Terms and definitions CH-tube (semi-tight tube) without jelly 0.9 mm Standard tube for pigtails tube Ø 0.9 mm coloured fiber 250 µm dry Features • Easiest stripping up to 2 m • No cleaning (jelly-free) • No memory effect • High kink resistance F-tube (tight tube) 0.9 mm For various cable designs, e.g. riser, drag chain tube Ø 0.9 mm fiber 245 µm buffer layer Ø 400 µm Features • Mechanically rugged • Easy stripping approx. 30 mm • Wide temperature range BQ Mini-multi-fiber loose tube, dry/jelly-free cable tube Ø 2.2 mm dry 2 to 12 coloured fibers CW-tube (semi-tight tube) jelly-filled 0.9 mm Standard tube for simplex, duplex and breakout cables tube Ø 0.9 mm fiber 245 µm jelly filling Features • Easiest stripping up to 1 m • Good thermal and mechanical features • High flexibility • Small bending radius V-tube (tight buffered tube) 0.6 mm coloured fiber 250 µm acrylate layer Ø 600 µm Features • Easy stripping approx. 30 mm • Wide temperature range BW Mini-multi-fiber loose tube, jelly-filled tube Ø 2.2 mm jelly 2 to 12 coloured fibers Q Multi-fiber loose tube, dry/jelly-free cable tube Ø 2.8 mm dry 2 to 24 coloured fibers W Multi-fiber loose tube, jelly-filled tube Ø 2.8 mm jelly 2 to 24 coloured fibers MH – Micro tube tube Ø 1.25 mm or Ø 1.75 mm dry up to 24 coloured fibers EW – Flexible loose tube tube Ø 3.0 mm jelly 2 to 12 coloured fibers 19
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