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IndiaIn Q1 2025, PEI Unreinforced amorphous prices rose again to approximately 26,100 USD/MT Ex-Mumbai, registering a 0.96% increase from the previous quarter. The continued rise in pricing, although incremental, signalled growing confidence among buyers ahead of the fiscal year transition. The domestic market remained largely balanced, with supply channels operating smoothly and downstream demand showing moderate but persistent growth, especially in applications requiring thermal resistance and dimensional stability. The absence of major disruptions in feedstock supply also contributed to the market’s stability.
In Q4 2024, PEI Unreinforced amorphous prices further climbed to 25,853 USD/MT Ex-Mumbai, showing a 0.73% increase quarter-on-quarter. The price movement remained modest, indicating a stable yet firm demand environment, with the market benefitting from improved local processing activity and gradual normalization of supply chains. Additionally, consistent inquiries from the aerospace and electronics sectors helped support pricing, even as some buyers showed caution amid global raw material cost fluctuations.
In Q3 2024, the Polyetherimide (PEI) Unreinforced amorphous market in India (Ex-Mumbai) witnessed a gradual upward trend, with prices increasing to 25,665 USD/MT, reflecting a 0.69% rise from the previous quarter. This mild growth was supported by steady demand from key end-use sectors such as automotive, electrical components, and high-performance engineering plastics. Although global macroeconomic sentiment remained cautious, Indian converters continued to show interest in high-performance polymers for specialized applications, keeping the market buoyant.
In Q2 2024, the price of Polyetherimide (PEI) Unreinforced amorphous in India witnessed a marginal increase of 0.2%, indicating a slow but steady recovery in demand across key industries. The slight price uptick reflects improving industrial activity in sectors such as electronics, aerospace, and automotive, which rely on PEI for its high-performance properties. Supply chain stability, coupled with moderate fluctuations in the cost of raw materials like Bisphenol A, supported this marginal price increase. Additionally, global market dynamics and India’s dependence on imports for specialized PEI grades played a role in shaping the price movement. While the increase was minimal, it signals the beginning of a potential recovery phase for the Indian PEI market.
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Polyetherimide (PEI) is a high-performance thermoplastic known for its exceptional mechanical, thermal, and chemical properties. It is an amber, transparent polymer with a unique combination of heat resistance, high strength, and excellent dimensional stability. PEI is able to withstand continuous operating temperatures of up to 217°C, making it suitable for demanding applications in industries such as aerospace, automotive, electronics, and medical. Its flame retardancy, low smoke generation, and low toxicity further enhance its appeal in safety-critical environments. PEI also offers good chemical resistance to a wide range of solvents and acids, as well as excellent electrical insulating properties. Due to its inherent strength and ability to be injection molded or extruded, PEI is widely used in the production of components such as connectors, insulators, medical devices, and automotive parts. Despite its higher cost compared to some other engineering plastics, PEI’s superior performance justifies its use in applications where reliability and durability are paramount.
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PriceWatch Quotation Terms:
Ex-Location: This incoterm refers to a shipping agreement where the seller makes the goods available at their premises, and the buyer is responsible for all transportation costs, including shipping, insurance, and any other fees.
CIF: CIF refers to the Cost, Insurance, and Freight (CIF) terms for goods. Under CIF terms, the seller is responsible for the cost of goods, insurance, and freight charges until the goods reach the port of destination.
FD: FD stands for Free Delivered where the seller takes full responsibility for delivering goods to the location/port. This ensures the buyer receives the goods at the designated port with all necessary costs, except import duties, covered.
FOB: FOB refers to the Free On-Board shipping term, where the seller is responsible for the cost and risk of delivering the goods to the port. Once the goods are on board the vessel, the responsibility shifts to the buyer for all costs, including shipping and insurance.
| Property | Specification (ULTEM) |
| Tensile Stress, yield, 50 mm/min | 110 MPa (ISO 527) |
| Tensile Strain, yield, 50 mm/min | 6 % (ISO 527) |
| Tensile Strain, break, 50 mm/min | 50 % (ISO 527) |
| Tensile Modulus, 1 mm/min | 3200 MPa (ISO 527) |
| Flexural Stress, yield, 2 mm/min | 160 MPa (ISO 178) |
| Flexural Modulus, 2 mm/min | 3300 MPa (ISO 178) |
| Ball Indentation Hardness, H358/30 | 140 MPa (ISO 2039-1) |
Applications
Polyetherimide (PEI) is a high-performance engineering thermoplastic that finds applications across various industries due to its excellent mechanical, thermal, and electrical properties. In the aerospace industry, PEI is used for lightweight, flame-retardant components such as interior panels, seating, and electrical connectors. Its high heat resistance and chemical stability make it ideal for automotive applications, where it is used in under-the-hood components, sensors, and electrical systems. In the electronics sector, PEI is utilized for connectors, insulators, and printed circuit boards due to its excellent dielectric properties and dimensional stability under high temperatures. The medical industry leverages PEI for sterilizable medical devices and equipment, as it withstands repeated autoclaving without degradation. Additionally, industrial applications include its use in fluid handling systems, semiconductor manufacturing equipment, and other high-temperature, chemically aggressive environments. Its flame-retardant and low smoke emission characteristics also make it suitable for use in mass transportation systems. PEI’s versatility extends to consumer goods, where it is used in high-performance appliances, food service equipment, and kitchenware that require durability and high heat tolerance.
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