INITIATION DEVICES AND BOOSTERS

DETONATING CAPS DK – 8

APPLIANCE

Detonating caps DK 8 are means of initiation and lead to complete detonation of explosive charges, detonating cords and nonelectric system NONEL (POLINEL) on dry surface and underground workplaces with no risk of methane or dangerous coal dust appearance. Depending on their strength, detonating caps are produced from number 1 to number 10.

TECHNICAL FEATURES

• Detonating caps are very dangerous product and have to be handled carefully; instructions are to be followed. • Strong detonating impulse and short detonating process cause very strong destruction effect in short distance. • Caps can not be thrown, tumbled or pressed. Initial charge is highly sensitive to impact, abrasion, flame or sparks. • Electro-conductive objects by any means can not be placed into detonator. Completing the detonator with safety fuse is harmless because the fuse itself has high isolation features while dry. • Self-detonating temperature is higher than 120°C • Detonating caps preserve their functional feature for 24 months after production date if stored in a dry and cool, well-ventilated place where the temperature does not go bellow -20°C i.e. over +30°C and the air humidity is not higher than 75%.

MINING AND TECHNICAL FEATURES

• Penetration of leaded panel - DK -8 penetrates 40x40x5mm leaded panel. Aperture diameter has to be bigger than outer diameter of the detonator. - DK -8 leads to complete detonation of the explosive charge made of 60% TNT and 40% of talc.

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ELECTRIC DETONATORS

This system POLINEL offers a variety of detonators in safety (MEUD) and non safety (EUD) versions. They are produced as: 1. Instantaneous type: • millisecond-detonator • polysecond-detonator 2. Non safety ED With delays from 20 up to 500 ms are produced in following numbers: • Time interval 20 ms (with stages from 1 to 12) • Time interval 30 ms (with stages from 1 to 15) • Time interval 500 ms (with stages from 1 to 10) 3. Safety ED with delays are produced in following nembers: • Time interval 20 ms (with stages from 1 to 8) • Time interval 30 ms (with stages from 1 to 4)

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INITIATION NONELECTRIC SYSTEM POLINEL

POLINEL - nonelectric initiation system used for performing different kinds of miner work (surface and underwater). Not applicable in inflammable conditions or pits with methane. Approved at Safety Institute in Belgrade. POLINEL - PK is composed of initial energy tube, detonator DK-6 with appropriate (0-176) delay placed into plastic case- connector. Into this plastic case (connector) maximum 4 initial low energy POLINEL tubes can be placed. POLINEL - MS (explosive charge initiator) is used for initiation of explosive charge in miner drill holes, composed of low energy tube - NES and belonging detonator DK - 8 with 500 ms delay. POLINEL - DD (dual delay) represents combined system of PK and MS initiators and is used for initiating explosive charge. It is made of initial low energy tube - NES. This tube has DK - 6 (connector) detonator with 0 - 176 ms delay on one, and detonator DK - 8 with 500 ms delay on the other sid

PENTOLITE BOOSTERS PP - 500 AND PP – 300

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PENTOLITE BOOSTERS PP – 500 AND PP – 300

DESCRIPTION

PENTOLITE AMPLIFIERS or “BOOSTERS” are initiation explosive devices designed for initiating less sensitive explosives which do not accept initial impulse from mining caps DK - 8 or detonating cord.

APPLICATION

Trotil and penetrate mixture is used for their production. For favorable TNT and PENETRITE ratio and also for their features, molten pentolite boosters are characterized by high water resistance where their mining and technical characteristics are completely maintained and preserved. They are also characterized by high detonation pressure and high detonation speed.

INITIATION

The construction of PP - 500 and PP - 300 boosters is adapted to the process of initiation with detonating cord which is wriggled through both spouts and tied by a quadruple node, and the booster is connected to the cartridge of the water resistant explosive by adhesive tape