Phenolic Paper-base Laminated Tube PFCP22A(IEC) Class E Phenolic Cloth-base Laminated Tube PFCC21A/24A Class E Epoxy Laminated Glass Cloth Tube EPGC21/22 Class B/F Silicone Laminated Glass Tube SIGC21 Class H Bismaleimide Laminated Glass Cloth Tube BMIGC21 Class H Epoxy Glass Fiber Winding Tube EPCF52 Class H Modified Diphenyl Ether Laminated Glass Cloth Tube Class H Polyester Imide Laminated Glass Cloth Tube Class H Non-circular Tube (square tube, oval tube) Description: 3520(é??é??å±?å??纸管) This product has good mechanical and electrical properties. It can be used for motor and electrical equipment and also can be used in transformer oil. 380/380A (é??é??æ£?å¸?å±?å??管) The product has higher radial tensile strength. It can be used as support structure and wear-resistance parts of seals or bears. EPGC21/22ã??355ã??356ã??SIGC21ã??BMIGC21 With good dielectric property and machinability, the product can be used as components of insulation structural of electrical equipment, and can also be made into coil insulation tube and insulation end coil of dry-type transformer. Epoxy Glass Fiber Winding Tube 360 EPCF52 Description: This product adopts fiber glass yarn that is impregnated with insulation jelly made of epoxy resin and other resins by certain proportion, and then it is rolled in wet method, and dried and finally consolidated by baking. Its heat resistance level is up to Class H, and it also has excellent electrical and mechanical properties, chemical resistance (SF6), low dielectrical loss, no deformation or delamination. It can be used as main insulator on H grade dry-type transformer, load tap changer, electricâ??reactor, lightning arrestor, SF6 inductor, etc. 5. Non-circular Tube (square tube, oval tube) Class F/H Description: Non-circular tube is made of high temperature resistant resin and fiber glass cloth or yarn that are rolled in the wet method, and then dried and finally consolidated by baking. It has excellent mechanical, dielectric and mechanical properties. It can be used as components of insulating structure of electrical equipment, and can be also used in transformer oil and in wet environment. It is suitable for transformer, reactor, etc.