Two Ways Detonating Relays(fire cracker)

Uses:This detonator(fire cracker) is suitable for the blasting works in coal mine or in the open pit digging tunnel where present no fire damp or coal dust. This kind of detonator cannot be affected by static and stray electrical current, high frequency radio transmissions when used. Main parameters: Total length(mm): 267276(The length of detonating cord is available on requirement of users). Period and delay time Period1234Delay time(ms)15(17)2540(35)55 Performances: Firming of sealed mouth: 19.6N, 5mins. Note: take care in handing, prohibit to be impacted and fractionated, away from fire and heat source, moisture preventing. When two ways detonating relays match with the detonating cord, the connector between then should be winded tightly with insulation tape or connecting element, the contacting length should be equal to the length of the detonating cord. Storage: To be stored in a ventilating and dry storehouse under the original package condition. Shelf-life: 2years. Packing: Outside: wooden box Inside: paper barrel List of packingName of productNumbersExternal Dimensions(mm)Gross Weight(k g)Pieces/ barrelPieces/boxTwo Ways Detonating Relays501000535×320×35027