Tolerances for weight of explosive, sheath, wrapper, and specific gravity.

  1. Law
  2. CFR 30
  3. Mineral Resources
  4. Mine Safety and Health Administration, Department of Labor
  5. Testing, Evaluation, and Approval of Mining Products
  6. Requirements for Approval of Explosives and Sheathed Explosive Units
  7. Requirements for Approval of Sheathed Explosive Units or Other Explosive Units Designed to be Fired Outside the Confines of a Borehole
  8. Tolerances for weight of explosive, sheath, wrapper, and specific gravity.

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§ 15.32 Tolerances for weight of explosive, sheath, wrapper, and specific gravity.

(a) The weight of the explosive, the sheath, and the outer covering shall each be within ±7.5 percent of that specified in the approval.

(b) The ratio of the weight of the sheath to that of the explosive shall be within ±7.5 percent of that specified in the approval.

(c) The specific gravity of the explosive and sheath shall be within ±7.5 percent of that specified in the approval.


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