PBT Market Intelligence Report (May 27, 2026)

I. Price Trends
1. Recent Price Volatility
- On May 22, 2026, the national average price of PBT in mainstream markets stood at RMB 18,612.5 per metric ton, down RMB 50/ton (?0.27%) from the previous day, marking three consecutive days of narrow-range decline.
- In the East China market, the price range for bulk-grade PBT was RMB 8,100–8,300/ton, slightly softer than the beginning-of-month range (RMB 8,200–8,350/ton), primarily due to a pullback in BDO (1,4-butanediol) prices.

2. Cost-Driven Factors
- BDO (1,4-Butanediol): Following a 23.6% increase in the East China spot price between December 2025 and March 2026, BDO prices have recently retreated to RMB 8,100–8,300/ton amid restarts of previously idled production facilities and sluggish downstream demand—representing a decline of approximately RMB 300/ton from the April peak.
- PTA: The East China spot price rose 2.44% month-on-month in May; however, cost pass-through to PBT has been constrained, preventing corresponding price increases.

II. Supply-Demand Dynamics
1. Supply Side
- Capacity Expansion: The Phase II PBT compounding production line at Kingfa Technology’s Guangzhou base (adding 35,000 tons/year capacity) commenced operations in Q4 2025. Meanwhile, Polytec’s new Ningbo plant has obtained UL94 V-0 certification for thin-wall flame-retardant PBT, enhancing domestic supply capability for high-end grades.
- Operating Rates: Industry-wide capacity utilization remains above 82%, exceeding the average for general-purpose engineering plastics; however, some small- and medium-sized enterprises have curtailed output due to cost pressures.

2. Demand Side
- New Energy Vehicles (NEVs): Domestic NEV production in 2026 is projected to reach 12.5 million units, with per-vehicle PBT consumption rising to 6.5 kg (up from 5.8 kg in 2025), driving demand growth for high-voltage connectors and battery module brackets.
- Electronics & Electrical Appliances: Stable demand persists for high-flow, dimensionally stable PBT in 5G telecom equipment and LED lighting applications; however, procurement sentiment in consumer electronics remains cautious amid seasonal softness.
- Substitution Effects: PA6 exerts partial substitution pressure on PBT due to its superior fatigue resistance and lower density, while glass-filled PET gains traction in micro-components. Nevertheless, PBT retains irreplaceable advantages in flame-retardant and high-heat applications.

III. Key Market Drivers
1. Policy Support
- The “14th Five-Year Plan for the Development of New Materials Industry” identifies high-performance modified engineering plastics as a priority sector; central government R&D subsidies for lightweight automotive materials totaled over RMB 420 million during 2025–2026.
- The EU’s new Battery Regulation mandates that, starting August 2026, battery systems must incorporate engineering plastics containing ≥12% recycled content—accelerating PBT’s transition toward bio-based monomers (e.g., FDCA) and copolymerization technologies using recycled PET.

2. Technological Advancement
- Short-glass-fiber-reinforced PBT (30% GF) sees growing demand in industrial automation equipment; its 2026 market size is forecast at RMB 12.98 billion (up 8.2% year-on-year), with domestic high-end grade self-sufficiency reaching 61.5%.
- Hybrid reinforcement formulations—including glass fiber + carbon fiber—and synergistic flame-retardant systems (e.g., glass fiber + nano-alumina) have entered pilot-scale testing and are expected to generate an incremental output value of RMB 430 million in 2026.

IV. Risks & Challenges
1. Raw Material Price Volatility
- BDO prices face heightened volatility due to natural gas cost fluctuations and overseas plant maintenance outages—compressing gross margins for midstream compounders.
- PTA pricing remains exposed to crude oil price swings and geopolitical risks, posing potential upward cost pressure.

2. Environmental Compliance Pressure
- Industrialization of bio-based BDO routes is accelerating; companies without green chemistry capabilities may encounter rising regulatory compliance thresholds.

V. Outlook (Q3–Q4 2026)
1. Price Trend
- Short-term (1–2 months): PBT prices are likely to continue their narrow-range decline, pressured by weakening BDO prices and seasonal demand softness; the mainstream price range is expected to be RMB 18,300–18,800/ton.
- Medium-to-long term (6–12 months): Robust demand from NEVs and 5G communications, coupled with accelerated domestic substitution, should support price stabilization and recovery in Q4; the full-year average price is projected to rise ~7.2% year-on-year to RMB 13,790/ton.

2. Industry Opportunities
- Premium Customization: Companies focusing on automotive-grade, high-temperature-resistant, and low-warpage PBT solutions (e.g., Kingfa Technology, Polytec) demonstrate stronger earnings resilience.
- Green Transformation: Enterprises achieving >15% application ratio of bio-based PBT and recycled feedstock (e.g., Silver Century Technology) will benefit from policy incentives and customer premiums.

3. Investment Recommendations
- Prioritize industry leaders with end-to-end R&D capabilities, IATF 16949 certification, and high recycled-material utilization ratios.
- Exercise caution regarding overcapacity risk in commoditized general-purpose PBT grades; instead, focus investment on high-value-added segments such as NEV high-voltage connectors and creep-resistant structural components for industrial automation.