HTS Chapter 55 — Man-Made Staple Fibers Tariff Rates (2026)

Encompasses synthetic and artificial staple fibers, their yarns and woven fabrics, including polyester, nylon, and acrylic staple products.

Rate Overview

8.5%

Avg MFN Rate

10%

Section 122

N/A

Section 232

7.5-100%

Section 301 (China)

Key Headings in Chapter 55

HTS Code	Description	MFN Rate	Sec 232	Sec 301
5503	Synthetic staple fibers, not carded	4.3%	N/A	25%
5515	Woven fabrics of synthetic staple fibers	12%	N/A	25%
5501	Synthetic filament tow	7.5%	N/A	25%

Common Products

Polyester staple fiberAcrylic staple fiberNylon staple fiberViscose staple fiberBlended yarnWoven blended fabrics

HTS Chapter 55 covers man-made staple fibers, encompassing a wide range of products that enter the United States under various tariff classifications. Encompasses synthetic and artificial staple fibers, their yarns and woven fabrics, including polyester, nylon, and acrylic staple products. The average MFN (Most Favored Nation) duty rate for products in this chapter is 8.5%. Individual rates vary significantly within the chapter, ranging from duty-free to well above the average. In addition to MFN rates, all imports face the 10% Section 122 tariff (effective February 24, 2026, expiring approximately July 24, 2026). Chinese imports in this chapter face additional Section 301 tariffs ranging from 7.5% to 100%, depending on the specific product classification. Common products in this chapter include Polyester staple fiber, Acrylic staple fiber, Nylon staple fiber, Viscose staple fiber, Blended yarn, Woven blended fabrics. Related HTS chapters include Chapter 54, Chapter 56, Chapter 60, Chapter 61, Chapter 62, which cover similar or complementary product categories.

Frequently Asked Questions

What is the average tariff rate for HTS Chapter 55 (Man-Made Staple Fibers)?

The average MFN duty rate for man-made staple fibers is 8.5%. All imports also face the 10% Section 122 tariff. Chinese imports may face additional Section 301 tariffs.

What products are in HTS Chapter 55?

Chapter 55 covers man-made staple fibers, including Polyester staple fiber, Acrylic staple fiber, Nylon staple fiber, Viscose staple fiber, Blended yarn. Related chapters include Chapter 54, Chapter 56, Chapter 60, Chapter 61, Chapter 62.

Are man-made staple fibers subject to Section 232 or Section 301 tariffs?

Section 232 tariffs generally do not apply to products in this chapter. Chinese imports in this chapter face Section 301 tariffs of 7.5-100%.