Pitch Prill (see Appendix To This Schedule)
PITCH PRILL (see appendix to this schedule)
Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 354, 355
Description
Pitch prill is made from tar produced during the coking of coal. It is black with a distinctive odour. It is extruded into its characteristic pencil shape to make handling easier. Cargo softens between 40°C to 50°C. Melting point: 105°C to 107°C.
Hazard
Melts when heated. Combustible, burns with a dense black smoke. Dust may cause skin and eye irritation. Normally this cargo has a low fire risk. However, powder of the cargo is easy to ignite and may cause fire and explosion. Special care should be taken for preventing fire during loading or discharging.
Stowage and Segregation
Segregation as required for class 4.1 materials.
Hold Cleanliness
No special requirements.
Weather Precautions
Refer to the appendix to this schedule.
Loading
Trim in accordance with the relevant provisions required under sections 4 and 5 of IMSBC Code. This cargo shall not be stowed in a cargo space adjacent to heated tanks to avoid softening and melting of the cargo.
Precautions
Refer to the appendix to this schedule.
Ventilation
Surface ventilation only, either natural or mechanical, shall be conducted, as necessary, during the voyage for this cargo.
Carriage
After the completion of loading of this cargo, the hatches of the cargo spaces shall be sealed. Condensation in the cargo spaces carrying this cargo shall be checked regularly during the voyage.
Discharge
Adequate measures shall be taken to prevent dust generation.
Clean-up
No special requirements.
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