The NEMA LI 1 standard, developed by the National Electrical Manufacturers Association (NEMA), has long served as the cornerstone for defining the manufacturing, testing, and performance requirements of industrial laminated thermoset products. From electrical insulation to aerospace components, this standard ensures materials meet rigorous safety, durability, and functionality benchmarks. In this comprehensive guide, we explore its history, classifications, technical specifications, and evolving role in modern industries—while offering actionable insights for engineers, manufacturers, and procurement specialists. Read More

Discover how G10/FR4 materials enhance the reliability, insulation, and structural integrity of advanced medical devices including CT scanners, ultrasound equipment, and patient monitors. Read More

In the ever-evolving marine industry, the need for durable, high-performance components has never been greater. As a leading manufacturer of epoxy fiberglass tube stern tubes, we are at the forefront of innovation, offering advanced composite solutions that set new standards for marine propulsion systems. This article explores the revolutionary benefits of epoxy fiberglass tube stern tubes, their manufacturing process, and why they are the optimal choice for modern shipbuilding. Read More

Impeder technology plays a critical role in high-frequency electromagnetic systems by ensuring optimal energy concentration and effective thermal management. At the heart of this technology is the impeder jacket（impeder case）—a protective outer shell that safeguards sensitive internal components from high temperatures and electromagnetic interference. Read More

Micarta is a high-performance composite material, crafted through a process known as high-pressure lamination. It is made by layering sheets of materials such as cotton fabric, canvas, linen, paper, or fiberglass, then bonding these layers with thermosetting resins like phenolic or epoxy. Once layered, the material undergoes extreme heat and pressure, creating a dense, solid laminate that is both highly durable and visually appealing. This unique composition gives Micarta its renowned properties: strength, moisture resistance, and the ability to endure high temperatures. Read More

In the world of vacuum pumps, particularly in rotary vane and dry vacuum pumps, selecting the right vane material is essential for performance, durability, and efficiency. Insulation materials like G10, G11, and FR4 are popular choices for vacuum pump vanes due to their unique properties, such as high insulation, durability, and wear resistance. Read More

When choosing materials for a multi-functional workbench surface, phenolic sheets and Bakelite offer an excellent combination of durability, stability, and versatility. These materials provide robust surfaces that cater to a variety of industries, from electronics and engineering to arts and crafts. Thanks to their resistance to chemicals, heat, and general wear and tear, phenolic sheets and Bakelite have become trusted choices for crafting, mechanical, and electronic applications where reliable performance is essential. Read More

Novotex and Pertinax are two widely used laminate materials known for their durability and versatility. While both are phenolic resin composites, they differ significantly in their composition, properties, and areas of application. In this article, we will explore these two materials in detail to help you understand their unique features and ideal uses. Read More

In electric vehicle (EV) manufacturing, insulation sheets are crucial for ensuring battery safety, efficiency, and longevity. These sheets prevent short circuits, provide thermal stability, and act as protective barriers in high-voltage battery modules. This article explores the materials, types, and primary functions of insulation sheets in EV battery assembly, with a focus on FR4, G10, G11, and GPO3, highlighting their individual benefits and applications. Read More

​Transformers are vital components in electrical systems, responsible for adjusting voltage levels and ensuring efficient energy distribution. To maintain their performance and safety, reliable insulation materials are crucial. Insulation sheets, such as Epoxy sheets (G10, G11, FR4) and Bakelite sheets, play a fundamental role in protecting transformers from electrical faults, mechanical stress, and heat. Read More

​Switchgear systems play a critical role in controlling and protecting electrical circuits. To ensure their safe and reliable operation, high-quality insulation materials are essential. Insulation sheets, such as Epoxy fiberglass sheets (G-11/FR-4) and Bakelite sheets, are widely used in these systems due to their excellent electrical insulation and structural properties. This article will explore the applications and advantages of these materials in switchgear, providing insights into why they are indispensable in the industry. Read More

Sheet Molding Compound (SMC) is a high-strength, reinforced polyester material. It typically includes glass or carbon fibers suspended within a resin matrix such as epoxy, vinyl ester, or polyester. The combination of these fibers and resin creates a durable, lightweight, and cost-effective composite material. Read More

In the world of materials science, understanding the differences between thermoplastic and thermosetting materials is crucial. These two polymer types cater to diverse industrial applications, each offering unique properties that make them suitable for specific purposes. This article delves into the characteristics, applications, and differences of thermoplastics and thermosetting materials, providing a clear perspective for industrial and engineering needs. Read More

Mica tape is a unique and essential material with diverse applications across various industries. Known for its exceptional properties, mica tape plays a critical role in ensuring safety, durability, and efficiency in many systems. This article explores mica tape, highlighting its properties, manufacturing processes, applications, and benefits. Read More

​Copper-clad laminate (CCL) is a substrate coated with copper foil on one or both sides. It is commonly made by laminating materials such as fiberglass cloth, paper, or plastic with copper foil. In printed circuit sheet (PCB) manufacturing, CCL is essential for creating circuit connections while providing electrical and mechanical support. The thickness and quality of the copper foil can be customized to suit specific application requirements. Read More