... cable 12 core single mode fiber optic cables for telecommunication:Discription: 12 core SM 900μm tight buffer fiber + aramid yarn +LSZH (Low smoke, Zero ... halogen, Flame-retardant ) jacket. Features:1. Tight buffer fiber ease of stripping.2. The jacket anti-corrosion, anti-water, anti ... , yellow, and violet, pink, aqua.l Fiber type: B1-G.652, B1.3-G.652.D, B4-G655, A1-50/125μm ...