Global Dry Bulk Network

Cement Clinker

CEMENT CLINKERS

IMSBC GroupC
UN NumberNot set
ClassNot applicable
Subsidiary HazardNot applicable
MHBNot applicable
Physical SizeUp to 40 mm
Angle of ReposeNot applicable
Bulk Density (kg/m³)1,190 to 1,639
Stowage Factor (m³/t)0.61 to 0.84
Harmful to Marine EnvironmentNot set
Effective StatusExisting from MSC.539(107)
IMSBC Amendment07-23
Voluntary Application From2024-01-01
Mandatory From2025-01-01
Group CClass Not applicableMHB: Not applicableExisting from MSC.539(107)
Cargo photo

Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 134, 135

Description

Cement is formed by burning limestone with clay. This burning produces rough cinder lumps that are later crushed to a fine powder to produce cement. The rough cinder lumps are called clinkers and are shipped in this form to avoid the difficulties of carrying cement powder.

Hazard

No special hazards. This cargo is non-combustible or has a low fire risk.

Stowage and Segregation

No special requirements.

Hold Cleanliness

Clean and dry as relevant to the hazards of the cargo.

Weather Precautions

This cargo shall be kept as dry as practicable. This cargo shall not be handled during precipitation. During handling of this cargo, all non-working hatches of the cargo spaces into which this cargo is loaded, or to be loaded, shall be closed.

Loading

Trim in accordance with the relevant provisions required under sections 4 and 5 of IMSBC Code.

Precautions

Appropriate precautions shall be taken to protect machinery and accommodation spaces from the dust of the cargo. Bilge wells of the cargo spaces shall be protected from ingress of the cargo. Due consideration shall be given to protect equipment from the dust of the cargo. Persons who may be exposed to the dust of the cargo shall wear protective clothing, goggles or other equivalent dust eye-protection and dust filter masks, as necessary. Bilge wells shall be clean, dry and covered as appropriate, to prevent ingress of the cargo.

Ventilation

The cargo spaces carrying this cargo shall not be ventilated during the voyage.

Carriage

After the completion of loading of this cargo, the hatches of the cargo spaces shall be sealed. All vents and access ways to the cargo spaces shall be shut during the voyage. Bilges in the cargo spaces carrying this cargo shall not be pumped unless special precautions are taken.

Discharge

No special requirements.

Clean-up

In the case that the residues of this cargo are to be washed out, the cargo spaces and the other structures and equipment which may have been in contact with this cargo or its dust shall be thoroughly swept prior to washing out.

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