Carbon Black Content Apparatus as per BS:2782 and ASTM D1603

To determine the Carbon Black content in polyethylene and polypropylene Insulation or in the sheath of the cable.

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Carbon black content of plastics test instruments consists of:-

  •  Electric Furnace, at least 20 cm (8 in.) long suitable for
    use with the tubing described in 4.2.
  • Tubing,, 4 2.9 cm (1⁄8 in.) in diameter, approximately
    twice as long as the furnace described in 4.1.
  •  Stoppers—Two rubber or neoprene stoppers, to fit the
    tube described in 4.2, unless the tube is fitted with ground
    joints and mating connectors.
  • Glass Tubing, 10-mm, of sufficient amount, and matching rubber or plastic tubing for connections.
  • Combustion Boat, approximately 8 by 1.9 by 1.3 cm
    (31⁄2 by 3⁄4 by 1⁄2 in.). Glazed porcelain, quartz high-silica glass,
    or platinum is suitable.
    NOTE 2—A loose-fitting cover for the combustion boat is optional. If
    used, it shall be considered a part of the boat and handled and weighed
    with it.
  • Iron-Constantan Thermocouple, and a potentiometer or
    millivoltmeter suitable for determining temperatures in the
    range 300 to 700 C.
  • Flow Meter,, 5 suitable for measuring gas flow at rates of
    1 to 10 L/min.
  • Traps, three glass traps with removable ground-glass
    connected heads and 10-mm diameter inner and connecting