ATF eRegulations

Searching for “Flash powder”

• § 555.11 Meaning of terms.

  Flash powder. An explosive material intended to produce an audible report and a flash of light when ignited which includes but is not limited to oxidizers such as potassium chlorate or potassium perchlorate, and fuels such as sulfur or aluminum powder.

• § 555.222 Table of distances between fireworks process buildings and between fireworks process and fireworks nonprocess buildings.

  |Net weight of fireworks [^1](Net weight is the weight of all pyrotechnic compositions, and explosive materials and fuse only.) (pounds)|Display fireworks [^2](The distances in this column apply only with natural or artificial barricades. If such barricades are not used, the distances must be doubled.) (feet)|Consumer fireworks [^3](While consumer fireworks or articles pyrotechnic in a finished state are not subject to regulation, explosive materials used to manufacture or assemble such fireworks or articles are subject to regulation. Thus, fireworks process buildings where consumer fireworks or articles pyrotechnic are being processed shall meet these requirements.) (feet)| |---|---|---| |0-100|57|37| |101-200|69|37| |201-300|77|37| |301-400|85|37| |401-500|91|37| |Above 500|Not permitted [^4](A maximum of 500 pounds of in-process pyrotechnic compositions, either loose or in partially-assembled fireworks, is permitted in any fireworks process building. Finished display fireworks may not be stored in a fireworks process building.)[^5](A maximum of 10 pounds of flash powder, either in loose form or in assembled units, is permitted in any fireworks process building. Quantities in excess of 10 pounds must be kept in an approved magazine.)|Not permitted [^4](A maximum of 500 pounds of in-process pyrotechnic compositions, either loose or in partially-assembled fireworks, is permitted in any fireworks process building. Finished display fireworks may not be stored in a fireworks process building.)[^5](A maximum of 10 pounds of flash powder, either in loose form or in assembled units, is permitted in any fireworks process building. Quantities in excess of 10 pounds must be kept in an approved magazine.)|

• § 555.41 General.

  (iv) A separate license will not be required of licensed manufacturers with respect to their on-site manufacture of theatrical flash powder.

• § 555.221 Requirements for display fireworks, pyrotechnic compositions, and explosive materials used in assembling fireworks or articles pyrotechnic.

  (c) The maximum quantity of flash powder permitted in any fireworks process building is 10 pounds (4.5 kg).

• § 555.202 Classes of explosive materials.

  For purposes of this part, there are three classes of explosive materials. These classes, together with the description of explosive materials comprising each class, are as follows: