Thermally insulated plastic pipes in the nature of flexible plastic pipes for waste water use; Insulation jackets for industrial pipes; Pipe insulation for waste water pipes; insulation materials for steel, concrete, brick stone or GRP Pipes; pipe accessories mainly consisting of plastic being spirally wound into existing pipes to stop leakages; non-metallic flexible pipes made of polyvinyl chloride; Semi-finished plastic sheet materials in the form of strips for use in pipelines