The method adopts a double-layer co-extrusion technology of the PC material and the PBT material to prepare an extremely-tiny air blown optical cable, thereby enabling a loose tube (2) of the optical cable to have the advantages of two materials; furthermore, the method. The method adopts a double-layer co-extrusion technology of the PC material and the PBT material to prepare an extremely-tiny air blown optical cable, thereby enabling a loose tube (2) of the optical cable to have the advantages of two materials; furthermore, the method. BM-Rosendahl is the global supplier of production equipment for lead-acid and lithium-ion batteries. The portfolio ranges from solutions and equipment for enveloping, sleeving, wrapping & stacking, cast-on-strap to the assembly of automotive, motorcycle, industrial, and e-mobility batteries. A double-layer co-extrusion method for an extremely-tiny air blown optical cable. The method comprises the following processes: putting optical fibers in storage, coloring the optical fibers, coating for two times, carrying out SZ-stranding, and covering with an outer sheath. Our crossheads combine highest-quality tool steels & alloys with unique heat-treatment technologies and cutting-edge high precision manufacturing. Our technical experts are at your disposal for a. Cable Laying Up Series Cantilever Stranding Cradle Type Stranding Machine Bow Type Laying Up Drum Twister Extruding Series Extrusion machine Cable Packing Machine Coiling+Wrapping/Strip/Heat shrink Multiwire drawing machine Cable auxiliary equipment Cable Machine Accessory UV Irradiation. The EH-RF-20-DSL is a self-centering crosshead with the ability to adjust the material passage between tip and die. Jacketing,CATV - Coaxial cables - RG,Automotive wires,Building wires,Calibrated tubes,Flexible. A fully dry optical fiber cable can make the cable manufacturing processes more environmental friendly; and can connect to facility easily installation.