Global Polyimide Pricing: Index Trends, News, Demand and Forecast In China, polyimide prices came under significant pressure throughout the quarter. The Polyimide Price Index fell by 13.42% quarter-over-quarter, reflecting ample domestic supply and heightened competition among producers. Expanded operating rates at local PI film facilities, coupled with slower-than-expected export offtake, resulted in elevated inventories. The average polyimide price during Q3 2025 stood at approximately USD 19,133.33 per metric ton on an FOB Qingdao basis. Polyimide spot prices softened steadily as manufacturers and traders offered discounts to clear stocks, particularly for standard film and substrate grades. Get Real time Prices for Polyimide: https://www.chemanalyst.com/Pricing-data/polyimide-1579