Polyamide 66 Daily Review: Downstream Purchases Based on Demand, Market Weakly Fluctuates

1 Today's Summary

①、 [Longzhong]5/18: International oil prices rose as the market worried that the deadlock in U.S.-Iran talks would be difficult to resolve and that improvements in navigation through the Strait of Hormuz were slow. NYMEXCrude oil futuresThe 06 contract rose by USD 3.24/bbl to USD 108.66/bbl, up 3.07%; the ICE Brent crude futures 07 contract rose by USD 2.84/bbl to USD 112.10/bbl, up 2.60%. China’s INE crude futures 2607 contract rose by RMB 30.9/bbl to RMB 672.3/bbl, and gained RMB 14.6/bbl in night trading to RMB 686.9/bbl.

②, Today, the domestic PA66 operating rate is 65%, and downstream buyers are cautious about following high prices, with supply and demand in a tug-of-war.

③、 Invista (China) Investment Co., Ltd. (Invista) announced that starting from 7:00 AM on May 1, 2026, the spot trading price of Dytek® Hexamethylenediamine (HMD) will be set at 27,000 RMB per ton. This price includes value-added tax and is applicable only to HMD contract orders that meet certain quantity requirements and are purchased from Invista's Yinglong plant under FCA terms.  

④, INVISTA (China) Investment Co., Ltd. The limited company (Invista) announced on Starting from 7:00 on May 1, 2026 Model: PA66 U4800 NC01 SS (7 The spot trading price of the Nylon 6,6 polymer ("U4800") in 50 kg packaging shall be determined in accordance with 23000 Yuan executed in RMB/ton. This price includes VAT and applies only to purchases of quantities greater than a certain amount from INVISTA Yinglong Plant under FCA terms. U4800 Contract order.

2 Spot Market Overview

Table 1 Domestic PA66 Price Summary (Unit: yuan/ton)

Based on the domestic PA66 engineering plastics-grade chip market, as cost-side pressure remains, domestic PA66 factory prices today are referenced at RMB 20,000-22,000/ton, stable compared with the previous trading day. 。 Adipic acid prices fluctuated and consolidated, while downstream buyers of PA66 chips showed clear resistance to high-priced cargoes, reflecting insufficient confidence in the industry.Market circulation prices for industrial and plastic-grade chip spot cargoes and small-lot orders remain in a stalemate and fluctuate within a narrow range, referentially at RMB 21,000–21,500/mt. The overall industryThe mentality is weak, and the atmosphere for high-priced transactions in the market is generally lukewarm.

Figure 1 2022-2026 Domestic PA66 Price Trend Chart (RMB/Ton)	Figure 2 2025-2026 Annual East China PA66 Price Trend Chart in China (RMB/ton)
Data source: Longzhong Information	Source: Longzhong Information

3 Production Updates

Today, the domestic PA66 operating rate is about 65%. With expectations of a long-term decline in industry supply, enterprises are facing increasing inventory pressure. In terms of profits, raw material cost pressures remain, and domestic PA66 is expected to continue operating at a loss in the short term.

Figure 3 2025-2026 Annual Trend Chart of Domestic PA66 Capacity Utilization Rate	Figure 4 2025-2026 Annual Comparison Chart of Domestic PA66 Profit and Price (yuan/ton)
Data source: Longzhong Information	Source: Longzhong Information

4 Price Prediction

Supply and demand are both weak and in contention, with cost support coexisting alongside demand suppression, leaving the overall market in a weak stalemate. The domestic PA66 market is expected to fluctuate weakly in the short term.

5 Relevant Product Information

Adipic Acid Market: The reference price for adipic acid in the East China market is RMB 8,800–9,300/ton delivered by acceptance, stable compared with yesterday. Today in East China.Adipic Acid MarketConsolidation and digestion. Market participants are hesitant in their operations, and quotations in the trading market remain largely stable with slight fluctuations. End users are entering the market cautiously, mainly digesting existing inventories, with follow-up purchases focused on rigid demand, while the center of negotiations fluctuates within a narrow range.

Table 2 Overview of Domestic PA66 Data (Unit: 10,000 tons)