Class 7 - Special Form

Special form radioactive material is defined as material that is either an indispersible solid radioactive material or a sealed capsule containing radioactive material that meets the following requirements:

• If it is a sealed capsule, that capsule must be constructed so that it can only be opened by destroying the capsule.
• At least one dimension of the special form material must be at least 5 mm.
• The design requires unilateral approval.
• The design must not break or shatter under impact or bending, cannot melt or disperse in a heat test, and activity from water in leaching tests cannot exceed 2 kBq.

The following tests must be performed on special form radioactive material:

• Impact test
• Percussion test
• Bending test
• Heat test
• Leaching and volumetric assessment

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