Why special vehicles use polyurethane insulation materials


In response to the evolving dynamics of modern warfare and strategic needs, countries around the world are increasingly focusing on the development and production of specialized military vehicles. As technology advances and global political and economic landscapes shift, the equipment used on the battlefield is constantly being upgraded. These changes have not only driven military innovation but also spurred the growth of dual-use (military and civilian) special-purpose vehicles. There is a wide range of military and civilian special vehicles available today, covering nearly every possible application. For instance, both military and civilian cabin manufacturers are numerous, with over 50 companies operating within the country. Military cabins are typically constructed using a welded steel frame that meets strict strength standards set by national defense regulations. The surface is coated with a special anti-rust primer and topcoat in military green or camouflage colors, and they are equipped with high-security three-point locks for added protection. Customization options include window openings, internal partitions, and additional attachments as required. The outer and inner skins of these cabins are made from FRP plastic or special aluminum alloy plates, ensuring a seamless, durable finish. These materials provide excellent resistance to corrosion, salt spray, mold, and impact, while maintaining a smooth and professional appearance. The core insulation material is polyurethane, offering superior thermal and sound insulation properties. Military cabins are designed according to GJB870-90, a standard for military electronic equipment, making them suitable for transportation by road, rail, or helicopter, and capable of withstanding drop tests such as flat drops and falls. Medical cabins, in particular, play a vital role in mobile hospitals, field medical units, and wartime wards. They are built to ensure mobility, durability, and functionality under challenging conditions. Take refrigerated and insulated vehicles as an example. China currently has more than 30 manufacturers producing such vehicles, but only a few serve as key players in the military vehicle sector. One of the leading companies in this field is Zhenjiang Feichi Automobile Group Co., Ltd. Based in Zhenjiang City, Jiangsu Province, the company spans over 100,000 square meters and is known for its strong technical capabilities, advanced production equipment, and rigorous testing procedures. Feichi specializes in the design and manufacturing of various types of refrigerated and insulated vehicles, including mini, light, medium, and heavy-duty models, as well as vans, trucks, and specialty vehicles such as cooking cars, clothing carriers, and beverage transporters. These vehicles are built based on domestic and international chassis systems, and the company’s product variety, output, and quality place it at the forefront of the industry. It has been officially designated as a key manufacturer of logistics equipment by the General Logistics Department of the Chinese People's Liberation Army. This article is originally published by Langfang Zhongyang Insulation Materials Co., Ltd.: http://

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