Uses:Shock tube detonator(fire cracker) is suitable for mixing explosive truck, high temperature emulsion explosive, environment of high and low temperature. It has a good characteristic of antistatic and stray current. It is safe, simple and reliable in operation, and also is a kind of renewable product of ordinary shock tube. Main parameters: Outer diameter (mm): 3.2 inner diameters (mm):1.2Performances: Initiating speed(m/s):1950±50. Stretch resistance: 196N at 25 Diesel oil resistance: immersed in 0# diesel for 7days at 50,initiating power should not be changed. Emulsion resistance: immersed in it for 4 days at 50, initiating power should not be changed. Propagating property: its propagating property is reliable at -30 80, and stretched by unexpected power, its stretching rate is less than 100%.Note: take care in handling, sealing the mouth of shock tube to prevent from water, the end of shock tube should be cut on good order and connected tightly in connector during network connection.Storage: to be stored in a ventilating and dry storehouse under the original package condition.Shelf-life: 5 years. Packing: outside: paper box or wooden box Inside: plastic bag List of packing Name of product number External dimensions(mm) Gross weight(kg) Compound shock tube, high temperature and strength resistant m/roll m/roll Wooden box carton Wooden box carton 500 2000 605*350*315 560*340*280 18 14