Updated: 30 June, 2023
Viperdet MS non-electric downline assemblies consist of a specific length of yellow shock tube, with a high-strength delay detonator crimped to one end and closed at the other end by an ultrasonic seal. A colour coded label marked with the specified delay is attached to the shock tube within 10cm of the seal.
Viperdet MS Downline is used as a in-the-hole detonator for the initiation of explosives in surface and underground mines, quarries, and construction blasting.
Viperdet MS non-electric detonators must not be used in flammable environments such as methane or coal dust.
Viperdet MS non-electric detonators are safe against extraneous electric currents except lightning.
Detonator strength: No. 8.
Shock tube: Triple extruded polyethylene exterior over surlyn inner.
Tensile Strength: Minimum 80N.
Delay timing: 350ms or 500ms.
Nominal VOD of shock tube: 2000 m/s.
Resistance to hydrostatic pressure: 48 hrs at 1 MPa.
Viperdet MS Downline can be used to prime the full range of BME’s detonator-sensitive explosive products.
Viperdet MS Downline detonators can be sequentially delayed and initiated by Viperdet Trunklines.
Viperdet MS Downline can also be initiated by a single strand of detonating cord with a minimum core load of 5 g/m.
To prevent a snap, slap, and shoot incident (unexpected detonation) never pull or stretch non-electric shock tube to the point of breaking.
This product may be used in ground temperatures up to a maximum of 65°C (150°F). If the application requires use outside of this temperature range please contact a BME Technical Representative for additional guidance.
The maximum in-hole sleep time is 28 days. If the application requires longer in-hole sleep time, please consult with a BME Technical Representative for guidance.
36 months from the date of production. Store under recommended conditions.
Minimum storage temperature (- 45°C) and maximum storage temperature (+65°C). The product should be stored in its original packaging.
Disposal of expired non-electric detonators and its packaging should conducted of by authorized personnel and/or companies.
Units are placed in plastic inner packaging that is heat-sealed and packed in boxes.
Other lengths are available on request.
Proper shipping name
Detonator assemblies, non-electric.
1.1B (UN 0360).
1.4B (UN 0361).
1.4S (UN 0500).
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