The materials have excellent chemical resistance, high strength and good resistance to burning. 4mm tight coated or semi loose configuration for range of optical fibers including High temperature acrylate, polyimide and silicone coated for Single mode . What are the main benefits of using PEEK in cables? Of all the materials we use at Habia, PEEK (also known as HFI 260) is one of the most impressive all-round high-performance insulations. Its fire, smoke and chemical resistance properties compare favourably with the likes of ETFE and PTFE, as does. Polyether ether ketone, or PEEK, is a high-performance engineered polymer with excellent heat tolerance and one of the highest strength-to-weight ratios of any thermoplastic. PEEK's. CITCABLE have optimize 100% PEEK coating process to stabilize PEEK during extreme temperature fluctuations. This stabilization allows the optical fiber to retain PEEK's strain transfer and optical properties while being free of compression-induced attenuation normally seen during temperature. PEEK fibre is a durable fibre with a high tensile strength, which is widely used in wire harnesses and hose braiding applications. CIT PEEK reinforced optical fiber cable is ruggedized to protect against abrasion and physical.