Velocity VLH

Velocity VLH

THE VELOCITY® VLH HEAVY ANFO RANGE OF PRODUCTS ARE A BLEND OF AMMONIUM NITRATE EMULSION, AMMONIUM NITRATE AND FUEL OIL FOR USE IN DRY AND DEWATERED BLAST HOLES. THE VELOCITY® VLH RANGE ARE DELIVERED INTO THE BLAST HOLE VIA AN AUGER FROM THE MPU.


Benefits

The benefits of Velocity® VLH range of products are:

  • High blast hole loading rates.
  • High energy products that can easily be adapted to meet the energy requirements for any rock type.
  • Velocity® VLH Heavy ANFO products have a range of densities and energies.
  • Velocity® VLH 1660 and 1670 are water resistant products and can be used in dewatered blast holes containing static water under certain conditions.

Application

Velocity® VLH Heavy ANFO products are high energy products ideal for dry or dewatered holes and can be tailored to suit non-reactive ground types with no water present or static water conditions.

  • Velocity® VLH 1680 and 1690 products should be used in dry holes only to obtain maximum energy output.
  • Velocity® VLH 1660 and 1670 products can be used in both dry holes and holes that had contained static water prior to dewatering.
  • Velocity® VLH 1670 if used in dewatered holes should ideally be fired the same day as loading.
  • Velocity® VLH 1660 if used in dewatered holes should ideally be fired within 48 hours of loading.
  • Velocity® VLH 1660 and 1670 products should not be used in areas where dynamic water is present.

Specification

(Stated at 100MPa)

Properties ANFO Velocity® VLH
Product Identification   VLG 1660 VLG 1670 VLG 1680 VLG 1690
Energy¹ (MJ/kg) 2.31 2.44 2.56 2.61 2.67
Relative Weight Strength¹ 100 105 111 113 115
Relative Bulk Strength¹ 100 118 138 135 144
Normal Density Range² 0.7-0.85 0.85-0.95 0.95-1.08 1.08-1.18 1.18-1.30
Minimum Hole Diameter (mm) 60 100 115 158 179
Water Resistance³ 0 0 0 1 2
Sleeping time in dry holes4 4 weeks 4 weeks 4 weeks 4 weeks 4 weeks
  1. Energy values, Relative Weight Strength and Relative Bulk Strength are calculated using an in-house thermodynamic code. This traditional way of calculating energy is directly related to density and does not take into account the distribution of energy.

  2. A number of factors affect final product density including in-hole conditions, ammonium nitrate density, emulsion density, ammonium nitrate fines.

  3. Water resistance is a qualitative measure with 0 being none, 3 being
    good and 5 being excellent.

  4. Sleep times are dependent on in-hole water conditions and geology. Predicted blast performance will be affected by extended sleep times.

Classification

UN No: Shipping Name: Class:
0241 Explosive, Blasting, Type E 1.1D

Recommendations for Use

Priming Requirements

The minimum primer is a 150gm cast Booster although a 400gm cast Booster is preferred. It is recommended that an additional cast booster be used every 15 metres of column charge to reduce risks associated with explosive column disruption.

Packaging

Velocity® VLH is available in bulk, delivered through bulk truck delivery systems.

Handling

Information regarding this product is available from the relevant Synegex product MSDS.

Transportation

All explosives are classified as Dangerous Goods and must be transported in accordance with relevant State and Commonwealth regulations.

Storage & Security

All explosives are classified as Dangerous Goods and must be stored and secured in accordance with the relevant State and Commonwealth regulations.

 

Warning and Disclaimer:
To the best of Synegex Holdings knowledge the information contained in this data sheet is accurate at the time of issue. The conditions under which this information is used is outside the control of Synegex Holdings and each user should review and is responsible for being aware of the product applications in the specific context of the intended use. Synegex Holdings is not responsible for damages of any nature resulting from the use of or reliance upon the information in this data sheet. To the extent to which Synegex Holdings is able, all conditions, representations and warranties, whether express or implied, not required to be binding by statute are excluded.

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