spandex yarn price 20D 30D 70D 100D 140D AA grade knitting yarns

As the famous spandex producer in China, our product is famous for its excellent performance, stable quality and full specifications. Our spandex yarn series can be used to knit, cover, weave, etc.

Our products range is from 20D to 2000D, and regular deniers in continuous production is 20D, 30D, 40D, 70D, 140D, 210D, 280D, 420D, 560D, 840D, 1120D. We also can produce any Denier within our range according to customer’s special request. Due to rich production experience and strong technical force, we can produce and supply semi-dull type, black bare type spandex yarn.

Our spandex yarn is famous for its excellent performance, stable quality and full specifications. The application for spandex yarn very widely, like covering, knitting and weaving, and final use for socks, underwears, pantyhose, tights, etc.

Attention: The above parameter is for reference only and without any technological and legal responsibilities. Different measuring instrument will product the error.

2. Use & storage

1.Different lot number and production date can not blend together before confirmation. Spandex with the same lot number, similar size and nearly produced date is recommended.

2.It is necessary to keep temperature and moisture at stable levels in the whole process. The best temperature for workplace conditions is: 25 °C ± 3°C for temperature; 60%--70% for RH.

3.It is not fitful to put spandex in isolation; to store with such chemical products as sulfur dioxide and nitrogen oxide, which would lead to decomposition.

4.The suggested storage limit is within 6 months for below 70D and 12months for above 70D.

5.Before placed on the machine, they shall be balanced for 12-24 hours in the workshop for better effect.

3. Dyeing & Finish

1.Under the high temperature condition, strength and stress of spandex yarn will decline to a certain extent and have different resilience. In order to ensure the fabric quality of the finished cloth, attention shall be paid to the dyeing and finishing conditions.

2.In the dry state at 185℃ without tension, the action time shall be less than 50 seconds.

3.In the wet state at 130℃without tension, the heat preservation period shall be less than 30 minutes.

4.The PH value of dyeing liquid shall be controlled between 3 and 10. The dyeing liquid shall be acidic (PH<7) for polyester and nylon fabrics and alkaline (PH>7) for cotton fabric. In the process of operation, it is strictly prohibited to use aromatic solvents, bleach containing active chlorine (such as sodium hypochlorite), alkaline and unsaturated oil and fat (such as linseed oil, animal oil, etc.), heavy metal salt (aluminum, chromium, zinc, etc.), benzoic acid dye intermediates, etc.

Attention:The above parameter is for reference only and without any technological and legal responsibilities. Before utilizing any spandex with new lot number, it is necessary to make specific tests according to different purpose and determine best parameter for crafts.

4.PACKING & SHIPPING:

Packing Details

5.Why choose us:

1. Experts: We have best American experts come from Dupont Company in spandex industry

2. Raw material: Oil imported from Japan.

3. Equipment: Japanese TMT winder, German MAHR pump, American SPINTRAK, ETC.

4. Our spandex's quality is stable and reliable.

It not only has high elasticity, recovering power and high uniformity, but also has properties of high tenacity, high elongation and excellent durability.

5. Over 10 years manufacture experience.

6. Good After-sales service, because we have own technical division.

6. Our Services:

•  24 hours online service. Your inquiries or questions can be replied swiftly.


• Over 16 years of experience in yarn industry.


• Strict quality control and process traceability, leading to qualified products.


• Large capicity: More than 200 machines for making over 300 tons of spandex covered yarn per month.


• Factory price.


• Located in socks industry science and technology park, conveniently cooperate with customers for solving problems and developing new products.

7. Pictures for your reference: