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What are the Safety Precautions for Copper Delay Detonator

Updated: Sep 28

The copper delay detonators are widely used for the underground coal mining and needs to be handled with utmost care.

The industrial explosive suppliers in India manufactures man kinds of detonators as per the requirement of the client. The range of detonators varies from ordinary detonators, electric detonators, non-electric detonators, and copper delay detonators. All of these detonators are put to use for different purposes and blasting operations. Understandably, handling explosives is one of the riskiest tasks on this planet, and especially, if they are being used daily for various commercial projects, then the blasting equipment suppliers pan India has always ensured that these explosives and their accessories not only just come fully stacked but also a safety procedure is explained to the customers and technical guidance is offered at various levels.


What are copper delay detonators?

To answer it in simple words, a detonator that is made of copper shells which are filled with a base charge along with a primary charge (NHN), that is, the PETN, is known as a copper delay detonator. The copper shells are pressed together with a couple of PVC-coated wires and then are fixed to the electric fuse head. There’s a slight difference when it comes to the base charge and primary charge. The PETN is claimed to be sensitive to the shock waves which are generated by the NHN mixture, whilst the NHN is sensitive to the flame.


To get the necessary delay, the NHN mixture is positioned with a pyrotechnic delay element at the top for better performance. The industrial explosives company in India always recommends careful use the delay detonators to ensure and experience the highest vibration control, better fragmentation, and little damage to the coal seam roof. The detonators are carefully placed with an electric fuse head that has precision in firing and is consistent with the job.


As mentioned, the copper delay detonators or any kind of explosives accessory can be dangerous if it falls into the wrong hands. That is why it is always recommended by the mining explosives manufacturers in India that it should be only handled and operated by those who have a handful of knowledge about the product and is an expert in using explosives.


Safety precautions for copper delay detonator

It is crucial to know that the delay detonators comprise many sensitive compounds and have to be handled with utmost care and precaution. While you are in the process of using the total circuit resistance, it needs to be carefully monitored to guarantee a designated flow of current.

The ends of the wires should be kept open and pushed before connections. If any kind of inspection of rechecking is required, make sure that you have disconnected all the firing cables from the exploder.

Remember to store the detonators in dry and moderate conditions in a well-ventilated detonator magazine. Do not carry out the charging of any explosives at the time of thunderstorms or any lightning.


Since the copper delay detonators are mainly used in copper coal mines, your best bet is going to be SBL Energy Limited as they are enlisted amongst the most trustworthy industrial explosive suppliers in India and mining explosives manufacturers in India. With its wide range of copper delay detonators, the industrial explosives company in India offers its products to the customers purely based on their needs while following all the international industry standards. The NEO CDD and NEO CED are highly recommended and acknowledged copper delay detonators by the customers of SBL Energy as they are considered one of the best in the market.



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