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Standard

DESR 6055.09

The US Department of Defense explosives safety regulation. It makes conductive flooring mandatory in specific energetics areas.

2.5 x 104 to 1.0 x 106ohmsANSI/ESD STM7.1 / ASTM D257 (as cited on manufacturer TDS)

What it means for your floor

Where conductive and static dissipative sit on the resistance scale 10³10⁴10⁵10⁶10⁷10⁸10⁹10¹⁰10¹¹10¹²10¹³ CONDUCTIVE STATIC DISSIPATIVE INSULATIVE 2.5 x 10⁴ to 1.0 x 10⁶ ohms. Fastest bleed. Specified where a spark is the hazard. Anything above 10⁹ is an insulator and holds a charge instead of moving it. ANSI/ESD STM7.1 · bands published by the ESD Association
The two static control bands, drawn where they sit on the scale. Everything to the right of 10⁹ ohms is an insulator.
01

The rooms it names

Ammunition load, assemble and pack areas. Explosives processing. Propellant casting. Pyrotechnic assembly. Energetics manufacturing. In those rooms conductive flooring, not merely dissipative, is the requirement.

02

Why conductive and not dissipative

In an energetics area the discharge is the hazard, not the sensitivity of a component. The floor has to move a charge away before it can build to an ignition energy, so the faster band is the specified one.

03

Current edition

Edition 1, Change 2, dated 25 November 2025. If your contract language quotes DoD 4145.26-M, that is the predecessor document and worth checking against the current regulation before you specify.

DESR 6055.09what it asks of a floor
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