Obturated Gasless Delay Element for 4 to 6 Seconds

Fig 1-56 OBTURATED GASLESS DELAY ELEMENT FOR 4 TO 6 SECONDS PERCUSSION DETONATOR 

In Fig 5-44 of Ref 23 (See our Fig 1-57) is shown a delay element which is assembled within a single housing as an integral part of Flame Initiated 0.10 Second Flash Delay Detonator. Its igniter mixture is probably M31 (Pb sulfocyanate 45 K chlorate 55%) (Ref 23, p 2-10) the delay compn is either HP-25 or D-5 the intermediate chge is LA and the base chge is RDX 

Fig 1-5 FLAME INITIATED 0.10 SECOND FLASH DELAY DETONATOR 

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