News

  • Phenolic paper tubes: Production Process, Characteristics, and Industrial Applications

    Phenolic paper tubes are widely recognized as reliable insulating and structural materials across the electrical, mechanical, and industrial sectors. With their excellent balance of strength, thermal resistance, and dielectric performance, these composite tubes have become indispensable in modern electrical equipment manufacturing. As global industries continue to demand lightweight yet durable insulation materials, Phenolic paper tubes have emerged as a preferred choice due to their consistent performance, stable properties, and cost-effective manufacturing. As a specialized supplier of composite insulating materials, YILONG provides an in-depth overview of the characteristics, production process, and applications of Phenolic paper tubes.

    22-Dec-2025
  • What Is Bakelite Sheet? A Complete Guide to Properties, Manufacturing, and Industrial Applications

    Bakelite Sheet is a high-performance thermosetting laminate widely recognized for its durability, electrical insulation capability, and thermal stability. Produced from phenolic resin and reinforced with paper, cotton, or glass fabric, Bakelite Sheets have become indispensable in electrical, mechanical, and industrial engineering. Their combination of strength, heat resistance, and cost-effectiveness makes them one of the most reliable insulating materials in modern manufacturing.

    19-Dec-2025
  • Phenolic Cotton Sheet vs. Bakelite Sheet

    As industries continue to demand high-performance insulating materials with superior mechanical strength and thermal stability, phenolic cotton sheets and Bakelite Sheets remain two of the most widely used options. Although both materials are based on phenolic resin systems, their compositions, performance characteristics, and ideal application scenarios differ significantly. Understanding these distinctions helps engineers, designers, and procurement specialists select the most suitable material for their projects. This article provides a clear and professional comparison, offering valuable insights for anyone involved in electrical insulation, mechanical components, or industrial manufacturing.

    18-Dec-2025
  • A comprehensive Guide of Bakelite Sheets. What Is Bakelite Sheet, How It’s Made, and Why It’s Useful?

    Bakelite may be more than 100 years old, but it remains one of the most dependable engineered materials in today’s industrial world. First formulated by Leo Baekeland in 1907, this thermosetting phenolic plastic quickly became famous for its stability, heat resistance, and excellent dielectric performance. Today, Bakelite Sheets are widely used in electrical systems, mechanical assemblies, and high-temperature environments where reliability is essential.

    15-Dec-2025
  • The Future of electrical insulation materials: Key Development Trends Driving the Industry Forward

    As global industries continue to pursue greater efficiency, safety, and sustainability, the demand for high-performance electrical insulation materials is growing rapidly. From electrical engineering and renewable energy to transportation and industrial manufacturing, insulation products are playing an increasingly critical role in enabling reliable and efficient operations. This article explores the latest development trends in electrical insulation materials and how innovative manufacturers like YILONG are positioned to meet global market needs.

    12-Dec-2025
  • How About the Strength of Epoxy Fiberglass Tube?

    As industries push toward higher safety, lightweight structures, and long-term reliability, epoxy fiberglass tubes - often known as FRP tubes or epoxy glass fiber reinforced tubes - have become essential in electrical insulation, structural engineering, and mechanical reinforcement. Many engineers and buyers ask the same question: How strong is an epoxy fiberglass tube? This article explores the material’s strength, characteristics, applications, performance parameters, and why epoxy fiberglass tubes continue to gain market attention across global industries.

    10-Dec-2025
  • Carbon Fiber Reinforced PEEK Sheets: A Growing Force in High-Performance Engineering Materials

    As industries worldwide continue to advance toward higher efficiency and greater reliability, demand for lightweight yet ultra-strong materials is rising sharply. Among the high-performance polymer composites, Carbon Fiber Reinforced PEEK Sheets (CF-PEEK sheets) have emerged as one of the most sought-after materials due to their exceptional mechanical properties, chemical resistance, and stability under extreme conditions. This article provides an overview of CF-PEEK sheets, covering their characteristics, key parameters, applications, market outlook, and the advantages offered by YILONG’s carbon fiber PEEK products.

    08-Dec-2025
  • What Is the Difference Between Nylon Board and Bakelite Board in Insulating Materials?

    Nylon Boards and Bakelite Boards are two widely used materials in the insulation industry. Although both serve as effective electrical insulators, they differ significantly in composition, performance, and suitable applications. Understanding these differences helps engineers, buyers, and manufacturers select the right insulation material based on operating temperature, mechanical requirements, and environmental conditions.

    05-Dec-2025
  • Comprehensive Overview of 3241 Semiconductor Insulation Board: Properties, Applications, and Industry Value

    The 3241 Semiconductor Insulation Board, also known as Epoxy-Phenolic Glass Cloth Laminated Sheet, is a high-performance insulating material widely used in electrical and mechanical engineering. Manufactured with epoxy resin modified with phenolic resin and high-quality electrical-grade glass cloth, this material offers an ideal balance of insulation strength, heat resistance, mechanical strength, and anti-corona performance. Its stable performance at elevated temperatures and under high electrical stress makes it a preferred choice in many industrial applications.

    03-Dec-2025
  • Comparison Between 3240 and 3241 Epoxy Sheets

    3240 and 3241 Epoxy Sheets are high-performance laminated materials widely applied in electrical, industrial, aerospace, and automotive industries. Both are glass cloth-reinforced epoxy-phenolic laminates, but they differ in resin formulation and resulting performance, making each suitable for specific industrial requirements. Understanding these differences is crucial for selecting the most appropriate material for insulation, structural, or high-temperature applications.

    01-Dec-2025