BlastHi-T™ — Tech Info
Document type: Tech Info
Categories: Packaged Explosives

B l a s t H i -T ™ Technical
 Information
Ammonium Nitrate & Viscous Oil
 Pr o p e r t i e s
 Poured Blow Loaded

Density (g/cm3) 1 0.82 0.95

Min Diameter (mm) 75 25

Energy (MJ/kg) 2 3.7 3.7

Typical VOD (m/s) 3 2500 – 4500 2000 – 4000

De s c r i p t i o n RWS 4 100 100

BlastHi-T is suitable for use in ground with a temperature of 0°C to a RBS 5 100 116
maximum of 55°C and in elevated temperature ground up to 100°C when
used in conjunction with appropriate site specific procedures. For NOTES:
applications in ground with temperatures outside this range, contact your 1. Values are indicative average densities only, determined under laboratory conditions by
Dyno Nobel representative. Dyno Nobel technical personnel at Dyno Nobel’s Mt Thorley Technical Centre. Observed densities may differ or vary under field conditions. Nominal in hole density
BlastHi-T is a nominal 94:6 (wt%) blend of porous ammonium nitrate prill only. (Detaprill®) and viscous mineral oil. It is a dry, free flowing bulk explosive;
 2. AllDyno Nobel energy values are calculated using a proprietary Dyno Nobel
formulated for use in ground with elevated temperatures. thermodynamic code – Prodet. Other programs may give different values. BlastHi-T has zero water resistance and has a wide variety of applications for 3. These results represent a range of VODs collected from numerous Dyno Nobel blast
small, medium and large diameter, dry hole blasting in conditions where elevated sites throughout the Asia Pacific region over a period of time. The velocity of
ground temperatures are encountered.

st
small, medium and large diameter, dry hole blasting in conditions where elevated sites throughout the Asia Pacific region over a period of time. The velocity of
ground temperatures are encountered. detonation actually recorded in use is dependent upon many factors, including: the
 initiation system used, the product density, blast hole diameter and ground
When pneumatically loaded; BlastHi-T may also be used effectively in confinement. The values stated are typical of those recorded for the product in various
underground development and tunnelling applications. hole diameters, densities and ground types, and may not be achievable under all
 circumstances. BlastHi-T provides excellent heave energy compared with explosives that contain
 4. Relative Weight Strength (RWS) and Relative Bulk Strength (RBS) are determined
a high emulsion content. using a density of 0.82g/cm3 and an energy of 3.7MJ/kg for ANFO. The low bulk density of BlastHi-T provides excellent charge distribution throughout 5. RBS depends on the final density of the product at the time of loading. the blast hole.

B l a s t H i -T ™ Technical
 Information
Ammonium Nitrate & Viscous Oil
Re c o m m e n d at i o n s Sa fe h a n d l i n g , t r a n s p o r t at i o n a n d s t o r a g e
Priming Requirements – It is recommended that BlastHi-T should be primed with a First Aid – You can find detailed first aid information on the relevant Dyno Nobel
cast booster for all hole diameters. Depending on the application, BlastHi-T may be Safety Data Sheet. Refer to www.dynonobel.com for more information if
primed with a suitable diameter detonator sensitive cartridge explosive (Powermite®
 required. Pro). For specific priming requirements, please contact your Dyno Nobel representative. Additional boosters should be used when the column height exceeds 10 to 15 meters or Safety - All explosives are classified as dangerous goods and can cause
where there is risk of column disruption. personal injury and damage to property if used incorrectly. Ground Temperature – BlastHi-T is suitable for use in ground with a temperature of
0°C to a maximum of 55°C and in elevated temperature ground up to 100°C when used Transportation and Storage - All explosives must be handled, transported and
in conjunction with appropriate site specific procedures. For applications in ground with stored in accordance with all relevant regulations.

Storage - All explosives must be handled, transported and
in conjunction with appropriate site specific procedures. For applications in ground with stored in accordance with all relevant regulations. Stock should be rotated such
temperatures outside this range, contact your Dyno Nobel representative. that older product is used first. Reactive Ground Conditions – BlastHi-T is not designed for use in conditions where
reactive sulphides are present. Maximum Hole Depth – BlastHi-T can be detonated successfully in depths up to 75m. Remember, the explosive products discussed in this document should only be handled by
 persons with the appropriate technical skills, training and licences. Sleep Time – Under normal conditions in dry and stemmed blast holes, BlastHi-T may While Dyno Nobel has made every effort to ensure the information in this document is
be slept for periods up to six (6) weeks. The sleep time may be limited to the correct, every user is responsible for understanding the safe and correct use of the
recommended sleep time of the initiating system. The presence of water will products. If you need specific technical advice or have any questions, you should contact
dramatically reduce the sleep time. For applications where unusual or specific your Dyno Nobel representative. conditions exist please consult your local Dyno Nobel representative for advice.

contact
dramatically reduce the sleep time. For applications where unusual or specific your Dyno Nobel representative. conditions exist please consult your local Dyno Nobel representative for advice. This information is provided without any warranty, express or implied, regarding its
Shelf Life – BlastHi-T has a maximum shelf life of six (6) months dependent on correctness or accuracy and, to the maximum extent permitted by law, Dyno Nobel
temperature and humidity conditions. Storage in a high humidity and high temperature expressly disclaims any and all liability arising from the use of this document or the
environment will accelerate product breakdown and should be avoided. Signs of information contained herein. It is solely the responsibility of the user to make enquiries,
BlastHi-T degradation are hardening or caking which can lead to difficulty in loading and obtain advice and determine the safe conditions for use of the products referred to herein
as a result, may lead to poor blasting performance. and the user assumes liability for any loss, damage, expense or cost resulting from such
Packaging – BlastHi-T is available in packaged form. Bags sizes available – 10kg, use. 20kg, 25kg and 500kg.

e. and the user assumes liability for any loss, damage, expense or cost resulting from such
Packaging – BlastHi-T is available in packaged form. Bags sizes available – 10kg, use. 20kg, 25kg and 500kg. Dyno Nobel Asia Pacific Pty Limited (ACN 003 269 010) is a subsidiary of Incitec Pivot
All bags are delivered on 1 tonne product only weight pallets – 2x 500kg, 100x 10kg, 50x Limited (ACN 004 080 264) Level 8, 28 Freshwater Place, Southbank Vic 3006. 20kg or 40x 25kg plastic bags per pallet. ® DYNO, GROUNDBREAKING PERFORMANCE, DETAPRILL and POWERMITE are
 registered trademarks of the Dyno Nobel / Incitec Pivot Group. Da n g e r o u s Go o d s Cl a s s i f i c at i o n ™BLASTHI-T is a trademark of the Dyno Nobel / Incitec Pivot Group. Product Name: BlastHi-T © Dyno Nobel Asia Pacific Pty Limited. 2012 Reproduction without permission strictly
 prohibited. Correct Shipping Name: Explosive, Blasting, Type E
 March 2012
UN Number: 0082
 VERSION 4
DG Class: 1.1D