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Grammonite 79/21 GOST 21988-76, TS 84-08628424-814-2005
Grammonite 79/21 is designed for the production of blasting operations in the mining industry in open-pit operations and in the faces of underground workings of mines and mines that are not dangerous for gas or dust, with manual and mechanized loading of dry and drained (dehydrated) boreholes, wells and chambers.
Pneumatic transportation of 79/21 grammonites with flaked TNT during mechanized loading and pneumatic loading of boreholes and wells in underground workings.
Grammonite 79/21 is used at ambient temperatures from -50 to +50 °C.
|
Specifications |
Standard |
|
Appearance |
a mixture of saltpeter granules and TNT flakes or saltpeter granules, granulotol and tnt flakes without delamination of components and mechanical impurities visible to the eye |
|
Mass fraction of moisture and volatile substances, %, max. |
0.5 |
|
Bulk granulatol density, g/cm3 |
0.85 - 0.9 |
|
Charging density, g/cm3 |
1.00 - 1.25 |
|
TNT equivalent in terms of explosion heat |
1.02 |
The initiation of grammonite 79/21 is carried out with T-400G or other types of detonators.
During transportation, transportation by all modes of transport is allowed in accordance with the rules of transportation of dangerous goods applicable to a particular type of transport.
According to the degree of danger during transportation and storage, grammonites according to GOST 19433-88 belong to class1, subclass 1.1, compatibility group D. The UN serial number is 0082. The number of the emergency card containing safety measures in case of emergency situations on railway transport is 114. By road transport - 1. The code of emergency measures applicable to transportation by road is 24E.
Grammonite 79/21 is packed in a polyethylene liner bag, sewn or embedded in a 5H2 polypropylene bag.
12 months from the date of manufacture.
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