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Fiberglass Pipe Wrapping Tissue JW-GDM tissue is used as basic material for anti-corrosion wrapping on steel pipelines that buried underground for oil or gas transportation. It is characterized by high tensile strength, good flexibility, uniform thickness, solvent resistance , moisture resistance , and flame retardation. it is well compatible with impregnation bitumen or coal tar enamel the oil of gas pipelines wrapped by JW-GDM tissue pre-impregnated with bitumen or coal tar enamel acquire capabilities against leakage so that the cost for maintenance and replacement can be reduced significantly and the life time of pile-line may be prolonged up to 50-60 years authoritative tests have proven that the technical target of JW-GDM series can all meet or surpass the technical specification stated in SY/T0079,the oil and gas industry standard of the peoples republic of china and meet the requirement in the specification of AWWA C 203aswell this tissue is an ideal base material as inner wrap or outer wrap or outer wrap impregnated by bitumen of coal tar enamel JW-GBM SERIES Model and characteristic ItemUnit TypeJW-GBM50JW-GBM60JW-GBM90Linear density of reinforcement yarnTex34-6834-6834-68 Space Between Yarnsmm3030 30 Area Weightg/m250.6090Binder Content%16 1616Thicknessmm0.550.630.78Tensile Strength MDN/5cm≥200≥220≥280Tensile Strength CMD N/5cm≥75≥90≥140Standard MeasurementWidth X LengthRoll DiameterPaper Core Internal Diam×mcmcm1.0×2500117151.0×2000117151.0×150011715