Varistem® is an engineered blast stemming plug for mining, quarrying and civil blasting applications. The plugs contain blast energy for longer, resulting in a range of benefits depending on how it is incorporated into your blast design. The Varistem® blast stemming plugs are manufactured in a range of different sizes, catering for blasthole diameters from 1.75” to 10”.
$227.52
Proudly made in the USA
Varistem helped a coal mine minimise fyrock, noise and airblast, leading to improved retention of blast energy.
A coal mine saw a vast refinement in cast gain in a split blast test, showing Varistem's effectiveness.
Varistem plugs improved fragmentation, loading, haul cycle times, and crusher throughput.
A manganese mine saw huge gains in both lumpy and low grade manganese, from Varistem.
An iron ore mine saw a reduction in waste blasts by using Varistem, saving millions each year.
A metalliferous mine saw the immediate impact of Varistem with improved fragmentation.
Construction
Quarries
Mines
