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 40ºC to 50ºC. Melting point: 105ºC to 107ºC.
Characteristics
Physical properties
|
Size
|
Angle of repose
|
Bulk density
(kg/m3)
|
Stowage factor
(m3/t)
|
9 mm diameter and up
to 7 mm long
|
Not applicable
|
500 to 800
|
1.25 to 2.00
|
Hazard
classification
|
Class
|
Subsidiary hazard(s)
|
MHB
|
Group
|
Not applicable
|
Not applicable
|
CB and/or CR
|
B
|
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 this 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 voyage.
Discharge
Adequate measures shall be taken to prevent dust generation.
Clean-up
No special requirements.
Emergency procedures
Special emergency equipment to
be carried
|
Protective clothing (gloves,
boots, overalls and headgear).
Self-contained breathing apparatus, spray
nozzles.
|
Emergency
procedures
|
Wear protective clothing and
self-contained breathing apparatus.
|
Emergency action in the event
of fire
|
Batten down; use ship's fixed
fire-fighting installation, if available.
Exclusion of air may be
sufficient to control fire.
|
Medical first aid
|
Refer to the Medical First Aid
Guide (MFAG), as amended.
|
General precautions
1 Personnel engaged in loading shall be supplied with gloves, dust masks, approved
protective clothing and goggles.
2 Eyewashes and sunscreen creams shall be readily available.
3 Number of personnel in area of loading shall be kept to a minimum. Personnel in area
of loading shall be aware of all the hazards involved.
4 Personnel engaged in the handling of this cargo shall wash well and keep out of the
sun for a few days, after the cargo handling.
5 The hatch shall be closed after loading or discharge has ceased and the ship shall be
washed out to remove all dust.
6 Due consideration shall be given to suspending cargo handling when wind is blowing
dust.
7 After completion of discharging this cargo, the deck shall be cleaned up to remove all
spillages.
8 Ventilation of the accommodation spaces shall be closed and the air conditioning
systems for the accommodation spaces shall be on recycle mode when this cargo is being
handled – either loading or discharging.
9 The cargo dust is easily ignited and may cause fire and explosion. Special care shall
be taken to prevent fire during loading and discharging the cargo.