... to 4mm to be used in optical cables. Features: 1) Core rods length: according to customers' requirements2) No crack fault ... saw, mill, knife plane, drill, lathe and grinder for machiningSpecifications: 1) Length tolerance: ≤±1mm2) Nominal diameter: 2 - 9mm, 10 - ... : 0.05%6) Tensile strength: a) General: 1,680MPab) Acid resistance: 1,326MPa7) Flexural strength: a) General: 965MPab) Acid resistance ...