Pipeline case - insulation and preservatives are located in the wild, not only withstand winter cool summer heat, sun rain, wind and rain, air corrosion, external force impact and fire fever, but also due to internal blow and pressure fluctuations in pipelines Causes the pipe vibration. Weich soluble environmentally friendly fiber products, ceramic fiber blankets, textiles, and compressed thin plates can be widely used in pipeline insulation, with small thermal conductivity, low water absorption, good fire prevention performance, and ideal.