General Electric Detonators
General Electric Detonators include: instantaneous electric detonators, millisecond delay electric detonators, 1/4-second electric detonators, half-second electric detonators, and second electric detonators.
1. Executive standard：GB8031 Industrial Electric Detonator.
2. Basic characteristics: Having the level of domestic product of the same kind, using copper-plated steel casing or flanged steel casing and rigid ignition elements.
Having good firing consistency and detonating capacity. High precision delay time, and reliable storage, transportation and application.
3. General electric detonators application: Suitable for blasting operations in mines, farmlands, irrigation and water conservancy projects without methane and coal dust explosion hazards.
4. Specification and performance：
1) Length of iron leg wire:
2m, a product of other specification also available based on user needs; shell length: 62 ~ 80mm.
2) Section and delay time：
Millisecond series:
| Section. | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Nominal delay time (ms) | 0 | 25 | 50 | 75 | 110 | 150 | 200 |
| Leg wire color | Gray red | Gray yellow | Gray blue | Gray white | Green red | Green yellow | Green blue |
| Section. | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| Nominal delay time (ms) | 250 | 310 | 380 | 460 | 550 | 650 | 760 |
| Leg wire color | Green white | Red yellow | Red blue | Red white | Yellow blue | Yellow white | Blue white |
1/4 second series:
| Section. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Nominal delay time (ms) | 0 | 250 | 500 | 750 | 1000 | 1250 | 1500 | 1750 | 2000 | 2250 |
| Leg wire color | Gray red | Gray yellow | Gray blue | Gray white | Green red | Green yellow | Green blue | Green white | Red yellow | Red blue |
1/2 second series:
| Section. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Nominal delay time (ms) | 0 | 500 | 1000 | 1500 | 2000 | 2500 | 3000 | 3500 | 4000 | 4500 |
| Leg wire color | Gray red | Gray yellow | Gray blue | Gray white | Green red | Green yellow | Green blue | Green white | Red yellow | Red blue |
second series:
| Section. | 1 | 2 | 3 | 4 | 5 |
| Nominal delay time (ms) | 0 | 1000 | 2000 | 3000 | 4000 |
| Leg wire color | Gray red | Gray yellow | Gray blue | Gray white | Green red |
10 rounds/bundle, 100 rounds/box, 10 boxes/case, 1000 rounds/case.
6. General electric detonators warranty period:
A year and a half from the date of manufacture (in a standard warehouse).
