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Contact SupplierHigh-precision Delay Shock-tube detonator is suitable for use in blasting operation site where no explosion hazard of marsh-gas, coal-dust or other inflammable dust exists. The accuracy of delaying action and the range of delay time are better than that of Common Shock-tube Detonator. It can meet the requirements of delay time at the range of 0- 12000ms with different equal-intervals. Our products can reach the advanced level of Equal-interval Shock-tube Detonator in domestic market. The product is resistant to high-temperature, low-temperature and oil and good for tensile performance. The product with multi-period can be widely used for the operation to achieve the effect of large-area blast-hole millisecond blasting.
Specifications and Model
● Shell material: aluminum, aluminum alloy
● Shock tube: high strength type
● The length of shock tube: 3m (It can be determined as required by customer.)
● Delay time
(0~500) ms | 25ms equal interval |
(0~800) ms | 50ms equal interval |
(0~1600) ms | 100ms equal interval |
(0~4000) ms | 200ms equal interval |
(0~5500) ms | 300ms equal interval |
(0~8000) ms | 500ms equal interval |
(0~12000) ms | 1000ms equal interval |
2.2.1 Surface Detonator
Surface Detonator is a type of shock-tube detonator that can achieve the explosion in a certain order between blasting holes through controlling the surface delay time in blasting area. In out-of-hole delay system, the Surface Detonator is used to connect the surface blasting network and can make the disorder hole-blast in a certain order. The application of this product can make better effect in the large-scale blasting area after initiation.
Specifications and Model
Shock Tube | High-strength Shock Tube |
OD of Shock Tube(mm) | 3mm |
Detonator Type | No.3 Detonator |
Plastic Connector Block | C-type, (Color can be determined as required by customer) |
Standard Length | 4 、6 、9 、12 It can be determined as required by customer. |
Delay Time and related color of C-type Connector Block (The color can be determined as required by customer.)
Period No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Nominal Delay Time (ms ) |
9 |
17 |
25 |
35 |
42 |
65(67) | 109 (100) | 176 (175) |
200 |


