US PSF Prices Firm Despite Weak Feedstock and Downstream Demand

US PSF Prices Firm Despite Weak Feedstock and Downstream Demand

Molière 06-Jan-2026

In December 2025, prices for Polyester Staple Fiber (PSF) increased in the US market, reflecting tight supply conditions and rising import costs from overseas markets due to high productions costs. Though the demand for the PSF from the downstream market remained limited.

The US PSF prices increased by x.xxx in December xxxx, but the support from the cost side was limited due to weak domestic feedstock prices domestically. On the feedstock side, Mono Ethylene Glycol (MEG) prices dropped by x.xxx, while Purified Terephthalic Acid (PTA) prices were unchanged during the month. The US PSF market remains largely import-dependent, particularly on Asian suppliers, which amplified the impact of external pricing movements during the month.

Overseas supply, particularly from Asia, dominates the US PSF market. However, inflows of PSF from China were deterred by trade complications and tariff-related obstacles during the period. Thus, US buyers turned to alternative Asian suppliers such as South Korea, Taiwan, Vietnam and Thailand, reorienting regional PSF trade flows.

Tight supply pattern emerged as raw material PTA price was high, supported by robust cost support. PTA prices were bolstered by rising production costs, decreasing operating rates due to plant...

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