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Extraco / Black Powder

Black Powder

Black Powder for stone pits is a mixture of potassium nitrate, sulfur and charcoal in granulated form. The powder grains are polished in order to achieve a smooth, slippery surface.

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Description

Application

Black powder for stone pits is still suitable for quarry operations where a mild blasting effect is desired like stone and marble treatment.

Packaging

Black powder is delivered in plastic bags which are placed in a corrugate board case of 25kg gross weight.

Storage

Black Powder for stone pits should be handled stored and used according to the national laws and regulations. It should be stored in a cool, dry, well-ventilated place.

Provided that storage conditions are appropriate, it is recommended to use Black Powder for stone pits within 12 months.

Product shelf life expansion can be verified after examined by the supplier.

Classification

Commercial Name: Black Powder for stone pits

Technical Name: Black Powder

UN-number: 0027

Division/Compatibility Group: 1.1D

 

Additional information

Density

1.1 gr./cm3

Granulation

0,2 – 4,75 mm

Ash

0,6 %

Velocity of detonation

400 m/sec

Friction sensitivity

>360N

Impact sensitivity

>10J

Permitted deviation to the above specifications

5%