化工新材料周报：制冷剂价格维持高位，维生素价格走弱

Investment Rating - The report maintains a positive outlook on the basic chemical industry [1] Core Views - Refrigerant prices remain high, enhancing profitability; companies such as Juhua Co., Ltd. and Sanmei Co., Ltd. are recommended for attention [5] - The low-altitude economy and robotics industry are moving towards commercialization, increasing demand for new materials and lightweight materials such as carbon fiber and ultra-high molecular weight polyethylene [5] Summary by Sections 1. Key Sub-industry and Product Tracking - Refrigerants: Prices remain high, with R22 at 36,000 CNY/ton, R32 at 49,000 CNY/ton, R125 at 45,000 CNY/ton, R134a at 47,500 CNY/ton, and R142b at 27,000 CNY/ton, all stable compared to last week [3][12] - Vitamins: Prices continue to decline, with Vitamin A at 65 CNY/kg (down 4.41% week-on-week) and Vitamin E at 105 CNY/kg (down 1.41% week-on-week) [4][12] 2. Electronic Chemicals - The electronic chemicals sector is characterized by high technical barriers and a high degree of market segmentation, with a focus on wet electronic chemicals, photoresists, and CMP polishing materials [14][16] 3. New Quality Productivity - Carbon Fiber: A high-strength material with applications in wind power, photovoltaics, and aerospace, experiencing a price stabilization after a decline [35] - Ultra-high molecular weight polyethylene (UHMWPE): Known for its superior strength and durability, it is a high-tech product with significant technical barriers [39] - PEEK materials: Demand for PEEK has grown significantly, with a compound annual growth rate of 42.84% from 2012 to 2021 [40] 4. Lithium Battery/Storage Materials - Conductive agents: Prices for multi-walled carbon nanotube powder are at 64,000 CNY/ton, while conductive paste is at 27,500 CNY/ton, both showing a downward trend [43] - Sodium battery materials: Prices for Prussian blue compounds are at 45,000 CNY/ton, and hard carbon negative materials are at 70,000 CNY/ton, with recent price stability [45] 5. Photovoltaic/Wind Power Materials - EVA prices have shown slight rebounds, with the market average at 11,143 CNY/ton, indicating a stable market environment [50] 6. Bio-based Materials and Energy - Biodiesel prices are stable at 8,100 CNY/ton, while sustainable aviation fuel (SAF) is priced at 1,757 USD/ton [62] 7. Renewable and Modified Plastics - The demand for recycled plastics is increasing, with a notable rise in the proportion of recycled materials in plastic packaging from 4.8% in 2018 to 10.0% in 2021 [64] 8. Coatings, Inks, and Pigments - The demand for new functional coating materials is growing, driven by the rapid development of wearable devices and smart home appliances [71]