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Blasting Accessories

Electric Detonator

INQUIRY
Description



Instant electric detonator for coal mining

Range of application

The instant electric detonators for coal mining can reliably initiate various high explosives, industrial explosives, detonating cord and plastic shock tube. It is applicable for the dangerous conditions that contain gas, coal dust and other blasting projects.

 

Specification

 

 

Detonator power:

#8 detonator

 

Shell material:

blueing steel

 

Shell length:

58mm

 

Leg wire:

iron or copper core PVC insulated wire, length 2m.

 

Main technical parameters

 

 

Max safety current:

0.2A

 

Tandem firing current:

1.2A

 

Initiation ability:

product should penetrate lead plate with thickness of 5mm, the diameter of the penetration hole of lead plate should not be less than the OD. of the detonator.

 

Combustible gas safety degree:

when initiating in 9% density of combustible gas, combustible gas should not be initiated.

 

Packaging

 

 

Carton or crate

1000pcs/carton(2m leg wire)

 

Expiration time

18 months

 

Inspection standard

GB8031—2015《Industrial Electric Detonator》

 

 

 

 

Millisecond electric detonator for coal mining

 

Range of application

The millisecond electric detonator for coal mining can initiate various high explosives, industrial explosives, detonating cord and plastic shock tube. It is applicable to use for
millisecond short delay blasting that contains dangerous gas or coal dust and other millisecond short delay blasting projects.

 

 

Shell length:

58mm~72mm

 

Leg wire:

iron or copper core PVC insulated wire, length 2m.

 

Main technical parameters

 

 

Max safety current:

0.2A

 

Tandem firing current:

1.2A

 

Initiation ability:

product should penetrate lead plate with thickness of 5mm, the diameter of the penetration hole of lead plate should not be less than the OD. of the detonator.

 

Combustible gas safety degree:

when initiating in 9% density of combustible gas, combustible gas should not be initiated.

 

Packaging

 

 

Carton or crate

1000pcs/carton(2m leg wire)

 

Expiration time

18 months

 

Inspection standard

GB8031—2015《Industrial Electric Detonator》

 


Millisecond electric detonator period and delay time for coal mining:

Period

1

2

3

4

5

Nominal delay time
(ms)

0

25

50

75

100