Rock wool roll felt is non combustible, fire-proof, pest proof, corrosion-resistant, asbestos free and has good chemical stability. It is a green environmental protection product, harmless to human body and the environment, easy to handle and transport and low maintenance cost. Rock wool felt is suitable for thermal insulation, heat insulation and sound insulation of large pipelines, boilers, containers, storage tanks and transmission pipelines. One side of rock wool felt is reinforced with 1-inch (25mm) wire mesh, and its firm binding force ensures that the rock wool will not be torn and damaged.