MIL-DTL-17124F
4.4 PETN inspection. The PETN lot shall be verified and accepted/rejected in
accordance with MIL-P-387.
4.5 RDX inspection. The RDX lot shall be verified and accepted/rejected in
accordance with MIL-DTL-398.
4.6 Thermoplastic resin inspection. The thermoplastic resin shall be verified and
accepted/rejected in accordance with ASTM D4976.
4.7 TNT inspection. The TNT lot shall be verified and accepted/rejected in
accordance with MIL-C-46246
4.8 Diameter inspection. For each sample, use a permanent marker (or alternative)
to mark two locations at least four (4) inches apart from each other and at least three (3)
inches from the cut ends. At these marks, measure the maximum diameter of the
detonating cord. The samples and lot shall be rejected if any of the detonating cords do not
meet the diameter requirement.
4.9 Weight of finished cord test. Cut the samples to 12.0 ±0.05 inches in length. Weigh
each sample in grams (W). Calculate the weight of each finished cord as follows:
,
The sample and lot shall be rejected if any of the detonating cords exceed the maximum finished
cord weight requirement.
4.10 Breaking strength test. From each of the five (5) spools, cut a sample at least twelve
(12) inches in length. For each sample, use appropriate equipment to record failure load and
apply an increasing load to the point of breakage. The samples and lot shall be rejected if any of
the detonating cords do not meet the breakage strength requirement.
4.11 Weight of explosive or inert fill test. Cut the samples to 12.0 ±0.05 inches in
length. Weigh each sample in grams (WT). Cut open each sample and remove the explosive/fill,
while retaining all the construction material. Weigh each sample's construction material in
grams (WA), now absent of explosive/fill. For each sample, calculate the weight of explosive/fill
per 1000 feet as follows:
,
The samples and lot shall be rejected if any of the detonating cords do not meet the minimum
explosive weight requirement.
4.12 Detonation velocity test (Type I and II). From each of the five (5) spools, cut a
sample at least three (3) feet in length. Obtain one sample and attach a method to measurement
to a portion of the sample at least twelve (12) inches long and at least one (1) foot from both
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