Phenolic cotton cloth laminated tube is formed by hot rolling,baking cotton cloth impregnated with phenolic resin under heat and pressure. insulation tube with mechanical and electrical application, The Insulation tube can be processed into all kinds of insulation parts, The products are widely used transformers, electric motors, cabinets, control boxes, electric switches, household appliances, railway, automobile, computer and medical appliance,etc,available for transformer oil.　　
　　 PFCC21 tube: With mechanical and electrical application, good processing, primarily intended for mechanical and high electrical applications, suitable as structural parts of mechanical and high electrical equipments.
　　PFCC22 tube: With mechanical and electrical application, primarily intended for mechanical and high electrical applications, suitable as structural parts of mechanical and electrical equipments.
　　PFCC23 tube: With mechanical application, primarily intended for mechanical applications, suitable as structural parts of mechanical equipments.
　　PFCC24 tube: Similar to PFCC21, with good mechanical processing, and can be finishing. mechanical use, suitable for structure components of mechanical equipment that require strict tolerance.

　　Length: 1000～1500mm
　　Inner Diameter: 10 ～500mm
　　Wall thickness:≥2mm