5.3 Materials
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - IMSBC Code – International Maritime Solid Bulk Cargoes Code – Resolution MSC.268(85) - Appendix 2 – Laboratory Test Procedures, Associated Apparatus and Standards - 5 Description of the Test of Resistance to Detonation - 5.3 Materials

5.3 Materials

 Seamless steel tube to ISO 65-1981-Heavy or equivalent

Tube length 1,000 mm
Nominal external diameter 114 mm
Nominal wall thickness 5 to 6.5 mm

 Bottom plate (160 x 160 mm) of good weldable quality, thickness 5 to 6 mm to be butt-welded to one end of the tube around the entire circumference.

 Initiation system and booster

  • Electrical blasting cap or detonating cord with non-metallic sleeve (10 to 13 g/m).

  • Compressed pellet of secondary explosive, such as hexogen/wax 95/5 or tetryl, with a central recess to take the detonator.

  • 500 ± 1 gramme plastic explosive containing 83 to 86% penthrite, formed into a cylinder in a cardboard or plastic tube. Detonation velocity 7,300 to 7,700 m/s.

 Six witness cylinders of refined, cast lead for detecting detonation.

  • 50 mm diameter x 100 mm high, refined lead of at least 99.5% purity.

Parent topic: 5 Description of the Test of Resistance to Detonation
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