DOT Classification Tests

Tests for Class 1 (Explosives)

Test Series 1: Is the substance a potential candidate for Class 1?

  • Gap Test (Zero Gap)
  • Koenen
  • Internal Ignition (10 gram bag)
  • Time Pressure

Test Series 2: Can the substance be excluded from Class 1?

  • Gap Test (50 mm Gap)
  • Koenen
  • Internal Ignition (20 gram bag)
  • Time Pressure

Test Series 3: Is the material a forbidden substance?

  • Impact sensitivity
  • Friction sensitivity
  • Thermal stability
  • Small-scale burn

Test Series 4: Is the article a forbidden article?

  • Thermal stability
  • 12 meter drop

Test Series 5: Is the substance a candidate for 1.5?

  • #8 Cap
  • Deflagration to Detonation Transition (DDT)
  • External Fire

Test Series 6: Is the substance or article a Class 1.1, 1.2, 1.3, or 1.4?

  • Single package
  • Stack test
  • External Fire

Tests for Class 4 (Flammable Solids)

Class 4.1: Is the substance or article a flammable solid and self-reactive substance?

  • Screening test
  • Burning rate
  • Tests for self-reactive substances

Class 4.2: Is the substance or article a spontaneously combustible material?

  • Self heating substances test

Class 4.3: Is the substance or article a Dangerous When Wet material?

  • Hazardous When Wet tests

Tests for Class 5 (Oxidizing Materials)

Class 5.1: Is the substance or article an oxidizing solid or liquid?

  • Tests of oxidizing solids and liquids

Class 5.2: Is the substance or article an oxidizing peroxide (5.2)?

  • Tests for organic peroxides

 

Safety Management Services
SAFETY MANAGEMENT SERVICES, INC.
1847 West 9000 South, Suite 205
West Jordan, Utah 84088
Phone: 801-567-0456

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Testing Resource

Kirt Sasser
Kirt Sasser, PE
Director of Engineering and Testing
SMS is one of five laboratories authorized by the DOT to witness classification tests for explosives (Class I). We also frequently run in-process tests. Testing is performed at our test site facility at the Tooele Army Depot where we have a thermal lab, sensitivity test lab, and large scale test area. Please contact us for further information at 801-567-0456 or by sending a request.
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