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    Streamline Envirocone blast-hole plug: design and use notes for drill engineers

    July 3, 2026|

    Reviewed by Tom Sullivan

    Streamline Envirocone blast-hole plug: design and use notes for drill engineers

    First reported on Australian Mining

    30 Second Briefing

    Streamline Blast Solutions has introduced the biodegradable Envirocone blast-hole plug, designed to maintain blasthole integrity to detonation while replacing conventional plastic cones that often fail under water or stemming pressure. The single-piece unit is installed with the primer and detonator, eliminating separate plug handling and reducing manual lifting at the collar, and is formulated to break down after firing rather than leaving plastic fragments in the muckpile. For drill-and-blast engineers, the system targets reduced hole collapse, fewer redrills and lower clean-up costs without changing existing explosive loading practices.

    Technical Brief

    • Envirocone is moulded as a single-piece plug, avoiding multi-part assemblies that can separate under load.
    • Installed downhole with the primer, it removes a separate collar-stage plug placement step.
    • Streamline Blast Solutions targets wet or highly fractured ground where conventional plastic cones frequently wash out.
    • Biodegradable formulation is engineered to fragment and decompose within the muckpile post-detonation.
    • Reduced residual plastic in broken rock simplifies dig–load–haul operations and downstream crusher clean-up.
    • Less manual handling at the collar directly cuts repetitive lifting and working-at-height exposure for offsiders.
    • Fewer redrills from collapsed holes translate into lower drill-hour consumption and reduced explosive rework.
    • Similar integrated, sacrificial plug concepts could be adapted for underground upholes and perimeter control holes.

    Our Take

    With blasting framed against a 400‑year operating history, Streamline Blast Solutions is entering a space where incremental safety and emissions gains can have outsized impact across Australia’s mature hard‑rock operations.

    Australian Mining’s recent ESG technology feature (1 June 2026) shows operators embedding real‑time environmental data into planning; cleaner blasting solutions are likely to be folded into the same ESG reporting and approvals workflows rather than treated as standalone add‑ons.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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