.
B. The roughness of the finished sewing thread is uniform and used to determine whether there is a joint.
C. The finished sewing thread is formed normally and clearly marked.
Quality contrast of sewing thread
The tension strength of the sewing thread must be frequently tested by the instrument, and the tension strength of the thread will vary greatly due to the influence of raw material market factors.
Some customers, especially foreign trade customers very tall to the requirement of environmental protection, environmental protection sewing thread detection, in addition to sewing thread manufacturer to provide the relevant certificate, also must be strictly detection (can make the third party testing) spot check, and ensure the validity of the relevant certificates.
Expansion rate (elongation rate)
Sewing thread telescopic degrees has certain indicators, low-end sewing thread in your hands, when you use the hand, sewing thread will exhibit a degree of elasticity that easy to make sewing thread length, and can make the line and not up to the standard of the line specifications, this is because the sewing thread after high temperature without special craft processing.
Wear-resisting and high temperature
The wearability of sewing thread and high temperature resistance are also important characteristics.
It is easy to break the thread when sewing thread, which is the reason why the sewing thread has not reached the heat resistance.
Lack of twist and excess can be problematic.
When sewing thread is in the sewing thread, the phenomenon of beads and loose shares occurs because of the lack of twist during the twisting process, and the excessive twist will cause the strength to fall and tie knot.
The color fastness wants to achieve certain index, otherwise will have fade, fade wait for a problem.
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