... . 200m per roll or 5.8m Product Introduction: eletrical communication cable pe pipeOD: 16, 20, 32, 40, 50, 63, 75, ... 100. Specifications:Applies to the piping system of communication electrical cable protective. Color: Black is the base color, color code on ... bubbles, cracks; closely fused silica core wall, no excuse phenomenon; external wall of products identify complete and clear.2. ring-stiffness ...