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Explosives Characterization - Class 1 Testing

Insensitive Munitions Testing - DEKRA Process Safety

DEKRA has extensive experience conducting tests on explosive substances and articles to determine UN/DOT transportation classification, including the proper shipping name, hazard class, division, and group. Each Class 1 good is assigned to one of six divisions (1.1 to 1.6, depending on the type of hazard it presents) and to one of 13 compatibility groups.

We conduct these tests at our remote and secure testing site, which is authorized to handle up to 100 pounds (45.4 kilograms) of detonable or explosive substances. Our testing capabilities include ammonium nitrate emulsions (ANE), insensitive munitions (IM), extremely insensitive detonating substances (EIDS), and desensitized explosives.

The United Nations testing methods, outlined below, are utilized to properly classify a substance or article for safe transportation.

Test Series 1 and 2

  • 1(a) and 2(a) UN gap test – Determines propagation of detonation
  • 1(b) and 2(b) Koenen test – Determines the effect of heating under confinement
  • 1(c)(i) and 2(c)(i) Time/pressure test – Determines the effect of ignition under confinement

Test Series 3

  • 3(a)(ii) BAM Fallhammer test – Determines sensitivity to impact
  • 3(b)(i) BAM friction test – Determines sensitivity to friction
  • 3(c) Thermal stability test – Determines thermal stability of a substance
  • 3(d) Small-scale burning test – Determines response to fire

Test Series 4

  • 4(a) Thermal stability test – Determines thermal stability of a substance
  • 4(b)(i) Steel tube drop test – Determines the danger from dropping
  • 4(b)(ii) Twelve meter drop test – Determines the danger from dropping

Test Series 5

  • 5(a) Cap sensitivity test – Determines shock sensitivity to mechanical stimulus
  • 5(b)(ii) USA DDT test – Determines the tendency of transition from deflagration to detonation
  • 5(c) External fire test – Determines if a substance in large quantities explodes when subjected to a large fire

Test Series 6

  • 6(a) Single package test – Determines if there is mass explosion of the contents
  • 6(b) Stack test – Determines if an explosive substance/article results in an explosion that can be propagated from one package to another
  • 6(c) External fire (bonfire) test – Determines if a package of an explosive substance/article results in an explosion, projectile hazard, radiant heat, violent burning, or other danger when subjected to a large fire
  • 6(d) Unconfined package test – Determines hazardous effect on a package arising from accidental ignition or initiation of the contents

Test Series 7

  • 7(a) EIDS cap test – Determines sensitivity to intense mechanical stimulus
  • 7(b) EIDS gap test – Determines sensitivity to shock
  • 7(c)(ii) Friability test – Determines sensitivity to deterioration under the effect of an impact
  • 7(d)(i) EIDS bullet impact test – Determines reaction to impact or penetration resulting from a given energy source
  • 7(e) EIDS external fire test – Determines reaction to an external fire when confined
  • 7(f) EIDS slow cook-off test – Determines the reaction when temperature is gradually increased to 365°C
  • 7(g) 1.6 article external fire test – Determines the reaction to an external fire when in the condition as presented for transport
  • 7(h) 1.6 article slow cook-off test – Determines the reaction when temperature is gradually increased to 365°C when in the condition as presented for transport
  • 7(j) 1.6 article bullet impact test – Determines reaction to impact or penetration resulting from a given energy source
  • 7(k) 1.6 article stack test – Determines whether detonation of an article will initiate a detonation in an adjacent, like article
  • 7(l) 1.6 article fragment impact test – Determines the sensitivity to shock directed at vulnerable components

Test Series 8

  • 8(a) Thermal stability for ANE – Determines thermal stability for ANE
  • 8(b) ANE gap test – Determines sensitivity to intense shock
  • 8(c) Koenen test – Determines the effect of heating under confinement
  • 8(d) Vented pipe test – Determines suitability for containment in portable tanks
  • 8(e) Minimum burning pressure (MBP) test – Determines the effect of localized thermal ignition under high confinement

Contact us to discuss your Class 1 testing needs.

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