|
item |
standard |
|||
| rock emulsion explosive |
opencast emulsion explosive |
|||
| 1# |
2# |
detonator-sensitive |
detonator-insensitive |
|
| stick density g/cm3 |
0.95-1.30 |
1.10-1.30 |
-- |
|
| explosive density g/cm3 |
1.00-1.30 |
1.15-1.35 |
1.00-1.35 |
|
| gap distance cm |
≥4 |
≥3 |
≥2 |
-- |
| explosion velocity m/s |
≥4.5x103 |
≥3.2x103 |
≥3.0x103 |
≥3.5x103 |
| brisance mm |
≥16 |
≥12 |
≥10 |
-- |
| capacity of work ml |
≥320 |
≥260 |
≥240 |
-- |
| toxic gas content after explosion l/kg |
≤80 |
-- |
||
| impact sensitivity |
explosion probability≤8% |
|||
| friction sensitivity |
explosion probability≤8% |
|||
| heat sensitivity |
nonflammable, no explosion |
|||
| quality assurance period d |
180 |
120 |
15 |
|
| remarks：1 the figures in the table are applicative in the quality assurance period starting from the accomplishment of production. 2 the explosion velocity of the detonator-insensitive opencast emulsion explosive produced by mixing-loading truck is supposed to be 4.2x103m/s or more. |
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