Instant Electric Detonator เชื้อปะทุ หรือ แก๊ปไฟฟ้า
Dynamax (High Explosive)
2016-11-21
Electric Millisecond Delay Detonator
2016-11-21
เชื้อปะทุ-หรือ-แก๊ปไฟฟ้า (Instant Electric Detonator)
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Instruction of Electric Detonator The electric detonators manufactured in this company includes the No.8 Instantaneous |
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| electric detonator, No.8 millisecond delay electric detonator, No.8 half second delay | |||||||||||||||||||
| electric detonator, and No.8 Long period delay electric detonators. The electric detonators | |||||||||||||||||||
| are applied to detonate directly or indirectly all kinds of explosives and detonating fuse. | |||||||||||||||||||
| However, the products are not to be used in areas where explosive gases or coal mineral | |||||||||||||||||||
| 1.Construction and Features | |||||||||||||||||||
| The Product is up to the International standard of “Industrial electric detonator” | |||||||||||||||||||
| The detonator shell are made of alloy | |||||||||||||||||||
| Copper leg wires are insulated with High Density Poly Ethylene | |||||||||||||||||||
| Bridge wire is embedded in Fuse head to provide superior contact | |||||||||||||||||||
| Plastic Plug is double crimped to form waterproof seal. | |||||||||||||||||||
| Resistance | |||||||||||||||||||
| 1 meter of copper Leg wire have a resistance of 0.1 ohm. | |||||||||||||||||||
| Copper Leg Wire | Leg wire length (m.) | ||||||||||||||||||
| 3 m. | 8 m. | 10 m. | |||||||||||||||||
| 1.7 – 2.2 | 2.7 – 3.2 | 3.1 -3.6 | |||||||||||||||||
| Safety current | |||||||||||||||||||
| i. With maximum direct current of 0.18 A, the detonator is not | |||||||||||||||||||
| exploded within 5 minutes. | |||||||||||||||||||
| h. All – fire direct current of 20 detonators with series connection is 1.2 A. | |||||||||||||||||||
| 2. Performance | |||||||||||||||||||
| No.8 detonators can blow up a hole in a lead – plate of 8 mm thickness whose | |||||||||||||||||||
| diameter is not smaller than the outer diameter of detonator. | |||||||||||||||||||
