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2025-11

What raw materials are polyester sewing threads made from?

The primary raw material for polyester sewing thread is polyethylene terephthalate (PET), which is a synthetic fiber.

The primary raw material for polyester sewing thread is polyethylene terephthalate (PET), which is a synthetic fiber. According to its structure, it can be classified as follows:

Short-fiber type: Made from polyester short fibers, it has lower costs but slightly lower strength.
Filament type: Uses polyester filament directly, offering higher strength (second only to nylon thread).
Core-spun type: Uses polyester filament as the core, with other fibers wrapped around it to enhance performance.

Special types, such as polyester-cotton yarn, are blended with 65% polyester and 35% cotton, while high-strength yarn may be produced using a purified spinning process.

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Hai'an County Zhongxiang Wire Industry Co., Ltd.

0086-13506296398

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Lu Jing 0086-13016780108

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