- Tel:0086-0523-87360106
- Cel:0086-18914408040 /13914429808
- E-mail:2370108759@qq.com
- Add:Heshi Town Industrial Zone, Taixing City, Jiangsu Province
What is a qualified polypropylene high-strength yarn?
1. Qualified polypropylene high-strength yarns need to have quite high tensile strength, up to 70.6cN/tex (8g/d).
2. The density of qualified polypropylene high-strength yarn is 0.91, which is lighter than water.
3. Qualified polypropylene high-strength yarn has better thermal insulation performance, with a thermal conductivity of 0.1~0.3J/m·s·K.
4. The strength of qualified polypropylene high-strength silk products will not decrease in water, because the moisture absorption rate of polypropylene high-strength silk is zero, so the wet strength is equal to the dry strength.
5. Qualified polypropylene high-strength yarn has excellent chemical resistance. Compared with the chemical resistance, acid resistance and alkali resistance of various fibers, polypropylene fiber is worse than polyester, nylon, Acrylic, vinylon, etc.
6. Qualified polypropylene high-strength yarn is not eroded by insects and bacteria, and has outstanding resistance to mildew and microorganisms.
7. If the qualified polypropylene high-strength yarn is below 130℃, the measured strength will increase after the temperature rises. This is because polypropylene high-strength yarn has good thermoplastic properties. Its melting point is only 176 ℃, so it has poor heat resistance and thermal stability. Relatively speaking, this is the shortcoming of polypropylene.
8. The abrasion resistance of qualified polypropylene high-strength yarns is also the same in wet and dry state. The flat abrasion resistance is close to nylon, and the bending resistance is slightly worse.
After reaching the above points, you can roughly judge whether the product is a qualified product.
Taixing Hongyang New Material Technology Co., Ltd. has a professional R&D and production team, introducing advanced technology and equipment, and is committed to producing high-quality polypropylene high-strength yarns, polypropylene air-changing yarns, polyester air-changing yarns, ribbons and other products! The company is still growing, and we look forward to working with you for a win-win cooperation!
If you want to know more product information, please contact: Liu Xuelian 18914408040 Website:http://www.hongyangxcl.com/
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Technical Support::China polypropylene network